Bose Music Amplifier - Speaker Amp with Bluetooth & Wi-Fi Manual

WHAT'S IN THE BOX

CONTENTS

Confirm that the following parts are included:

* May ship with multiple power cords. Use the power cord for your region.

NOTE: If part of the amplifier is damaged, don't use it. Contact your authorized Bose dealer or Bose customer service.

Visit: support.Bose.com/BMA

AMPLIFIER PLACEMENT

RECOMMENDATIONS

• Install the amplifier indoors.
• Make sure there is an AC (mains) outlet nearby.
• To avoid interference, keep other wireless equipment 1 – 3 ft (0.3 – 0.9 m) away from the amplifier.
• For optimum performance, place the amplifier in a well-ventilated area.
• Place the amplifier on a shelf, or mount it on a rack or wall.
• When mounting on a rack, make sure the rack mount arrow and four tabs are facing the front of the rack.
• When mounting multiple amplifiers on a rack, use a separate rack mount for each amplifier.
• When mounting on a wall, make sure the wall mount arrow and four tabs are facing up.

• Place the amplifier in an area where the maximum ambient temperature is less than 104°F (40°C).
• Keep the back side of the amplifier at least 3 – 6 in (7.62 – 15.24 cm) away from any other surface. Do not block airflow from the back of the amplifier.
• Do NOT place the amplifier in a completely enclosed area. Doing so may result in poor performance.

SPEAKER CONNECTION GUIDELINES

• One pair of speakers requires 4 ohm minimum each.
• Two pairs of speakers require 8 ohm minimum each.

Use only unpowered speakers. Do NOT connect any make or model of powered speakers. Doing so may cause damage to the equipment.

SPEAKER WIRE LENGTH RECOMMENDATIONS

MAXIMUM LENGTH	GAUGE
30 ft (9 m)	18 (0.82 mm2)
45 ft (14 m)	16 (1.3 mm2)
70 ft (21 m)	14 (2.0 mm2)

CONNECT SPEAKERS

Before connecting your speakers, place your speakers in their permanent location and make sure the amplifier is unplugged from an AC (mains) power outlet.

Speaker wires consist of two insulated wires:

• The marked wire (stripes, ribbing, or color) connects to the positive (+) terminal.
• The plain wire connects to the negative (–) terminal.
  1. Remove terminal block A from the SPEAKERS OUT port.
     
  2. Connect the speaker wires to terminal block A.
     1. Insert the left speaker's marked wire into the L + positive terminal and the plain wire into the L - negative terminal.
     2. Insert the right speaker's marked wire into the R + positive terminal and the plain wire into the R - negative terminal.
        
  3. Using a small, flat-head screwdriver, tighten the screws on the terminals clockwise to secure the wires.
     
  4. Reinsert terminal block A into the SPEAKERS OUT port.
     
  5. Connect the other end of the speaker wires to your speakers.
     For instructions, refer to the online owner's guide for your speaker.

NOTE: Use a silicone caulking material such as RTV adhesive (available at your local hardware store) to protect the wiring at any outdoor speaker connections.

Connect additional speakers

You can connect up to two pairs of speakers to the amplifier for fuller sound.

To connect a second pair of speakers, repeat steps in "Connect Speakers", using terminal block B.

NOTE: For best sound quality and balanced volume, when connecting two pairs of speakers, they should be the same speaker model since the same EQ setting will be applied to both pairs of speakers.

POWER

CONNECT THE AMPLIFIER TO POWER

1. Connect the power cord to the POWER port on the back of the amplifier.
2. Plug the other end of the power cord into an AC (mains) power outlet.

The light on the back of the amplifier slowly blinks amber.

NOTES:

• If the amplifier has been set up and is set to Main (default), the light on the back of the amplifier glows solid white.
• If the amplifier has been set up and is set to Supplemental, the light on the back of the amplifier glows solid green.

NETWORK STANDBY

The amplifier transitions to network standby when audio has stopped and you have not pressed any buttons for 20 minutes. To wake the amplifier from network standby, play or resume audio using the Bose Music app on your mobile device or reconnect a Bluetooth source.

BOSE MUSIC APP SETUP

The Bose Music app lets you set up and control the Main amplifier from any mobile device, such as a smartphone or tablet.

Using the app, you can stream music, add music services, explore internet radio stations, set and change presets, work with your voice assistant, manage Main amplifier settings, and get updates and new features.

NOTE: If you have already created a Bose Music account for another Bose product, add the amplifier to your existing account.

DOWNLOAD THE BOSE MUSIC APP

1. On your mobile device, download the Bose Music app.
   
   
   
   
   
2. Follow the app instructions to set up the amplifier.

EXISTING BOSE MUSIC APP USERS

ADD THE MAIN AMPLIFIER TO AN EXISTING ACCOUNT

To add your Bose Music Amplifier, open the Bose Music app and add your amplifier.

NOTES:

• You can only add a Main amplifier using the Bose Music app. Supplemental amplifiers don't display on your network or in the Bose Music app.
• To play the same audio on multiple speakers simultaneously, you can group Main amplifiers together using the Bose Music app. You can access this option from the main page. For more information, visit: support.Bose.com/BMAGrouping

CONNECT TO A DIFFERENT WI-FI NETWORK

Connect to a different network if your network name or password has changed, or if you want to change or add another network.

1. Press and hold the Reset button for 5 seconds until the light on the back of the amplifier slowly blinks amber.
   
2. On your mobile device, open your Wi-Fi settings.
3. Select Bose Music Amplifier.
4. Open the Bose Music app and follow the app instructions.

MAIN AND SUPPLEMENTAL AMPLIFIERS

The amplifier can power up to two pairs of speakers. It can be set as the Main amplifier (default) or as a Supplemental amplifier.

The Main amplifier connects to your network using a Wi-Fi connection or Ethernet cable (not provided). It can be controlled using the Bose Music app, your mobile device, or your voice assistant-enabled device connected to your network.

A Supplemental amplifier connects to the Main amplifier using an RCA audio cable and receives audio output from the Main amplifier. Supplemental amplifiers play the same audio as the Main amplifier, but don't display on your network, the Bose Music app, or your mobile device and can only play audio from the LINE IN port.

You can connect up to four Supplemental amplifiers to the Main amplifier for best sound quality. The amplifiers can be configured depending on the location or size of your environment, how many speakers you want to power, or where you want your audio to play.

NOTES:

• For best sound quality and balanced volume, when connecting a Supplemental amplifier to the Main amplifier, you should use the same speaker model and number of speakers per amplifier.
• Depending on your environment, it's possible to connect more than four Supplemental amplifiers to the Main amplifier without affecting performance.

USE CASE 1

Control up to two pairs of speakers in the same space, where the speakers play the same audio with little to no delay.

USE CASE 2

Control multiple pairs of speakers in a larger space, where all speakers power on and off simultaneously and play the same audio with little to no delay.

USE CASE 3

Control multiple systems (amplifier and speakers) independently, where each system plays different audio.

NOTES:

• Main amplifiers can also be connected to your network using an Ethernet cable.
• For best sound quality and balanced volume, when connecting multiple pairs of speakers, they should be the same speaker model since the same EQ setting will be applied to the speakers.
• To play the same audio on all speakers simultaneously, for best sound quality group the Main amplifiers together using the Bose Music app. You can access this option from the main page. For more information, visit: support.Bose.com/BMAGrouping

CONNECT THE MAIN AMPLIFIER

You connect the Main amplifier to your network using the Bose Music app or an Ethernet cable (not provided).

CONNECT USING THE BOSE MUSIC APP

To connect the Main amplifier to your network using the Bose Music app.

CONNECT USING AN ETHERNET CABLE

NOTE: If you connect to your network using an Ethernet cable without finishing setup using the Bose Music app, you will only be able to play audio from a Bluetooth source.

1. On your router, connect one end of an Ethernet cable to an Ethernet port.
2. On the Main amplifier, connect the other end of the cable to an Ethernet port.
   

Connect an additional Main amplifier

You can connect an additional Main amplifier directly to the router (see "Connect using an Ethernet cable") or directly to the initial Main amplifier.

1. On the Main amplifier, connect one end of an Ethernet cable to an Ethernet port.
2. On the additional Main amplifier, connect the other end of the cable to an Ethernet port.
   

CONNECT A SUPPLEMENTAL AMPLIFIER

You connect a Supplemental amplifier to the Main amplifier or to another Supplemental amplifier using an RCA audio cable (not provided).

NOTE: You can connect up to four Supplemental amplifiers to the Main amplifier for best sound quality. Depending on your environment, it's possible to connect additional amplifiers without affecting performance.

CONNECT TO THE MAIN AMPLIFIER

1. On the Main amplifier, connect the audio cable's white connector to the white LINE OUT port and the red connector to the red LINE OUT port.
2. On the Supplemental amplifier, connect the other white connector to the white LINE IN port and the red connector to the LINE IN port.
   

Connect an additional Supplemental amplifier

1. On the Supplemental amplifier, connect the audio cable's white connector to the white LINE OUT port and the red connector to the red LINE OUT port.
2. On the additional Supplemental amplifier, connect the other white connector to the white LINE IN port and the red connector to the LINE IN port.
   

AMPLIFIER PORTS

PORT	DESCRIPTION
POWER	Applies power when the AC power cord is inserted into the port and then plugged into an AC (mains) outlet.
	Enables you to connect the Main amplifier to your network or to connect multiple Main amplifiers together using an Ethernet cable (not provided).
LINE OUT LINE IN	Enables you to connect a Supplemental amplifier or an external source using a RCA audio cable (not provided).
BASS	Enables you to connect a Bose Bass Module using a 3.5 mm stereo audio cable (not provided).
OPTICAL IN	Enables you to play digital audio from an external source using an optical cable (not provided).
SERVICE	USB Type-C® port for service.
SPEAKERS OUT	Enables you to connect up to two pairs of speakers.

AMPLIFIER AND SPEAKER SETTINGS

AMPLIFIER SETTINGS

The ADVANCED SETTING switches are configured depending on how you want to hear your audio. To configure the amplifier, flip the appropriate ADVANCED SETTING switch(es) down.

MODE	SWITCH	POSITION	DESCRIPTION
Main	A – Up		Set the amplifier to Main. NOTE: Main amplifiers can be connected to your network using the Bose Music app or an Ethernet cable (not provided).
Supplemental	A – Down		Set the amplifier to Supplemental. NOTES: Supplemental amplifiers connect to the Main amplifier (or another Supplemental amplifier) using an RCA audio cable and play audio from the Main amplifier on the LINE IN port. Supplemental amplifiers can't connect to your network and don't display in the Bose Music app.
N/A	B		Reserved for future use.
Stereo	C – Up		Set the audio output to Stereo.
Mono	C – Down		Set the audio output to Mono. NOTE: Mono is best when speakers are far apart.
Line out: variable volume	D – Up		Control the volume using the Bose Music app. NOTE: This setting applies to the Main amplifier LINE OUT audio and is heard through the Supplemental amplifier.
Line out: fixed volume	D – Down		Control the volume using the connected device with volume control. NOTES: When the volume is fixed, you can't control the volume using the Bose Music app. This setting applies to the Main amplifier.

NOTES:

• The default position for all switches is up.
• Each switch can be configured independently.
• If an ADVANCED SETTING switch is flipped while the amplifier is powered on, the amplifier will reset.

SPEAKER SETTINGS

You can apply a customized EQ setting to the Bose 251 Environmental Speakers or Bose Virtually Invisible 791 speakers. For all other speakers, the default EQ setting is used.

To apply the customized EQ setting to your Bose 251 Environmental Speakers or Bose Virtually Invisible 791 speakers, flip the appropriate SPEAKER SETTING switch down. To apply the default EQ setting to all other speakers, leave all switches up.

PRODUCT	SWITCH			POSITION
Bose 251 Environmental Speakers	1 – Down	2 – Up	3 – Up
Bose Virtually Invisible 791 speakers	1 – Up	2 – Down	3 – Up
All other speakers	1 – Up	2 – Up	3 – Up

NOTE:

• The default position for all switches is up.
• If any combination other than what is shown in the table above is used, the default EQ setting is used.

WORK WITH YOUR VOICE ASSISTANT

GOOGLE ASSISTANT

The amplifier is compatible with a Google Assistant-enabled device connected to your network. Control the amplifier using just your voice with Google.

Start with saying "Hey Google," then say your request on <amplifier name>. For example, try playing your favorite music. Just say "Hey Google, play My Workout playlist on Family Room."

NOTES:

• Make sure you say the amplifier name you assigned in the Bose Music app. If multiple amplifiers have the same name, use the name assigned in the Google Assistant app or change the name in the Bose Music app.
• Google Assistant isn't available in all languages and countries.
• For more information on what Google Assistant can do, visit: https://support.google.com/assistant

AMAZON ALEXA

If you have a separate device with Alexa Built-In connected to your network, you can control the amplifier from that device with voice commands. To set up voice control, enable the skill and link your Alexa account to your Bose account. Then just ask Alexa to play music.

Start with "Alexa," then say your request on <amplifier name>. For example, try playing your favorite music. Just say, "Alexa, play My Workout playlist on Family Room."

NOTES:

• Make sure you say the amplifier name you assigned in the Bose Music app. If multiple amplifiers have the same name, use the name assigned in the Alexa app or change the name in the Bose Music app.
• Alexa isn't available in all languages and countries.
• For more information about what Alexa can do, visit: https://www.amazon.com/usealexa

STREAM AUDIO WITH CHROMECAST

The amplifier comes with Chromecast built-in. With Chromecast built-in, you can stream audio from supported apps by simply tapping the Cast button.

NOTES:

• To use Chromecast built-in, you must have a Wi-Fi connection.
• Support for new apps is added periodically.

Your phone is your remote

• Simply tap the Cast button from apps you already know and love. No new logins or downloads required.
• Use your phone to search, play, pause, and turn up the volume from anywhere in the home.
• While you're streaming, you can keep using your phone for other things – scroll through social media, send a text, and even accept calls.
• Enjoy music throughout your house when you use multi-room casting with Chromecast-enabled amplifiers.

Unlimited entertainment, all on your schedule

Choose from millions of songs from popular music services like Pandora, Spotify, and TuneIn.
To enable Chromecast built-in, use the Bose Music app. You can access this option from the Settings menu.

STREAM AUDIO WITH AIRPLAY

The amplifier is capable of playing AirPlay 2 audio, which allows you to quickly stream audio from your Apple device to the amplifier.

NOTES:

• To use AirPlay 2, you need an Apple device running iOS 11.4 or later.
• Your Apple device and amplifier must be connected to the same Wi-Fi network.
• For more information about AirPlay, visit: https://www.apple.com/airplay

STREAM AUDIO FROM THE CONTROL CENTER

1. On your Apple device, open the Control Center.
2. Tap and hold the audio card in the top-right corner of the screen, then tap the AirPlay icon .
3. Select your amplifier.

STREAM AUDIO FROM AN APP

1. Open a music app (like Apple Music), and select a track to play.
2. Tap .
3. Select your amplifier.

PRESET PERSONALIZATION

You can personalize six presets to your favorite streaming music services, stations, playlists, artists, albums, or songs from your music library. You can access your music, at any time, with a simple touch of a button in the Bose Music app.

NOTE: You can't set presets when your source is a Bluetooth connection.

SET A PRESET

1. Stream music using the app.
2. While the music is playing, press and hold a preset in the app.

PLAY A PRESET

Once you personalize your presets, press a preset in the Bose Music app.

BLUETOOTH CONNECTIONS

CONNECT YOUR MOBILE DEVICE

1. Press the Bluetooth button l on the front of the Main amplifier.
   
   The light on the front of the amplifier slowly blinks blue.
2. On your mobile device, turn on the Bluetooth feature.
   NOTE: The Bluetooth menu is usually found in the Settings menu.
3. Select your amplifier from the device list.
   NOTE: Look for the name you entered for your amplifier in the Bose Music app. If you didn't name your amplifier, the default name appears.
   
   Once connected, the light on the front of the amplifier glows solid blue then fades to black. The amplifier's name appears in the mobile device list.

DISCONNECT A MOBILE DEVICE

Use the Bose Music app to disconnect your mobile device.

TIP: You can also use Bluetooth settings on your mobile device. Disabling the Bluetooth feature disconnects all other devices.

RECONNECT A MOBILE DEVICE

Press the Bluetooth button .
The amplifier tries to connect with the most recently-connected devices.

NOTES:

• Make sure the Bluetooth feature is enabled on your mobile device.
• The device must be within 30 ft (9 m) and powered on.

CONNECT AN ADDITIONAL MOBILE DEVICE

You can store up to eight devices in the amplifier device list.

NOTE: You can play audio from only one device at a time.

1. Press and hold until the light on the front of the amplifier slowly blinks blue.
2. On your mobile device, select your amplifier from the device list.

NOTE: Make sure the Bluetooth feature is enabled on your mobile device.

CLEAR THE AMPLIFIER DEVICE LIST

1. Press and hold for 10 seconds until the light on the front of the amplifier blinks blue 3 times.
2. Delete the amplifier from the Bluetooth list on your device.

All devices are cleared. The amplifier is ready to connect.

AMPLIFIER STATUS

BLUETOOTH AND ERROR STATUS

The light on the front of the amplifier shows the Bluetooth connection status of a mobile device and error alerts.

LIGHT ACTIVITY	SYSTEM STATE
Slowly blinking blue	Ready to connect to mobile device
Blinking blue	Connecting to mobile device
Solid blue then fades to black	Connected to mobile device
Blinks blue 3 times	Cleared device list
Blinks blue and red for 3 seconds	Bluetooth connection is disabled (Supplemental)
Solid red	Critical error (hardware) – contact Bose customer service NOTE: The lights on the front and the back of the amplifier glow solid red simultaneously.

The light on the back of the amplifier shows Wi-Fi, power, and system status.

WI-FI AND POWER STATUS

Main amplifier

Shows the Wi-Fi and power status of a Main amplifier.

LIGHT ACTIVITY	SYSTEM STATE
Slowly blinking white	Powering on
Solid white	Powered on
Slowly blinking amber	Ready for Wi-Fi setup
Solid amber	Wi-Fi setup in progress
Slowly blinking white	Connecting to Wi-Fi
Solid white	Connected to Wi-Fi

Supplemental amplifier

Shows the power status of a Supplemental amplifier.

LIGHT ACTIVITY	SYSTEM STATE
Slowly blinking green	Powering on
Solid green	Powered on

UPDATE, RESET, AND ERROR STATUS

Shows the status of software updates, resets, and error alerts.

LIGHT ACTIVITY	SYSTEM STATE
Blinking white	Installing update
Solid white	Update complete
Blinks red 3 times	Reset complete
Solid amber	Wi-Fi error (Main) – contact Bose customer service
Blinks amber 4 times	Non-critical error (network connection error or source error)
Solid red	Critical error (hardware) – contact Bose customer service NOTE: The lights on the front and the back of the amplifier glow solid red simultaneously.

ADVANCED FEATURES

DISABLE/ENABLE WI-FI CAPABILITY

Insert a thin paperclip into the hole on the back of the amplifier and press and hold for 2 seconds until the light on the back of the amplifier blinks white 3 times.

NOTE: Disabling/enabling Wi-Fi capability also disables/enables the Bluetooth feature.

OVERLOAD PROTECTION

The amplifier's overload protection feature automatically reduces maximum power output to prevent the amplifier from getting too hot. This may occur when the amplifier plays at high volume for a long duration or if it is installed in a location with limited ventilation. Full maximum output automatically returns as the amplifier cools down.

CONNECT BOSE PRODUCTS

CONNECT A BOSE BASS MODULE

You can connect your Bose Bass Module to the amplifier using a 3.5 mm stereo audio cable (not provided).

NOTES:

• The 3.5 mm audio cable must be stereo and shielded.
• If you don't have a 3.5 mm audio cable, visit Bose.com/BM500 or Bose.com/BM700 to purchase a 15 ft (4.5 m) cable. You can also purchase this part at your local electronics store.
  1. On the amplifier, connect one end of a 3.5 mm audio cable to the BASS port.
  2. Connect the other end of the cable to the BASS IN port on the bass module.
     

NOTE: For more information about your bass module, refer to your bass module owner's guide. Visit:

Bose Bass Module 700: Bose.com/BM700

Bose Bass Module 500: Bose.com/BM500

CONNECT A BOSE SOUNDLINK BLUETOOTH SPEAKER OR BOSE HEADPHONES USING SIMPLESYNC™ TECHNOLOGY

With Bose SimpleSync™ technology, you can connect certain Bose SoundLink Bluetooth speakers or Bose headphones to the amplifier for a new way to hear your music and movies.

Benefits

A personal listening experience: Listen to your TV or music without disturbing others by connecting your Bose headphones to the amplifier. Use independent volume controls on each product to lower or mute the amplifier while keeping your headphones as loud as you like.

Another room of audio: Listen to the same song in two different rooms at the same time by connecting your Bose SoundLink Bluetooth speaker to the amplifier.

NOTES:

• SimpleSync™ technology has a Bluetooth range of up to 30 ft (9 m). Walls and construction materials can affect reception. Depending on your environment, the range may be higher.
• You can't stream audio using a Bluetooth source when using SimpleSync™ technology.

Compatible products

You can connect most Bose SoundLink Bluetooth speakers to the amplifier, as well as Bose headphones.

Popular compatible products include:

• Bose SoundLink Revolve+ Bluetooth speaker
• Bose SoundLink Mini Bluetooth speaker
• Bose SoundLink Color Bluetooth speaker
• Bose Noise Cancelling Headphones 700
• Bose QuietComfort 35 wireless headphones

New products are added periodically. For a complete list and more information, visit: worldwide.Bose.com/Support/Groups

Connect using the Bose Music app

To connect your Bose SoundLink Bluetooth speaker or Bose headphones to the amplifier, use the Bose Music app. For more information, visit: worldwide.Bose.com/Support/Groups

NOTES:

• Make sure that the product you're connecting is powered on, within 30 ft (9 m) of the amplifier, and ready to connect to another device. For more information, refer to your product owner's guide.
• You can connect only one product at a time to the amplifier.

RECONNECT A BOSE SOUNDLINK BLUETOOTH SPEAKER OR BOSE HEADPHONES

Power on your Bose SoundLink Bluetooth speaker or Bose headphones.
Your speaker or headphones try to connect to the most recently-connected Bluetooth device, including the amplifier.

NOTES:

• The amplifier must be within range (30 ft or 9 m) and powered on.
• If your speaker doesn't connect, see "Amplifier doesn't reconnect to a previously-connected Bose SoundLink Bluetooth speaker".
• If your headphones don't connect, see "Amplifier doesn't reconnect to previously-connected Bose headphones".

CARE AND MAINTENANCE

UPDATE THE AMPLIFIER

Main amplifier

The Main amplifier updates automatically when connected to the Bose Music app and your Wi-Fi network.

Supplemental amplifier

1. Flip switch A up to set it to a Main amplifier.
2. Add the amplifier to the Bose Music app.
   The amplifier updates automatically. When the update is complete, the light on the back of the amplifier glows solid white.
3. Flip switch A down to revert it back to a Supplemental amplifier.

CLEAN THE AMPLIFIER

Clean the surface of the amplifier with a soft, dry cloth.
Use a brush attachment on a vacuum cleaner to clean the hard-to-reach areas.

• Disconnect the power cord from the AC (mains) power outlet before cleaning.
• Do NOT use any sprays near the amplifier. Do not use any solvents, chemicals, or cleaning solutions containing alcohol, ammonia or abrasives.
• Do NOT allow liquids to spill into any openings.

REPLACEMENT PARTS AND ACCESSORIES

Replacement parts and accessories can be ordered through Bose customer service.
Visit: support.Bose.com/BMA

LIMITED WARRANTY

The amplifier is covered by a limited warranty. Visit our website at worldwide.Bose.com/Warranty for details of the limited warranty.
To register your product, visit worldwide.Bose.com/ProductRegistration for instructions. Failure to register will not affect your limited warranty rights.

TECHNICAL INFORMATION

SPECIFICATION	VALUE
Dimensions (approximate)	8 1⁄4" wide x 8 1⁄4" deep x 2 9⁄10" high (21 cm x 21 cm x 7.3 cm)
Weight (amplifier only)	4.8 lbs (2186g)
Power rating	100-240V 50/60 Hz, 240W
Input sensitivity	RCA inputs: 2Vrms
Signal to Noise ratio (S/N)	>100 dB
Output power (continuous average)	125W / channel minimum into 8 ohms, from 20 Hz to 20 kHz, with no more than 0.1% THD
Temperature range	32°F to 95°F (0°C to 35°C) NOTE: Depending on your environment, it's possible to operate outside of the recommended temperature range without affecting performance.

TROUBLESHOOTING

TRY THESE SOLUTIONS FIRST

If you experience problems with the amplifier:

• Make sure the amplifier is connected to a live AC (mains) outlet.
• Secure all cables and speaker wires.
• Check the state of the amplifier.
• Move the amplifier and mobile device away from possible interference (wireless routers, cordless phones, televisions, microwaves, etc.).
• Move the amplifier within the recommended range of your wireless router or mobile device for proper operation.
• Refer to your speaker owner's guide.

OTHER SOLUTIONS

If you could not resolve your issue, see the table below to identify symptoms and solutions to common problems. If you're unable to resolve your issue, contact Bose customer service.

Visit: worldwide.Bose.com/contact

SYMPTOM	SOLUTION
Can't complete network setup	Make sure the amplifier is set to Main. Select correct network name and enter password. Connect your mobile device and amplifier to the same Wi-Fi network. Enable Wi-Fi on the mobile device you're using for setup. Change the default browser on your mobile device. Close other open applications. Restart your mobile device and your router. Place the amplifier within range of the router. Reset the amplifier. If your router supports both 2.4GHz and 5GHz bands, make sure both the mobile device and amplifier are connecting to the same band. Uninstall the Bose Music app, reset the amplifier, and restart setup.
Can't connect to network	Make sure the amplifier is set to Main. If the amplifier set to Main and a device is connected to an Ethernet port, make sure it's another Bose Music Amplifier. In the Bose Music app, select the correct network name, and enter the network password (case-sensitive). Make sure the amplifier and your mobile device are connected to the same Wi-Fi network. Enable Wi-Fi on the mobile device you're using for setup. Close other open applications on your mobile device. If multiple amplifiers are connected by cable, reduce the number connected. Connect the Main amplifier to the network using an Ethernet cable. If connected to your network using an Ethernet cable: Check the cable. Use a different Ethernet cable. If your network information has changed, see STREAM AUDIO WITH AIRPLAY. Restart your mobile device and router. If your router supports both 2.4GHz and 5GHz bands, make sure both the device (mobile or computer) and amplifier are connecting to the same band. NOTE: Give each band a unique name to make sure you're connecting to the correct band. Reset the router. If connecting to a different network and the app doesn't prompt you for setup, go to the main screen and add the amplifier.
Bose Music app doesn't work on mobile device	Make sure your mobile device is compatible with the Bose Music app and meets minimum system requirements. For more information, refer to the app store on your mobile device. Uninstall the Bose Music app on your mobile device then reinstall the app.
Poor or distorted audio	If two pairs of speakers are connected, use the same speaker model. Make sure the speakers are compatible: one pair of speakers requires 4 ohm minimum each, and two pairs of speakers require 8 ohm minimum each. Use the Bose Music app to group the Main amplifiers. If the amplifier is connected to an external source using an RCA audio cable or optical cable, make sure it's set up using the Bose Music app. If connected using an Ethernet cable or RCA audio cable: Reduce the number of amplifiers connected. Check the Ethernet cable or RCA audio cable. Use a different Ethernet cable or RCA audio cable.
Intermittent or no audio	If the amplifier is set to Main and a device is connected to the Ethernet port, make sure it's another Bose Music Amplifier. Firmly insert the speaker wires into the terminals on the back of the speakers and on the amplifier's connector panel. Confirm that no individual wires are touching across terminals. Make sure the external music source is firmly connected to either the analog (red and white) or optical inputs. Stop other audio or video streaming applications. Unmute or increase the volume on the amplifier and mobile device. Unplug the power cord; reconnect after 1 minute. Restart your mobile device and router. Make sure volume isn't muted or too low.
Interference (corrupted audio)	Keep the amplifier away from metal objects, other audio/video components, and direct heat sources. Change the router channel or band. Refer to your router owner's guide. Connect the Main amplifier using an Ethernet cable.
Speakers don't play	Make sure the speaker wires are connected properly. Disconnect AC power from the amplifier for 3 minutes. Reconnect power to the amplifier. Play content using the Bose Music app.
One speaker doesn't play	Make sure the speaker wires are in good condition. Disconnect the wire from the working speaker and attach it to the non-working speaker. If the speaker doesn't play, the problem may be with the speaker and not the speaker wire. Disconnect the speaker wire from the terminal block connector. Connect it to the other terminal block connector. If the speaker plays, the problem may be the other speaker wire. Replace the speaker wire. If the speaker doesn't play, the problem may be in that channel of the amplifier.
Right and left stereo channels are heard on the wrong speakers	Make sure the speaker wires are connected properly. Make sure that the red and white analog cables are properly connected, red to red and white to white on the amplifier and on the external music source.
Bass or treble is weak	Make sure the speaker wires are connected properly. If they aren't, they could be playing out of phase. Make sure the speakers are compatible: one pair of speakers requires 4 ohm minimum each, and two pairs of speakers require 8 ohm minimum each. Make sure the amplifier software is up-to-date in the Bose Music app. Adjust the bass or treble level using the Bose Music app.
Can't connect with your mobile device using a Bluetooth connection	Make sure the amplifier is set to Main.
Can't play Bluetooth audio	On your mobile device, turn the Bluetooth feature off and then on. Delete the amplifier from the Bluetooth list. Connect again. Make sure you're using a compatible Bluetooth mobile device. Make sure you're within 30 ft of the amplifier, and there are no large metal obstructions in the way. Delete the amplifier from your mobile device Bluetooth list. Connect again. Set up the Bose Music app first and perform all updates. Connect a different mobile device. Clear the amplifier's device list. Connect again.
Can't stream audio using AirPlay	Make sure the amplifier is powered on and in range. Make sure your Apple device and the amplifier are connected to the same Wi-Fi network. Update your Apple device. Make sure the amplifier is up-to-date. If you can't find the AirPlay icon in the music app you're streaming from, stream audio from the Control Center. For additional support, visit: https://www.apple.com/airplay
Google Assistant doesn't respond	Make sure you have a Google Assistant-enabled device connected to your network. Make sure Google Assistant has been set up using the Bose Music app. NOTE: The amplifier must be set up and connected to your Wi-Fi network using the Bose Music app. Connect your mobile device to Wi-Fi. Make sure you're in a country where Google Assistant is available. Make sure you're using the most up-to-date version of the Google Assistant app. Make sure your mobile device is compatible. Make sure you say the name you assigned in the Bose Music app. Make sure you use the same audio service account on the Bose Music app and Google Assistant app. For additional support, visit: https://support.google.com/assistant
Alexa doesn't respond	Make sure you're speaking to a separate device with Alexa Built-In connected to your network. Make sure Alexa has been set up using the Bose Music app. NOTE: The amplifier must be set up and connected to your Wi-Fi network using the Bose Music app. Connect your mobile device to Wi-Fi. Make sure you're in a country where Amazon Alexa is available. Make sure you're using the most up-to-date version of the Alexa app. Make sure your mobile device is compatible. Make sure you say the name you assigned in the Bose Music app. For additional support, visit: https://www.amazon.com/usealexa
Amplifier doesn't connect to a Bose SoundLink Bluetooth speaker or Bose headphones	Make sure that your speaker or headphones are powered on, within 30 ft (9 m) of the amplifier, and ready to connect to another device. For more information, refer to your product owner's guide. Disconnect your speaker or headphones from other connected devices.
Amplifier doesn't reconnect to a previously- connected Bose SoundLink Bluetooth speaker	On your speaker, use the product controls to cycle through the product device list until you hear the name for the amplifier. For product-specific instructions, refer to your speaker owner's guide. Disconnect your speaker or headphones from other connected devices.
Amplifier doesn't reconnect to previously- connected Bose headphones	Connect using the Bose Music app. You can access this option from the Settings menu. Disconnect your speaker or headphones from other connected devices.
Delayed audio from a connected Bose SoundLink Bluetooth speaker or Bose headphones	Not all Bose SoundLink Bluetooth speakers or headphones can play audio in perfect sync when connected to the amplifier. To check if your product is compatible, visit: worldwide.Bose.com/Support/Groups Install any available software updates for your speaker or headphones. To check for updates, open the appropriate Bose app for your product on your mobile device or visit btu.Bose.com on your computer.

RESET THE AMPLIFIER

Press the RESET button to reset the amplifier.

NOTE: Resetting the amplifier doesn't affect ADVANCED SETTING configurations, SPEAKER SETTING configuration, or network settings.

RESTORE THE AMPLIFIER TO FACTORY DEFAULT

Restoring the amplifier clears all source, volume, and network settings from the amplifier and returns it to original factory settings.

Insert a thin paperclip into the hole in the back of the amplifier and press and hold for 10 seconds until the light on the back of the amplifier blinks red 3 times.

When the restore is complete, the light on the back of the amplifier slowly blinks amber.

NOTE: Restoring the amplifier doesn't affect ADVANCED SETTING configurations or SPEAKER SETTING configuration.

RACK MOUNTING

You can mount the amplifier on a rack (left or right side) using the mounting bracket, rack bracket, and hardware provided.

• Only use mounting bracket, rack bracket, and hardware provided with the amplifier.
• When mounting multiple amplifiers on a rack, use a separate rack mount for each amplifier.
• Do NOT place or install the bracket or amplifier near any heat sources, such as fireplaces, radiators, heat registers, or other apparatus ( including amplifiers) that produce heat.

CONNECT THE BRACKETS

1. With the rack mount arrow visible and pointing to the front of the rack, align the holes on the mounting bracket with the holes on the rack bracket.
   
   
2. Insert the connecting screws through the mounting bracket and rack bracket.
   
   
3. Using a small, Phillips-head screwdriver, turn the screws clockwise to secure the screws.
   

ATTACH TO THE RACK

1. Align the holes on the rack bracket to the rack.
2. Insert the rack screws through the rack bracket and rack.
   
   
3. Turn the screws clockwise to secure the screws.
   
4. Repeat steps 1-3 to attach the other side of the rack bracket of the rack.
   

NOTE: You can also configure the assembly to attach the right side of the rack.

PLACE THE AMPLIFIER

1. Align the four openings on the bottom of the amplifier with the four tabs on the mounting bracket.
   
2. Gently slide the amplifier back onto the tabs until the amplifier clicks into place.
   

NOTE: To remove the amplifier from the mounting bracket, slide the amplifier forward to release from the tabs.

WALL MOUNTING

HARDWARE SPECIFICATIONS

You can mount the amplifier on a wall with the mounting bracket and hardware (not provided). When choosing the hardware, make sure you use hardware that is appropriate for the intended mounting surface.

ITEM	WOOD	WALLBOARD	MASONRY
Wall thickness	1⁄2" (12.8 mm) or thicker	3⁄8" (9.5 mm) or thicker	4" (101.6 mm) or thicker
Drill bit	3⁄32" (2.4 mm)	1⁄4" (6.4 mm)	1⁄4" (6.4 mm)
Phillips-head wood screws (4, not included)	#10 x 1 1⁄4" (M5 x 32 mm)	Not used	Not used
Anchors (4, not included)	Not used	#10 (M5) wallboard anchors NOTE: Requires a minimum of a 10 lb (4536g) rating.	#10 (M6) masonry anchors NOTE: Requires a minimum of a 10 lb (4536g) rating.

Do NOT mount on surfaces that are not sturdy enough, or that have hazards concealed behind them, such as electrical wiring or plumbing. If you're not sure about installing the bracket, contact a qualified professional installer. Make sure the bracket is installed according to local building codes.

ATTACH THE MOUNTING BRACKET

• Only use the mounting bracket provided with the amplifier.
• Do NOT mount the bracket on the ceiling.
• Do NOT place or install the bracket or amplifier near any heat sources, such as fireplaces, radiators, heat registers or other apparatus ( including amplifiers) that produce heat.
  1. With wall mount arrow visible and pointing up, position the mounting bracket on the wall.
     
     
  2. Mark the four mounting hole locations on the wall through the mounting bracket holes.
     
     
  3. Remove the mounting bracket.
  4. Drill four holes in the wall.
     • If mounting on wood, drill ³⁄32" holes, then continue with step 5.
     • If mounting on wallboard or masonry, refer to the instructions provided with the anchors for the proper hole size and instructions for mounting the bracket to the wall.
  5. Align the mounting bracket to the drilled holes.
  6. Insert four screws (not provided) through the mounting bracket.
  7. Using a screwdriver, tighten the screws clockwise to secure the screws.
     

ATTACH THE AMPLIFIER

1. Align the four openings on the back of the amplifier with the four tabs on the mounting bracket.
   
   Bottom of amplifier
   
   
   Mounting bracket
   
2. Gently slide the amplifier down onto the tabs until the amplifier clicks into place.
   

NOTE: To remove the amplifier from the mounting bracket, slide the amplifier up to release from the tabs.

CONNECT EXTERNAL SOURCE

You can connect the Main amplifier to your external analog or digital source using an RCA audio cable for an analog source or an optical cable for a digital source (both cables not provided).

NOTE: To play audio from an external source, the amplifier must be set up using the Bose Music app.

USING AN RCA AUDIO CABLE

1. On the external source, connect the RCA audio cable's white connector to the white LINE OUT port and the red connector to the red LINE OUT port.
2. On the Main amplifier, connect the other white connector to the white LINE IN port and the red connector to the LINE IN port.

USING AN OPTICAL CABLE

1. Remove the protective cap from both ends of the optical cable.
   
   
   Inserting the plug with the cap attached can damage the plug and/or the port.
   
2. Insert one end of the optical cable into your source's OPTICAL OUT port.
   
   Inserting the plug with the wrong orientation can damage the plug and/or the port.
   
3. On the Main amplifier, carefully insert the plug into the OPTICAL IN port.
   
   
   NOTE: The port has a hinged door that swings inward when inserting the plug.
4. Firmly push the plug into the port until you hear or feel a click.
   

Documents / Resources

References

• Google Assistant Help
• https://www.amazon.com/usealexa
• AirPlay - Apple
• Customer Support
• App Store - Apple
• Google Play
• Customer Support
• Bose Bass Module 500 – Powerful, Small Subwoofer
• Bose Bass Module 700 – Powered Subwoofer
• Products that support SimpleSync
• Product warranty
• Product Registration
• Customer Support
• Bose Software Updater for: QuietComfort, QuietControl, SoundSport, SoundWear, SoundLink and BOSEbuild products

Download manual

Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.

Download Bose Music Amplifier - Speaker Amp with Bluetooth & Wi-Fi Manual