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No audio | SoundTouch® 30 series III wireless speaker
Turn up the volume of the connected device.
Set the device volume to 90–100% to send a strong signal to your product. Then, use your product to adjust the volume level.
Switch sources from Bluetooth® to AUX, then back to Bluetooth.
Switching to AUX and then back will make the system reconnect to the Bluetooth device.
Reset your product.
Much like rebooting a smartphone, your product might need to be reset on occasion to correct minor issues. For more information, see Resetting your product.
If using an Amazon Echo Dot, clear the Dot memory of other Bluetooth® devices.
If the Dot disconnects from your product, it and your product both look for previously-connected devices to reconnect. This can result in the two products not finding each other. To prevent this, remove all devices except your Bose product from the paired device memory of the Dot: In the Amazon Alexa app, go to Settings > Alexa device > Bluetooth, then select and Forget other devices. Now, if the Dot disconnects, it will only try to reconnect your Bose product.
Try connecting an audio device to the AUX input on the back of the system.
The 1/8" (3.5 mm) AUX input on the back of your speaker allows you to connect a variety of audio devices. Once connected, press the AUX button and play something on the device. If it plays as expected, the issue is related to wireless audio.
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