Sony ULT TOWER 9AC Help Manual
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Sony ULT TOWER 9AC Help Manual

Sony ULT TOWER 9AC Help Manual

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Help Guide
Wireless Speaker
ULT TOWER 9AC
Model: YY7865E
Design and specifications are subject to change without notice.
Quick Start Guide
Connect to the app for even more fun and convenience
Many useful features are out there in your device.
Download the "Sony | Sound Connect" app and get the most out of what you have.
Let's start to use
After purchasing the speaker, follow the procedure below to play music.
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Summary of Contents for Sony ULT TOWER 9AC

  • Page 1 Connect to the app for even more fun and convenience Many useful features are out there in your device. Download the “Sony | Sound Connect” app and get the most out of what you have. Let’s start to use After purchasing the speaker, follow the procedure below to play music.

  • Page 2: Related Information

    Connecting with BLUETOOTH devices Follow the instructions on the downloaded “Sony | Sound Connect” app to establish a BLUETOOTH connection between the speaker and your smartphone or iPhone. When a BLUETOOTH connection is established, you hear the notification sound from the speaker and the activity of the (BLUETOOTH) indicator changes from flashing to lit.
  • Page 3 Connecting with a USB device BLUETOOTH device How to make wireless connections to BLUETOOTH devices Connecting to BLUETOOTH devices easily with the “Sony | Sound Connect” app via a BLUETOOTH connection Pairing and connecting with BLUETOOTH devices ® Connecting with a computer via a BLUETOOTH connection (Windows...
  • Page 4 Using an external microphone Enjoying sound from a guitar Using the apps What you can do with the “Sony | Sound Connect” app Installing the “Sony | Sound Connect” app Accessing support information from the “Sony | Sound Connect” app...

  • Page 5: Parts And Controls

    Help Guide Wireless Speaker ULT TOWER 9AC Parts and controls...
  • Page 6 (power) button with indicator ULT button Direct function keys (BLUETOOTH) with indicator OPTICAL IN TV SOUND BOOSTER AUDIO IN MULTI COLOR CONNECT with indicator STEREO PAIR with indicator Lighting color selectors (red/yellow/green/blue/purple) KEY CONTROL (flat) with indicator/ (sharp) with indicator ECHO with indicator LIGHT –/+ (volume)
  • Page 7 The port, connector, and jacks on the speaker are not designed for water resistant. Do not use the speaker in places where the speaker is likely to have water splashed on it. When you are finished with using the speaker, be sure to securely close the caps. Related Topic About the indicators 5-064-366-11(1) Copyright 2025 Sony Corporation...
  • Page 8 To carry a speaker while it is powered on, turn the light (lighting function) off. If sand or dust adheres to the caster wheels' axles, or grass or lint gets wrapped around them, the caster wheels may malfunction. Related Topic Turning on/off the speaker’s light (Lighting function) 5-064-366-11(1) Copyright 2025 Sony Corporation...
  • Page 9 Firmly insert the end of the supplied AC power cord (mains lead) to the AC input jack on the rear side of the speaker, and then to an AC outlet. Related Topic Turning the power on 5-064-366-11(1) Copyright 2025 Sony Corporation...

  • Page 10: Turning The Power On

    When the speaker has no pairing information, for example when you use the BLUETOOTH function for the first time after purchase, the (BLUETOOTH) indicator on the speaker keeps double flashing in blue. Related Topic Connecting the speaker to an AC outlet Turning the power off Turning on/off the speaker’s light (Lighting function) 5-064-366-11(1) Copyright 2025 Sony Corporation...

  • Page 11: Turning The Power Off

    (power) indicator in orange to indicate the BLUETOOTH standby function is active At the time of purchase, the BLUETOOTH standby function is deactivated. Related Topic Using the BLUETOOTH standby (auto power on) function Automatic Power Off (power saving) function 5-064-366-11(1) Copyright 2025 Sony Corporation...
  • Page 12 Turn on the speaker. You hear the notification sound from the speaker, and the (power) indicator on the speaker lights up in white. Start the “Sony | Sound Connect” app on your smartphone. Enable [Bluetooth Standby]. To deactivate the BLUETOOTH standby function In step 3 above, disable [Bluetooth Standby].
  • Page 13 5-064-366-11(1) Copyright 2025 Sony Corporation...
  • Page 14 When you are finished with using the speaker, be sure to securely close the caps. Related Topic Connecting the speaker to an AC outlet Turning the power on Automatic Power Off (power saving) function 5-064-366-11(1) Copyright 2025 Sony Corporation...
  • Page 15 The device connected to the OPTICAL IN (optical digital audio input) connector on the speaker is turned off. Hint You can turn on or off the Automatic Power Off function by using the “Sony | Sound Connect” app. Note Disabling this function will increase the power consumption because the product will not turn off automatically when not being used.
  • Page 16 When the Automatic Power Off function is turned on, the (power) indicator on the speaker flashes twice in orange. Related Topic What you can do with the “Sony | Sound Connect” app 5-064-366-11(1) Copyright 2025 Sony Corporation...
  • Page 17 The mic holders are designed for placing microphones only. Do not hold the mic holders when carrying the speaker. Reduce the microphone volume level to the minimum level before placing the microphone in the mic holder. Related Topic Using an external microphone 5-064-366-11(1) Copyright 2025 Sony Corporation...
  • Page 18 Help Guide Wireless Speaker ULT TOWER 9AC Turning on/off the speaker’s light (Lighting function) The speaker lights up with the music to liven up the atmosphere. At the time of purchase, the lighting function is set to on. Turn on the speaker.
  • Page 19 Tap LIGHT on the speaker to turn on/off the lighting function. Hint By using the “Lighting Mode” function on the “Sony | Sound Connect” app, you can turn on/off the lighting function or switch the lighting mode to suit your mood or the situation.
  • Page 20 Help Guide Wireless Speaker ULT TOWER 9AC Connecting the speaker with a TV Connect an optical out jack on your TV and the OPTICAL IN (optical digital audio input) connector on the speaker with the supplied optical digital cable. Note Check the plugs ( ) of the optical digital cable for the shape and insert them into the respective connector and jack.
  • Page 21 Related Topic Listening to TV audio (with use of the TV Sound Booster function) Listening to TV audio (without use of the TV Sound Booster function) 5-064-366-11(1) Copyright 2025 Sony Corporation...

  • Page 22: Compatible Usb Devices

    When you are finished with using the speaker, be sure to securely close the caps. Connect a USB device to the PLAY/CHARGE OUTPUT port (USB) on the speaker. Tap USB on the speaker. Related Topic Listening to music of a USB device 5-064-366-11(1) Copyright 2025 Sony Corporation...

  • Page 23: Connecting To A Paired Device

    For details on pairing and connection operations, see the related topics below. Related Topic Connecting to BLUETOOTH devices easily with the “Sony | Sound Connect” app via a BLUETOOTH connection Pairing and connecting with BLUETOOTH devices ®...
  • Page 24 Hint When pairing a second or subsequent device, you can place the speaker into pairing mode with the “Sony | Sound Connect” app. Note The connection with some smartphones and iPhone devices may become unstable when connecting using the “Sony | Sound Connect”...
  • Page 25 Help Guide Wireless Speaker ULT TOWER 9AC Pairing and connecting with BLUETOOTH devices Pairing is the process required to mutually register the information on BLUETOOTH devices to be connected wirelessly. To pair with a second or subsequent BLUETOOTH device, perform the following pairing procedure for each device.
  • Page 26 When the speaker is paired with a BLUETOOTH device for the first time after purchase or after it has been initialized (the speaker has no pairing information), it will automatically enter pairing mode when it is turned on. Proceed to step 5. When the indicator is flashing slowly The speaker is searching for BLUETOOTH connections.
  • Page 27 (pairing mode). Perform the pairing procedure on the BLUETOOTH device to detect the speaker. When a list of detected devices appears on the display of the BLUETOOTH device, select “ULT TOWER 9AC.” If a passkey is required on the display of the BLUETOOTH device, enter “0000.”...
  • Page 28 The above instructions on the BLUETOOTH device are provided as an example. For details, refer to the operating instructions supplied with the BLUETOOTH device. With the “Sony | Sound Connect” app, you can establish/disconnect BLUETOOTH connections, unpair BLUETOOTH devices, and more.
  • Page 29 When using the Stereo Pair function or the Party Connect function, you cannot use the multipoint connection capability. Related Topic Connecting the speaker concurrently with 2 BLUETOOTH devices (multipoint connection) Listening to music of a device via a BLUETOOTH connection Terminating the BLUETOOTH connection (After use) 5-064-366-11(1) Copyright 2025 Sony Corporation...
  • Page 30 Help Guide Wireless Speaker ULT TOWER 9AC ® Connecting with a computer via a BLUETOOTH connection (Windows Pairing is the process required to mutually register the information on BLUETOOTH devices to be connected wirelessly. It is necessary to pair a device with the speaker to be able to make a BLUETOOTH connection for the first time. Perform the same procedures to pair to other devices.
  • Page 31 When the indicator is double flashing When the speaker is paired with a BLUETOOTH device for the first time after purchase or after it has been initialized (the speaker has no pairing information), it will automatically enter pairing mode when it is turned on. Proceed to step 5.
  • Page 32 When the indicator stays lit The speaker is already connected with one of the BLUETOOTH devices. To connect the speaker with another BLUETOOTH device, do either of the following: To pair the speaker with a second or subsequent BLUETOOTH device (when the speaker has pairing information of other BLUETOOTH devices), proceed to step 4.
  • Page 33 On Windows 11 Click the [Start] button, then [Settings]. Click [Bluetooth & devices]. Click the [Bluetooth] switch to turn on the BLUETOOTH function, and then click [Add device]. Click [Bluetooth]. Select [ULT TOWER 9AC].
  • Page 34 If a passkey* is required, enter “0000.” If [ULT TOWER 9AC] does not appear, perform the operation again from step 4. The passkey may be called a “passcode,” “PIN code,” “PIN number,” or “password.” After pairing, the BLUETOOTH connection establishes automatically and [Connected music] or [Connected voice, music] will be displayed on the screen.
  • Page 35 Select [ULT TOWER 9AC]. If a passkey* is required, enter “0000.” If [ULT TOWER 9AC] does not appear, perform the operation again from step 4. The passkey may be called a “passcode,” “PIN code,” “PIN number,” or “password.” After pairing, the BLUETOOTH connection establishes automatically and [Connected music] or [Connected voice, music] will be displayed on the screen.
  • Page 36 Click the [Start] button, then [Settings]. Click [Devices]. Select [ULT TOWER 9AC] under “Audio” on the [Bluetooth & other devices] tab, and then click [Connect]. The icon on the screen may look different from what you actually see. When a BLUETOOTH connection is established, [Connected music] or [Connected voice, music] will be displayed on the screen.
  • Page 37 In addition, not all the computers are tested and found compatible with the above procedure and the procedure is not applicable to home-built computers. With the “Sony | Sound Connect” app, you can establish/disconnect BLUETOOTH connections, unpair BLUETOOTH devices, and more.
  • Page 38 Listening to music of a device via a BLUETOOTH connection Terminating the BLUETOOTH connection (After use) 5-064-366-11(1) Copyright 2025 Sony Corporation...
  • Page 39 Help Guide Wireless Speaker ULT TOWER 9AC Connecting with a computer via a BLUETOOTH connection (Mac) Pairing is the process required to mutually register the information on BLUETOOTH devices to be connected wirelessly. It is necessary to pair a device with the speaker to be able to make a BLUETOOTH connection for the first time. Perform the same procedures to pair to other devices.
  • Page 40 When the indicator is double flashing When the speaker is paired with a BLUETOOTH device for the first time after purchase or after it has been initialized (the speaker has no pairing information), it will automatically enter pairing mode when it is turned on. Proceed to step 5.
  • Page 41 When the indicator stays lit The speaker is already connected with one of the BLUETOOTH devices. To connect the speaker with another BLUETOOTH device, do either of the following: To pair the speaker with a second or subsequent BLUETOOTH device (when the speaker has pairing information of other BLUETOOTH devices), proceed to step 4.
  • Page 42 (BLUETOOTH) indicator on the speaker changes from flashing to lit. If the connection attempt fails, repeat the procedure from step 4. Click the speaker icon in the top-right of the screen and select [ULT TOWER 9AC] from [Output Device]. You can enjoy playing back music, etc. from your computer.
  • Page 43 In addition, not all the computers are tested and found compatible with the above procedure and the procedure is not applicable to home-built computers. With the “Sony | Sound Connect” app, you can establish/disconnect BLUETOOTH connections, unpair BLUETOOTH devices, and more.
  • Page 44 For details about the BLUETOOTH connection procedure, see one of the following that is applicable to your device. Connecting to BLUETOOTH devices easily with the “Sony | Sound Connect” app via a BLUETOOTH connection Pairing and connecting with BLUETOOTH devices ®...
  • Page 45 Operate the second BLUETOOTH device to search for the speaker. Follow the on-screen instructions to establish a BLUETOOTH connection. When a BLUETOOTH connection is established, you hear the notification sound from the speaker and the activity of (BLUETOOTH) indicator on the speaker changes from flashing to lit. Changing the BLUETOOTH devices in multipoint connection While keeping the speaker connected with 2 devices in multipoint connection, you can attempt to connect another device via a BLUETOOTH connection.
  • Page 46 Depending on the BLUETOOTH device, you may not be able to use the multipoint connection capability. The multipoint connection cannot be disabled. Related Topic Connecting to BLUETOOTH devices easily with the “Sony | Sound Connect” app via a BLUETOOTH connection Pairing and connecting with BLUETOOTH devices ®...
  • Page 47 Use the “Sony | Sound Connect” app to make setup of the TV Sound Booster function. Be sure to install the “Sony | Sound Connect” app on your mobile device, such as a smartphone, in advance. Connect the speaker with a TV.
  • Page 48 Note If calibration of synchronization by the “Sony | Sound Connect” app does not solve the issue of audio delay between the TV and the speaker, see Troubleshooting. While the TV Sound Booster function is activated, the 4 speaker components (2 tweeters and 2 midrange speaker) on the front side of the speaker are disabled to optimize the audio output for the combined use with a connected TV.
  • Page 49 Help Guide Wireless Speaker ULT TOWER 9AC Listening to TV audio (without use of the TV Sound Booster function) Connect the speaker with a TV. For details, refer to Connecting the speaker with a Turn on the speaker. Tap OPTICAL IN on the speaker.
  • Page 50 Hint When sound comes out both from the speaker and the TV, turn off the sound volume of the TV. You can adjust the sound volume of the speaker with the “Sony | Sound Connect” app as well. Related Topic...

  • Page 51: Listening To Music Of A Usb Device

    Connect a USB device to the PLAY/CHARGE OUTPUT port (USB) on the speaker. Tap USB on the speaker. (play) on the speaker to start playback. You can use the “Sony | Sound Connect” app for playback operations or effortless music selection from the music list on the USB device. With (play) on the speaker, you can perform the following operations as well.
  • Page 52 The port, connector, and jacks on the speaker are not designed for water resistant. Do not use the speaker in places where the speaker is likely to have water splashed on it. When you are finished with using the speaker, be sure to securely close the caps. Related Topic Connecting with a USB device 5-064-366-11(1) Copyright 2025 Sony Corporation...
  • Page 53 Help Guide Wireless Speaker ULT TOWER 9AC Listening to music of a device via a BLUETOOTH connection You can enjoy listening to music of a BLUETOOTH device and operate it by the speaker via a BLUETOOTH connection if it supports the following BLUETOOTH profiles.
  • Page 54 Start playback on the BLUETOOTH device. Adjust the volume by tapping –/+ (volume) on the speaker or operating the BLUETOOTH device. When you tap –/+ (volume) on the speaker, the (power) indicator on the speaker and the lights on the handle flash once or 3 times in white.
  • Page 55 Noise or sound interruption may occur depending on the BLUETOOTH device connected with the speaker, the communication environment or the usage environment. Related Topic Connecting the speaker to an AC outlet Terminating the BLUETOOTH connection (After use) 5-064-366-11(1) Copyright 2025 Sony Corporation...
  • Page 56 When the speaker is connected with BLUETOOTH devices, all the connections are automatically disconnected and reestablished, and then the preference turns effective. When using the “Sony | Sound Connect” app Start the “Sony | Sound Connect” app. Select either of the codec preferences through [Bluetooth Connection Quality]: [Prioritize Sound Quality] or...
  • Page 57 BLUETOOTH device and ambient conditions. In such a case, change the BLUETOOTH connection quality to the “Prioritize Stable Connection” preference. Related Topic Using the BLUETOOTH standby (auto power on) function Supported codecs What you can do with the “Sony | Sound Connect” app 5-064-366-11(1) Copyright 2025 Sony Corporation...

  • Page 58: Supported Codecs

    AAC is mainly used by Apple products such as iPhone that can provide a higher sound quality than that of SBC. LDAC LDAC is an audio coding technology developed by Sony that enables transmission of High-Resolution (Hi-Res) Audio contents, even via BLUETOOTH connections.

  • Page 59: Terminating The Bluetooth Connection (After Use)

    When you finish playing music, the BLUETOOTH connection may terminate automatically depending on the BLUETOOTH device. Related Topic Turning the power off Automatic Power Off (power saving) function What you can do with the “Sony | Sound Connect” app 5-064-366-11(1) Copyright 2025 Sony Corporation...

  • Page 60: Turning On Or Off The Bluetooth Function

    BLUETOOTH function of the device remains active. Note You cannot perform the following operations when the BLUETOOTH function is set to off: Pair and/or connect with BLUETOOTH device. Use the “Sony | Sound Connect” app. 5-064-366-11(1) Copyright 2025 Sony Corporation...
  • Page 61 Help Guide Wireless Speaker ULT TOWER 9AC Listening to music of a portable audio device, etc. through a wired connection You can listen to music from a portable audio device or similar device through the speaker by connecting the device with an audio cable (commercially available).
  • Page 62 The port, connector, and jacks on the speaker are not designed for water resistant. Do not use the speaker in places where the speaker is likely to have water splashed on it. When you are finished with using the speaker, be sure to securely close the caps. 5-064-366-11(1) Copyright 2025 Sony Corporation...
  • Page 63 On the “Sony | Sound Connect” app, tap [Sound Effect], then select one of [Off], [ULT1], or [ULT2]. Hint By using the “Sony | Sound Connect” app, you can turn on or off the notification sound when pressing the ULT button. Adjusting the equalizer setting to your preference (CUSTOM) On the “Sony | Sound Connect”...
  • Page 64 At the time of purchase, Sound Field Optimization is set to on. To change the Sound Field Optimization setting On the “Sony | Sound Connect” app, change the [Sound Field Optimization] setting. Note In some cases, the surrounding noise may prevent the sound from being optimized.
  • Page 65 ULT TOWER 9AC Listening to music wirelessly with 2 speakers (Stereo Pair function) To use the Stereo Pair function, 2 ULT TOWER 9AC speakers are required. By connecting 2 speakers via a BLUETOOTH connection, you can enjoy more powerful sound.
  • Page 66 You hear the notification sound and the (BLUETOOTH) indicator and the STEREO PAIR indicator on the speaker flash slowly. In about 5 seconds, you will hear the notification sound from the speaker again and the STEREO PAIR indicator on the speaker will stop flashing and stay lit. On the other speaker, tap STEREO PAIR on the speaker.
  • Page 67 Hint When the 2 speakers are immediately connected by the Stereo Pair function, the (BLUETOOTH) indicator and the STEREO PAIR indicator may not flash and the STEREO PAIR indicator may light instead. Set up the second speaker within 1 minute. If you do not set it up within 1 minute, the setting of the first speaker will be canceled.
  • Page 68 While the Stereo Pair function is activated, any attempt, which is made from the connected BLUETOOTH device, to start the second speaker fails. Related Topic Using the BLUETOOTH standby (auto power on) function How to keep the software up-to-date (for comfortable use of the speaker) 5-064-366-11(1) Copyright 2025 Sony Corporation...
  • Page 69 Speakers that require the “Sony | Music Center” app to use the Party Connect function cannot connect to ULT TOWER 9AC using the “Sony | Music Center” app. To connect, update the software of the speakers to the latest version, and you will be able to connect to ULT TOWER 9AC using the speaker buttons.
  • Page 70 Connect a second speaker. The following operation is an example of connecting ULT TOWER 9AC as the second speaker. Refer to the operating instructions supplied with the device you are using to connect other devices compatible with the Party Connect function.
  • Page 71 Hint Connect the second speaker within 1 minute. After 1 minute or more, the speaker setting is canceled. Connect a third or more speakers. To connect additional speakers, repeat step 2. Hint When connecting a third or more speakers, connect each one within 30 seconds of connecting the previous speaker. After 30 seconds or more, the speaker cannot be connected.
  • Page 72 Deactivating the Party Connect function gives no effect on the established BLUETOOTH connection and the speaker remains in BLUETOOTH mode. When watching movies using the Party Connect function, there may be a gap between video and audio. Related Topic How to keep the software up-to-date (for comfortable use of the speaker) 5-064-366-11(1) Copyright 2025 Sony Corporation...

  • Page 73: Using An External Microphone

    Help Guide Wireless Speaker ULT TOWER 9AC Using an external microphone You can output your voice from the speaker by connecting a dynamic microphone with a normal plug (Φ 6.3 mm) (commercially available). Turn the MIC level knob or the MIC and GUITAR level knob on the speaker to MIN to reduce the microphone volume level.
  • Page 74 The port, connector, and jacks on the speaker are not designed for water resistant. Do not use the speaker in places where the speaker is likely to have water splashed on it. When you are finished with using the speaker, be sure to securely close the caps. 5-064-366-11(1) Copyright 2025 Sony Corporation...
  • Page 75 Help Guide Wireless Speaker ULT TOWER 9AC Enjoying sound from a guitar You can listen to sound from your guitar by connecting it to the MIC2/GUITAR jack (Φ 6.3 mm) on the speaker. By connecting microphones (commercially available) to the MIC1 jack (Φ 6.3 mm) on the speaker, you can play the guitar and sing along as well.
  • Page 76 5-064-366-11(1) Copyright 2025 Sony Corporation...
  • Page 77 ULT TOWER 9AC What you can do with the “Sony | Sound Connect” app While the smartphone, on which the “Sony | Sound Connect” app is installed, and the speaker are connected via a BLUETOOTH connection, the operations listed below are available.
  • Page 78 Connecting the speaker concurrently with 2 BLUETOOTH devices (multipoint connection) Selecting the quality for music playback via a BLUETOOTH connection (Codec) Installing the “Sony | Sound Connect” app How to keep the software up-to-date (for comfortable use of the speaker)
  • Page 79 ULT TOWER 9AC Installing the “Sony | Sound Connect” app Download the “Sony | Sound Connect” app from the Google Play store or the App Store, and install the app on your smartphone. When the installation is complete, start the “Sony | Sound Connect” app.
  • Page 80 Accessing support information from the “Sony | Sound Connect” app You can access the latest support information from the “Sony | Sound Connect” app. Select [Help] on the “Sony | Sound Connect” app screen to open the support page. Select the desired item.
  • Page 81 How to keep the software up-to-date (for comfortable use of the speaker) By having the latest update applied to the speaker software using the “Sony | Sound Connect” app, you can enjoy new features, as well as troubleshoot some issues.

  • Page 82: About The Indicators

    Help Guide Wireless Speaker ULT TOWER 9AC About the indicators (power) indicator Unlit The speaker is turned off. Lit (white) The speaker is turned on. Lit (orange) The speaker is turned off. The BLUETOOTH standby function is activated. Each time you tap –/+ (volume) on the speaker, the indicator flashes once in white.
  • Page 83 Quadruple The software update for the speaker failed. flashing (orange) Depending on the situation, you may not be able to see all flashing patterns. (BLUETOOTH) indicator (blue) Unlit The BLUETOOTH function is not activated on the speaker. The speaker is connected to a BLUETOOTH device. The software update failed.
  • Page 84 The speaker is waiting for a BLUETOOTH device to connect to. Slow flashing Multi color indicator (ULT button) The sound mode is set to ULT1 or ULT2. Unlit The sound mode is set to other than ULT1 or ULT2. GUITAR indicator (white) The speaker is in guitar mode.
  • Page 85 Stereo Pair function fails. The Stereo Pair function is used on the speaker. Related Topic Parts and controls What you can do with the “Sony | Sound Connect” app 5-064-366-11(1) Copyright 2025 Sony Corporation...

  • Page 86: Other Notes

    Help Guide Wireless Speaker ULT TOWER 9AC Precautions On safety Refer to the Reference Guide supplied with the speaker. Important information such as the model name is located on the inner surface of the cap on the rear side of the speaker.
  • Page 87 If sand or dust adheres to the caster wheels' axles, or grass or lint gets wrapped around them, the caster wheels may malfunction. If you have any questions or problems concerning this speaker that are not covered in this manual, please consult Sony support contact or your nearest Sony dealer. 5-064-366-11(1) Copyright 2025 Sony Corporation...
  • Page 88 Depending on the type of dirt, it may not be possible to remove it. Note If the surface of the speaker gets dirty, do not use detergent, thinner, benzine, alcohol, etc. to clean the speaker. 5-064-366-11(1) Copyright 2025 Sony Corporation...

  • Page 89: About The Bluetooth Wireless Technology

    Help Guide Wireless Speaker ULT TOWER 9AC About the BLUETOOTH wireless technology The BLUETOOTH wireless technology is a short-range wireless technology that enables communication between digital devices, such as smartphones and computers. Supported version and profiles of the BLUETOOTH standard A profile is a set of functions standardized for every characteristic of BLUETOOTH devices.
  • Page 90 A device with a built-in radio or tuner cannot be connected to the speaker via a BLUETOOTH connection since noise may occur in broadcasts. Locate the speaker farther away from a TV, radio or tuner, etc. since noise may occur in broadcasts. 5-064-366-11(1) Copyright 2025 Sony Corporation...
  • Page 91 ULT TOWER 9AC Licenses This product contains software that Sony uses under a licensing agreement with the owner of its copyright. We are obligated to announce the contents of the agreement to customers under requirement by the owner of copyright for the software.
  • Page 92 Sony Group Corporation and its subsidiaries is under license. LDAC and LDAC logo are trademarks of Sony Group Corporation or its affiliates. All other trademarks and registered trademarks are trademarks or registered trademarks of their respective holders. In this manual, ™...

  • Page 93: Troubleshooting

    2. Restart the device being connected such as your smartphone or computer. 3. Access the Sony support site from the menu of the “Sony | Sound Connect” app to search for the cause and solution of the issue, or check the support site below.
  • Page 94 After pairing the speaker with a new device, turn off the speaker and turn it back on, and then restart the speaker. Restarting the speaker may change its volume, function, or sound settings. 5-064-366-11(1) Copyright 2025 Sony Corporation...

  • Page 95: Initializing The Speaker

    The speaker is initialized. Settings such as volume, etc., are restored to the default settings, and all pairing information is deleted. Note The speaker cannot be initialized while the power is off. Related Topic Pairing and connecting with BLUETOOTH devices Restarting the speaker 5-064-366-11(1) Copyright 2025 Sony Corporation...

  • Page 96: Specifications

    Help Guide Wireless Speaker ULT TOWER 9AC Specifications Speaker section Speaker system 3-way, Bass reflex Speaker Woofer unit: Approx. 320 mm × 320 mm (12.6 in × 12.6 in) (1) Midrange unit: Approx. 120 mm (4.8 in) dia. (2) Tweeter unit: Approx. 50 mm (2.0 in) dia. (2), Front Tweeter unit: Approx.
  • Page 97 11, iPhone XS Max, iPhone XS, iPhone XR, iPod touch (7th generation) (As of September 2024) Note Design and specifications are subject to change without notice. Refer to the Reference Guide included with your product, which may contain specification information not listed above. 5-064-366-11(1) Copyright 2025 Sony Corporation...

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