Technics SU-GX70 - Network Audio Amplifier Manual

About this manual

• About descriptions in this Owner's Manual
  • The illustrations shown may differ from your unit.
  • Unless otherwise indicated, operations are described using the remote control.
• Illustrations and figures in this manual are of the silver main body.

A more detailed owner's manual is available in "Owner's Manual" (PDF format).

• To read it, download it from the website.
  www.technics.com/support/downloads/oi/SU-GX70.html

• You will need Adobe Reader to browse or print "Owner's Manual" (PDF format). You can download and install a version of Adobe Reader that you can use with your OS from the following website.
  https://get.adobe.com/reader/

If you have any questions, visit:
U.S.A.: https://shop.panasonic.com/support
Canada: www.panasonic.ca/english/support
Register online at https://shop.panasonic.com/support (U.S. customers only)

Accessories

(ONLY FOR CANADA)
The enclosed Canadian French label sheet corresponds to the English display on the unit.

• Product numbers provided in this Owner's Manual are correct as of March 2023.
• These may be subject to change.
• Do not use AC power supply cord with other equipment.

Installation

Installation

• Turn this unit off, fold the antenna and disconnect all the equipment before moving this unit. Be sure to raise this unit when moving, and do not drag this unit.
• Confirm the installation location can sustain the weight of this unit. (See Specifications)
• For the dimensions of this unit (See Specifications)
• Refer to the following figure for the dimensions of this unit's legs.
  
  1. 340 mm (approx. 13 ²⁵/₆₄")
  2. 228 mm (approx. 8 ⁶³/₆₄")

Unit care

Pull out the AC power supply cord from the socket before maintenance. Clean this unit with a soft cloth.

• When dirt is heavy, wring a wet cloth tightly to wipe the dirt, and then wipe it with a soft cloth.
• Do not use solvents including benzine, thinner, alcohol, kitchen detergent, chemical wiper, etc.
  Doing so may cause the exterior case to be deformed or the coating to come off.

Using Technics Audio Center

If you install the dedicated app "Technics Audio Center" (free of charge) on your tablet/ smartphone, you can stream music files from the device on your network to this unit and configure the settings of sound quality, etc.
For details, visit: www.technics.com/support/

• This application is subject to change or be discontinued with notice.

Firmware updates

Occasionally, Panasonic may release updated firmware for this unit that may add or improve the way a feature operates. These updates are available free of charge.

• For the update information, refer to the following website.
  www.technics.com/support/firmware/

To restore all the settings to the factory defaults

1. Press [SETUP].
2. Press [ ], [ ] repeatedly to select "Initialization" and then press [OK].
3. Press [ ], [ ] to select "Yes" and then press [OK].
   • A confirmation screen appears. Select "Yes" in the following steps to restore all the settings to defaults.
4. Press [ ], [ ] to select "Yes" and then press [OK] again.

To transfer this unit

• Before disposing of or transferring this unit, be sure to erase all the recorded information by restoring the settings to factory default (above).
• Before you dispose of or transfer this unit to a third party, be sure to log out of your music streaming services accounts to prevent unauthorized use of your accounts.

Network services

The services provided by their respective service providers may be changed or discontinued without notice. Panasonic bears no responsibility for change or discontinuance of their services.

Not all music streaming services are available in all countries/regions. Registration/ subscription may be required, or fees may be charged to use music streaming services. Services are subject to change or be discontinued. For details, visit an individual music streaming service's website.

Control reference guide

The front of this unit

1. [ ] Standby/on button
   • Press to switch the unit from on to standby mode or vice versa. In standby mode, the unit is still consuming a small amount of power.
2. Power indicator
   • Blue: The unit is on.
   • Off: The unit is off.
     • Red: The unit is in standby mode.
3. Headphones jack
   • A When a plug is connected, the speakers and PRE OUT terminals do not output sound.
   • Excessive sound pressure from earphones and headphones can cause hearing loss.
   • Listening at full volume for long periods may damage the user's ears.
4. USB-A terminal (USB-A)
   (For AV) (5 V 500 mA)
   • You can connect a USB device to the unit and play back music stored on the USB device.
   • You can connect the USB flash memory with new firmware and update the firmware for this unit. For details, refer to the following website.
     www.technics.com/support/firmware/
5. Remote control signal sensor
   • Reception distance:
     Within approx. 7 m (23 ft) directly in front
   • Reception angle:
     Approx. 30° left and right
6. Volume knob
   • - dB (min), -99.0 dB to 0 dB (max)
7. Display
   • Input source, playback status, etc. are displayed.
8. Touch switches
   • [ ], [ ], [ ], [ ]: Playback operation buttons
   • Each time you press the switch, a beep sound will be heard. (You can turn the beep sound on/off by setting "Beep" from the setup menu.)
9. Input selector knob
   • Turn this knob clockwise or anticlockwise to switch the input source.

The rear of this unit

1. Analog audio input terminals (PHONO)
   You can connect the turntable with PHONO cable (not supplied) to this unit and play back music.
   • Please use the cable less than 3 m.
2. PHONO EARTH terminal
   • For connecting the ground wire of a turntable.
3. Analog audio input terminals (LINE1/LINE2)
   You can connect an analog audio output device with analog audio cable (not supplied) to this unit and play back music.
4. Wireless LAN antenna
   (See Wireless LAN connection)
5. FM ANT terminal
   (See Playback)
6. HDMI terminal
   You can connect the HDMI equipment with ARC function (TV, etc.) with HDMI cable (not supplied) to this unit and play back music.
   (See Connections)
   • Please use Premium High Speed HDMI cable.
7. Coaxial digital input terminals (COAX)
   You can connect a digital audio output device such as D/A converter, etc. with coaxial digital cable (not supplied) and play back music.
   • The detailed operating instruction for MQA function is available in "Owner's Manual" (PDF format).
8. Optical digital input terminal (OPT1/OPT2)
   You can connect a digital audio output device, etc. with optical digital audio cable (not supplied) and play back music.
   • When connecting the HDMI equipment without ARC function, connect the equipment with optical digital audio cable (not supplied) to the optical digital input terminal (OPT2) of this unit.
     (See Connections)
9. USB-B terminal (USB-B)
   You can connect the PC, etc. or another device with USB 2.0 cable (not supplied) to this unit and play back music.
10. LAN terminal
    (See Wired LAN connection)
11. Speaker output terminals
    (See Speaker Connection)
12. Analog audio output terminals (PRE OUT)
    You can connect the power amplifier, subwoofer, etc. with analog audio cable (not supplied) to output the analog audio signals.
    • Sound is not output from PRE OUT terminals when "PRE OUT" is set to "Off". (The factory default is "Off".)
13. Product identification marking
    • The model number is indicated.
14. AC IN terminal ( )
    (See AC power supply cord connection)

Remote control

1. [ ]: Standby/on switch
   • Press to switch the unit from on to standby mode or vice versa. In standby mode, the unit is still consuming a small amount of power.
2. [USB]/[RADIO]/[ -PAIRING]: Select the device to be operated (See Playback)
3. [>INPUT<]: Switch the input source
4. [MENU]: Enter menu
5. [SETUP]: Enter setup menu
6. [+VOL-]: Adjust the volume
   • - dB (min), -99.0 dB to 0 dB (max)
7. [MUTE]: Mute the sound
   • Press [MUTE] again to cancel. "MUTE" is also cancelled when you adjust the volume or when you turn the unit to standby.
8. Playback operation buttons
9. [FAV]: Select the favorite radio station or playlist (FM / USB-A / DMP / Internet Radio / Spotify / TIDAL / Deezer / Qobuz, etc.)
   • You can register up to 9 favorite stations. To register, press and hold [FAV] while the favorite station or playlist is played back, select the number to register and then press [OK].
10. [INFO]: View content information
    • Press this button to display the track, artist, and album names, file type, sampling frequency, MQA content type and other information. (The information varies depending on the input source.)
11. [ ], [ ], [ ], [ ]/[OK]: Selection/OK
12. [RETURN]: Return to the previous display
13. [DIMMER]: Adjust the brightness of the display, etc.
    • When the display is turned off, it will light up for a few seconds only when you operate this unit. Before the display turns off, "Display Off" will be displayed for a few seconds.
    • Press repeatedly to switch the brightness.
    • You can turn off the power indicator in addition to adjusting the brightness of this unit as 4 steps by pressing [DIMMER] when "DIMMER Steps" is set to "5 (including Blackout)" from the setup menu.
14. [PGM]: Memorize the preset radio channel
15. Numeric buttons, etc.
    • To select a 2-digit number
      Example:
      16: [ ≥ 10] > [1] > [6]
    • To select a 4-digit number
      Example:
      1234: [ ≥ 10] > [ ≥ 10] > [ ≥ 10] > [1] > [2] > [3] > [4]
    • [CLEAR]: Clear the entered value.

• Using the remote control
  

Note

• Insert the battery so the terminals ( and ) match those in the remote control.
• Point it at the remote control signal sensor on this unit. (See The front of this unit)
• Keep the batteries out of reach of children to prevent swallowing.

Connections

FM antenna connection

• Tape the antenna to a wall or column at the position with the least amount of interference.

Note

• The interference may occur if any electronic devices are nearby.

Connecting HDMI equipment with ARC function

• Use Premium High Speed HDMI cables when connecting to peripheral devices.
• Connect this unit to the HDMI input terminal which has ARC (Audio Return Channel) function.
• Set the audio output from TV speakers to Off. For details, refer to the operating instructions of the TV.

Note

• Linear PCM signal is only available for ARC function.
• Do not input the signals other than linear PCM signal, otherwise it may cause noise or damage the connected speakers.
• For the equipment does not support ARC function, connect the equipment with HDMI cable (not supplied) and optical digital audio cable (not supplied) to the optical digital input terminal (OPT2) of this unit.
• To provide the higher quality sound, select "On (Custom)" of "Pure Amplification" from the setup menu and set "Network/USB-A/ Bluetooth" to "Disabled" to disable the network functions. (See below)
• The volume may be lower depending on the connected TV.

Analog audio output device connection

• When connecting a turntable with a builtin PHONO equalizer, turn the equalizer of turntable off or connect the PHONO cable to the analog audio input terminals (LINE1/LINE2) of this unit.
• When connecting a turntable with a PHONO earth lead, connect the PHONO earth lead to the PHONO EARTH terminal of this unit.

Pure Amplification

By disabling the network functions, HDMI, etc. this unit provides the higher quality sound.

• The features such as network, HDMI, etc. are disabled when "Pure Amplification" is set to "On".

1. Press [SETUP].
2. Press [ ], [ ] repeatedly to select "Pure Amplification" and then press [OK].
3. Press [ ], [ ] to select an item and then press [OK].

On:
All the features using network function and HDMI are disabled.

On (Custom):
To disable the network function only, set "Network/USB-A/Bluetooth" to "Disabled". Set "HDMI" to "Disabled" to disable the HDMI function (HDMI ARC) only.

Note

• While this unit is in "Pure Amplification" mode and the network functions, HDMI, etc. are disabled, playback of the online music streaming services, music files from network devices, etc. will not be available. Also, this unit is not displayed as the output speaker on the application such as "Technics Audio Center".
• The display is turned off by dimmer function while this unit is in "Pure Amplification" mode. Press [DIMMER] repeatedly to switch the brightness. (See Remote Control)

Speaker connection

1. Turn the knobs to loosen them, and insert the core wires into the holes.
   
2. Tighten the knobs.
   

Note

• When the connections are completed, pull the speaker cables lightly to check that they are connected firmly.
• Be careful not to cross (short-circuit) or reverse the polarity of the speaker wires as doing so may damage the amplifier.
  
• Wire the polarity (+/-) of the terminals correctly. Not doing so may adversely affect stereo effects or cause malfunction.
• Though the spade plug (A: 16 mm (⁵/₈") or less, B: 8 mm (⁵/₁₆") or more) can be connected, some plug may not be connected depending on the shape of plug.
  
• For details, refer to the operating instructions of the speakers.

AC power supply cord connection

Connect only after all other connections are completed.

• Use only the supplied AC power supply cord.
• Do not connect the AC power supply cord until all other connections are complete.
• Insert the plugs of the cables to be connected all the way in.
• Do not bend cables at sharp angles.
• Wireless LAN (Wi-Fi ) setting may start when this unit is turned on. If you stop the Wi-Fi setting, select "No" in "Wi-Fi Setup" screen. Select "Yes" to keep the Wi-Fi setting. (See Wireless LAN connection)

Note

• This unit consumes a small amount of AC power (See Specifications) even when the unit is in standby mode. Remove the plug from the main electrical outlet if you will not be using the unit for an extended period of time. Place the unit so the plug can be easily removed.

Network settings

You can stream online music services or music files from your smartphone/tablet to this unit. To use these features, this system must join the same internet-connected network as the compatible device.

This unit can be connected to a router using a LAN cable or built-in Wi-Fi.
For a stable connection to the network, a wired LAN connection is recommended.

Note

• If you try to change the network settings immediately after turning on this unit, it may take some time until the network setup screen is displayed.
• If "Firmware update is available" is displayed after the network connection is set up, the firmware for this unit is available.
  • For the update information, refer to the following website.
    www.technics.com/support/firmware/
• In order to fully enjoy all the features the SU-GX70 has to offer, it has been designed to work with the Google Home app which integrates with your Google Account.
• To provide the higher quality sound, select "On (Custom)" of "Pure Amplification" from the setup menu and set "HDMI" to "Disabled" to disable the network functions. (See Pure Amplification)

Preparation
If you install the Google Home app or Apple Home app on your smartphone/tablet, you can set up a connection using the application.

• When using Chromecast-enabled apps to play music on this unit, set up a connection using the Google Home app and a Google Assistant enabled device.
• When using AirPlay to play music on this unit, add the product to Home in the Apple Home app. Adding this unit to the network via Apple Home app will also allow the user to stream audio using Siri.
• Make sure that the Wi-Fi function and Bluetooth function are activated on your smartphones/tablet.

(Using Google Home app)

1. Install the Google Home app on your smartphone/tablet.
   • To download the Google Home app, visit:
     https://www.google.com/cast/setup/
   • Add your device with the "+" button from Google Home.

(Using Apple Home app)

1. Install Apple Home app on your smartphone/tablet.
   • To download Apple Home app, visit:
     https://www.apple.com/ios/home/

2. Connect your smartphone/tablet to the same network as this unit before setting.
   • Make sure that the network is connected to the Internet.

Wired LAN connection

1. Disconnect the AC power supply cord.
2. Connect this unit to a broadband router, etc. using a LAN cable.
3. Connect the AC power supply cord to this unit. (See AC power supply cord connection)
4. Press [ ] to turn this unit on.
   • When the connection is established, " " is displayed.
5. Press [>INPUT<] to select "Chromecast built-in".

(Using Google Home app)

6. Open the Google Home app and follow the on-screen instructions to set up a connection. (See Setting the network from the setup menu when using app with this unit)

(Using Apple Home app)

6. Open Apple Home app and follow the on-screen instructions to set up a connection. (See Setting the network from the setup menu when using app with this unit)

Note

• While the AC power supply cord is disconnected, the LAN cable must be connected or disconnected.
• Use category 7 or above straight LAN cables (STP) when connecting to peripheral devices.
• Inserting any cable other than a LAN cable in the LAN port can damage the unit.
• When a LAN cable is connected, the Wi-Fi function may be disabled.

Wireless LAN connection

Preparation

1. Disconnect the AC power supply cord.
2. Disconnect the LAN cable.
3. Place this unit as close to the wireless router as possible.
4. Point up the antenna on the rear of this unit as shown in the figure.
   
5. Connect the AC power supply cord to this unit. (See AC power supply cord connection)

Note

• The setting will be cancelled after the set time limit. In that case, try the setting again.
• To cancel this setting in the middle, press [ ] or turn the unit to standby mode.
• When the connection is established, " " is displayed. (See Setting the network from the setup menu when using app with this unit)

Network setting for the first time using app

1. Press [ ] to turn this unit on.
   • "Wi-Fi Setup" is displayed.
2. Press [ ], [ ] to select "Yes" and then press [OK].
   • "Setting" is displayed.

(Using Google Home app)

3. Open the Google Home app and follow the on-screen instructions to set up a connection. (See Setting the network from the setup menu when using app with this unit)

(Using Apple Home app)

3. Open the Apple Home app and follow the on-screen instructions to set up a connection. (See Setting the network from the setup menu when using app with this unit)

Note

• This unit will be displayed as "Technics-SU- GX70-****" if the device name is not set.
  ("****" stands for characters unique to each set.)
• You can check your network information (SSID, MAC address and IP address) from the Google Home app or "Technics Audio Center" app.
• Some items on the Google Home app are irrelevant to this unit.
• When this unit is switched to standby mode and turned on before the Wi-Fi setting is complete, "Wi-Fi Setup" is displayed. Complete the Wi-Fi setting or set "Wi-Fi Menu" to "Off" to turn off the display.

Setting the network from the setup menu when not using apps with this unit

• To stream music files with this unit using Chromecast-enabled apps (See Streaming music over the network), set up the network setting using Google Home app. (See Setting the network from the setup menu when using app with this unit)

Using the WPS button "WPS"
If your wireless router supports WPS, you can set up a connection by pressing the WPS button.

• A compatible wireless router may have the WPS identifier mark.
• Complete the settings within 2 minutes while "WPS" is displayed.
• When "Wi-Fi Setup" is displayed when turning on this unit, press [ ] to cancel the network setting and start the setting again.

1. Press [SETUP].
2. Press [ ], [ ] repeatedly to select "Network" and then press [OK].
   • When "Wi-Fi Menu" screen is displayed, press [OK].
3. Press [ ], [ ] to select "On" and then press [OK]. (The wireless LAN function is enabled.)
4. Press [ ], [ ] to select "WPS Push" and then press [OK].
   • "WPS" blinks. Complete step 5 within 2 minutes.
5. After "WPS" is displayed, press the WPS button on the wireless router.
   Example:
   
   • "Linking" blinks.
   • When the connection is established, "Success" is displayed.
     • "Fail" may be displayed if the connection was not complete. Try this method again from the setup menu. If "Fail" is still displayed, try other methods.
6. Press [OK] to exit the setting.

Using the WPS PIN code "WPS PIN"
If your wireless router supports WPS, you can set up a connection by entering the WPS PIN code.

• For details on how to enter the PIN code, refer to the operating instructions of the wireless router.
• Complete the settings within 2 minutes while "WPS PIN" and the PIN code are displayed.
• When "Wi-Fi Setup" is displayed when turning on this unit, press [ ] to cancel the network setting and start the setting again.

1. Press [SETUP].
2. Press [ ], [ ] repeatedly to select "Network" and then press [OK].
   • When "Wi-Fi Menu" screen is displayed, press [OK].
3. Press [ ], [ ] to select "On" and then press [OK]. (The wireless LAN function is enabled.)
4. Press [ ], [ ] to select "WPS PIN" and then press [OK].
   • The PIN code is displayed. Complete step 5 within 2 minutes.
5. Enter the PIN code into the wireless router from PC, etc.
   • "Linking" blinks.
   • When the connection is established, "Success" is displayed.
     • "Fail" may be displayed if the connection was not complete. Try this method again from the setup menu. If "Fail" is still displayed, try other methods.
6. Press [OK] to exit the setting.

Note

• Depending on a router, other connected devices may temporarily lose their connection.
• For details, refer to the operating instructions of the wireless router.

Setting the network from the setup menu when using app with this unit

1. Press [>INPUT<] to select "Chromecast built-in".
2. Press [SETUP].
3. Press [ ], [ ] repeatedly to select "Network" and then press [OK].
   • When "Wi-Fi Menu" screen is displayed, press [OK].
4. Press [ ], [ ] to select "On" and then press [OK]. (The wireless LAN function is enabled.)
5. Press [ ], [ ] to select "Wi-Fi Setup" and then press [OK].
   • "Setting" is displayed.

(Using Google Home app)

6. Open the Google Home app and follow the on-screen instructions to set up a connection.

(Using Apple Home app)

6. Open Apple Home app and follow the on-screen instructions to set up a connection.

Using the Google Home app or Apple Home app "Wi-Fi Setup"

1. Open the Google Home app or Apple Home app and follow the on-screen instructions to set up a connection.
   • When the connection is established, "Success" is displayed.
     • "Fail" may be displayed if the connection was not complete. Try this method again from the setup menu. If "Fail" is still displayed, try other methods.
2. Press [OK] to exit the setting.

Note

• This unit will be displayed as "Technics-SU- GX70- ****" if the device name is not set.
  (" **** " stands for characters unique to each set.)
• You can check your network information (SSID, MAC address and IP address) from the Google Home app or "Technics Audio Center" app.
• Some items on the Google Home app are irrelevant to this unit.

Streaming music over the network

This unit is compatible with Chromecast-enabled apps. For detailed information of Chromecastenabled apps, visit:
g.co/cast/apps
You can also stream music files from the device on your network to this unit by using the "Technics Audio Center". Download and install the app from the website below.
www.technics.com/support/
And, you can also stream music over AirPlay.

Preparation

• Complete the network settings. (See Network Settings)
  (Make sure that the network is connected to the Internet.)
• Install the supported application on your device.
• Connect the device to the network currently used at home.

1. Open the Chromecast-enabled app, AirPlay-enabled app or "Technics Audio Center" app on your device (smartphone, tablet, etc.), and select this unit as the output speaker.
2. Play back the music.

Note

• You cannot use Chromecast app with this unit when the network setting is set up by "WPS PIN" for "WPS Push". To stream music files with this unit using Chromecast-enabled apps (See Streaming music over the network), set up the network setting using Google Home app. (See Setting the network from the setup menu when using app with this unit)

Not all music streaming services are available in all countries/regions. Registration/ subscription may be required, or fees may be charged to use music streaming services. Services are subject to change or be discontinued. For details, visit an individual music streaming service's website.

Before you dispose of or transfer this unit to a third party, be sure to log out of your music streaming services accounts to prevent unauthorized use of your accounts.

Playback

Playing back music files on the media server You can share music files stored in the media server (PC, Network Attached Storage, etc.) connected to your home network, and enjoy the contents with this unit.

1. Press [>INPUT<] repeatedly to select "DMP".
   • You can also select the input source by turning the input selector knob on the unit.
   • The server selection screen will be displayed.
2. Press [ ], [ ] to select a media server on the network, and then press [OK].
   • The folder/content selection screen will be displayed. Repeat this step to make further selections.
   • Folders/content may be displayed in different order from the order on the server, depending on its specifications.
3. Press [ ], [ ] to select an item and then press [OK].

Note

• The connected server and its contents may not be displayed properly depending on its condition. (e.g. soon after adding the contents to the server, etc.)
  Please try again later. For details, refer to the operating instructions of the device.
• The content may not be played back properly depending on the network condition.

Listening to FM Radio

Storing FM stations
You can preset up to 30 channels for FM.

• A station previously stored is overwritten when another station is selected for the same channel by presetting.

1. Press [RADIO] repeatedly to select "FM".
2. Press [MENU].
3. Press [ ], [ ] repeatedly to select "Auto Preset" and then press [OK].
4. Press [ ], [ ] to select an item and then press [OK].

Lowest:
To begin the auto preset with the lowest frequency (87.9/87.5 MHz).

Current:
To begin the auto preset with the current frequency.

• The tuner starts to preset all the stations it can receive into the channels in ascending order.
• The factory default is "Lowest".

To listen to a preset FM channel

1. Press [MENU].
2. Press [ ], [ ] repeatedly to select "Tuning Mode" and then press [OK].
3. Press [ ], [ ] to select "Preset" and then press [OK].
4. Press [ ], [ ] or numeric buttons to select the channel.

Using Bluetooth

Registering the Bluetooth device

• Turn on the Bluetooth feature of the device and place the device near this unit.
• If a Bluetooth device is already connected, disconnect it.

1. Press [ -PAIRING].
   • When "Pairing" is indicated on the display, proceed to step 5.
   • By pressing and holding [ -PAIRING] this unit starts waiting for registering. Proceed to step 5.
2. Press [MENU].
3. Press [ ], [ ] repeatedly to select "Pairing" and then press [OK].
4. Press [ ], [ ] to select "Yes" and then press [OK].
   • "Pairing" is displayed, and this unit waits for registering.
5. Select "Technics-SU-GX70-**** " from the Bluetooth device's menu.
   • The name of the connected device is indicated on the display.
   • The MAC address "**** " (" **** " stands for a character that is unique to each set.)
     may be displayed before "Technics-SU-GX70-**** " is displayed.
   • If the device name is set on the Google Home app or Apple Home app, the set name is displayed.

Note

• You can also enter pairing mode by pressing and holding [ -PAIRING] when the input source is other than "Bluetooth".
• If prompted for the passkey, input "0000".
• While "Standby Mode" is set to "On", this unit automatically turns on when a Bluetooth connection is established to this unit from a paired Bluetooth device.

Listening to music stored on a Bluetooth device

1. Press [ -PAIRING].
   • "Ready" or "Pairing" is indicated on the display.
2. Select "Technics-SU-GX70- ****" from the Bluetooth device's menu.
   • The name of the connected device is indicated on the display.
   • If the device name is set on the Google Home app or Apple Home app, the set name is displayed.
3. Start playback on the Bluetooth device.

Note

• When enjoying video contents with this function, the video and audio output may not be synchronized.
• Set "Auto Reconnect" to "On" so that this unit tries to connect the last connected Bluetooth device automatically when "Bluetooth" is selected as an input source
• This unit can only be connected to one device at a time.

Disconnecting a Bluetooth device

1. Press [MENU].
2. Press [ ], [ ] repeatedly to select "Disconnect?" and then press [OK].
3. Press [ ], [ ] to select "Yes" and then press [OK].

Note

• The Bluetooth device will be disconnected if a different audio source is selected.

Specifications

GENERAL
Power supply	AC 120 V, 60 Hz
Power consumption	63 W
Power consumption in standby mode (Network standby On)	Approx. 2.0 W
Power consumption in standby mode (Network standby Off)	Approx. 0.5 W
Dimensions (W×H×D)	430 mm × 98 mm × 368 mm (16 15/16" x 3 55/64" x 14 31/64")
Mass	Approx. 6.6 kg (14.6 lbs)
Operating temperature range	0°C to 40°C (32°F to 104°F)
Operating humidity range	35% to 80% RH (no condensation)
AMPLIFIER SECTION
Output power	40 W + 40 W (1 kHz, T.H.D. 1.0%, 8 Ω, 20 kHz LPF) 80 W + 80 W (1 kHz, T.H.D. 1.0%, 4 Ω, 20 kHz LPF)
FTC output power	30 W + 30 W (1 kHz, T.H.D. 1.0%, 8 Ω, 20 kHz LPF) 60 W + 60 W (1 kHz, T.H.D. 1.0%, 4 Ω, 20 kHz LPF)
Load Impedance	4 Ω - 16 Ω
Frequency Response
PHONO (MM)	20 Hz - 20 kHz (RIAA DEVIATION ±1 dB, 4 Ω)
LINE	20 Hz - 40 kHz (-3 dB, 4 Ω)
DIGITAL	20 Hz - 80 kHz (-3 dB, 4 Ω)
Input sensitivity/Input impedance
LINE	200 mV / 23 kΩ
PHONO (MM)	2.0 mV / 47 kΩ
TUNER SECTION
Frequency Modulation (FM)
Preset memory	30 stations
Frequency range	87.9 MHz to 107.9 MHz (200 kHz step) 87.5 MHz to 108.0 MHz (100 kHz step)
Antenna terminals	75 Ω (unbalanced)
Bluetooth SECTION
Bluetooth system specification	Bluetooth Ver.5.1
Wireless equipment classification	Class 1 (4 mW)
Supported profiles	A2DP, AVRCP
Supported codec	AAC, SBC
Frequency band	2.4 GHz band FH-SS
Operating distance	Approx. 10 m (33 ft) Line of sight *1
TERMINALS SECTION
Headphones Jack	Stereo, Φ 6.3 mm (1/4") 5 mW, 32 Ω (VOL MAX)
USB-A (Front)	Type A Connector
Support Memory Capacity	2 TB (max)
Maximum number of folders (albums)	800
Maximum number of files (songs)	8000
File system	FAT16, FAT32, NTFS
USB port power	DC OUT 5 V 0.5 A MAX
USB-B (Rear)	Type B Connector
Ethernet interface	LAN (100BASE-TX/10BASE-T)
Analog Input	LINE IN × 2 (Pin Jack) PHONO (MM) (Pin Jack)
Analog Output	PRE OUT (Pin Jack)
Digital Input	OPT IN × 2 (Optical terminal) COAX IN (Pin Jack)
Format support	LPCM
HDMI Output (ARC)	Type A Connector
Format support	LPCM
FORMAT SECTION
USB-A
USB Standard	USB 2.0 High-speed USB Mass Storage class
USB-B
USB Standard	USB 2.0 High-speed USB Audio Class 2.0, Asynchronous mode
DSD control mode	ASIO Native mode, DoP mode
Wi-Fi SECTION
Standard	IEEE802.11a / b / g / n / ac / ax
Frequency Band	2.4 GHz band 5 GHz band
Security	WPA2

• The WLAN feature of this product shall exclusively be used inside buildings.

*1: Prospective communication distance
Measurement environment:
Temperature 25°C (77°F)/
Height 1.0 m (3.3 ft)
Measure in "Mode1"

• File format
  This unit supports the following file formats.
  • This unit does not support the playback of copy-protected music files.
  • Playback of all files in formats supported by this unit is not guaranteed.
  • Playback of a file in a format not supported by this unit may cause choppy audio or noise. In such cases, check to see if this unit supports the file format.
  • This unit does not support VBR (Variable Bit Rate) playback.
  • Some of the connected devices or servers may be capable of converting files in formats not supported by this unit and output them. For details, refer to the operating instructions for your server.
  • File information (sampling frequency, etc.) shown by this unit and playback software may differ from each other.
  • Depending on PC, application, etc., the content may not be played back even though the sampling frequency is supported. Check the PC, application, etc. to play back properly.

	Extension	Sampling frequency	Bit rate/ Number of quantisation bits	USB-A	USB-B	LAN (DMR)*2
MP3	.mp3	32/44.1/48 kHz	16 to 320 kbps
AAC	.m4a/.aac	32/44.1/48/88.2/96 kHz	16 to 320 kbps
WAV	.wav	32/44.1/48/88.2/96/ 176.4/192/352.8/384 kHz	16/24/32 bit
FLAC	.flac	32/44.1/48/88.2/96/ 176.4/192/352.8/384 kHz	16/24 bit
AIFF	.aiff	32/44.1/48/88.2/96/ 176.4/192/352.8/384 kHz	16/24/32 bit
ALAC	.m4a	32/44.1/48/88.2/96/ 176.4/192/352.8/384 kHz	16/24 bit
DSD	.dff/.dsf	2.8/5.6/11.2 MHz
LPCM		32/44.1/48/88.2/96/ 176.4/192/352.8/384 kHz	16/24/32 bit

*2: Whether or not each music file can be played back over your network is determined by the network server even if the format of the file is listed above. For example, if you are using Windows Media Player 11, not all music files on the PC are playable. You can play back only those added to the library of Windows Media Player 11.

Note

• Specifications are subject to change without notice.
• Mass and dimensions are approximate.

IMPORTANT SAFETY INSTRUCTIONS

Read these operating instructions carefully before using the unit. Follow the safety instructions on the unit and the applicable safety instructions listed below. Keep these operating instructions handy for future reference.

1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A groundingtype plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
11. Only use attachments/accessories specified by the manufacturer.
12. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/ apparatus combination to avoid injury from tip-over.
    
13. Unplug this apparatus during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

Unit

• 
  To reduce the risk of fire, electric shock or product damage,
  • Do not expose this unit to rain, moisture, dripping or splashing.
  • Do not place objects filled with liquids, such as vases, on this unit.
  • Use only the recommended accessories.
  • Do not remove covers.
  • Do not repair this unit by yourself. Refer servicing to qualified service personnel.
  • Do not let metal objects fall inside this unit.
  • Do not place heavy items on this unit.

AC power supply cord

• The power plug is the disconnecting device. Install this unit so that the power plug can be unplugged from the socket outlet immediately.
• Ensure the earth pin on the power plug is securely connected to prevent electrical shock.
  • An apparatus with CLASS I construction shall be connected to a power socket outlet with a protective earthing connection.

Unit

• Do not place sources of naked flames, such as lighted candles, on this unit.
• This unit may receive radio interference caused by mobile telephones during use. If such interference occurs, please increase separation between this unit and the mobile telephone.

Placement

• Place this unit on an even surface.
• 
  To reduce the risk of fire, electric shock or product damage,
  • Do not install or place this unit in a bookcase, builtin cabinet or in another confined space. Ensure this unit is well ventilated.
  • Do not obstruct this unit's ventilation openings with newspapers, tablecloths, curtains, and similar items.
  • Do not expose this unit to direct sunlight, high temperatures, high humidity, and excessive vibration.
• Do not lift or carry this unit by holding the knobs or antenna. Doing so may cause this unit to fall, resulting in personal injury or malfunction of this unit.

Battery

• Danger of explosion if battery is incorrectly replaced. Replace only with the type recommended by the manufacturer.
• Mishandling of batteries can cause electrolyte leakage and may cause a fire.
  • Remove the battery if you do not intend to use the remote control for a long period of time. Store in a cool, dark place.
  • Do not heat or expose to flame.
  • Do not leave the battery(ies) in a car exposed to direct sunlight for a long period of time with doors and windows closed.
  • Do not take apart or short circuit.
  • Do not recharge alkaline or manganese batteries.
  • Do not use batteries if the covering has been peeled off.
  • Do not mix old and new batteries or different types at the same time.
• When disposing of the batteries, please contact your local authorities or dealer and ask for the correct method of disposal.

RISK OF ELECTRIC SHOCK
DO NOT OPEN

TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE SCREWS.
NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

	The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated "dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
	The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.

Avoid the use in the following conditions

• High or low extreme temperatures during use, storage or transportation.
• Replacement of a battery with an incorrect type.
• Disposal of a battery into fire or a hot oven, or mechanically crushing or cutting of a battery, that can result in an explosion.
• Extremely high temperature and/or extremely low air pressure that can result in an explosion or the leakage of flammable liquid or gas.

Documents / Resources

References

• Operating Instructions | Downloads | Technics
• Adobe - Download Adobe Acrobat Reader
• Panasonic - Official Consumer Product Support
• Panasonic - Official Consumer Product Support
• Support | Technics
• Firmware Update | Technics
• Chromecast Setup
• Home app - Apple
• Google Play
• App Store - Apple
• Chromecast built-in - Apps

Download manual

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

Download Technics SU-GX70 - Network Audio Amplifier Manual