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Poor sound quality from product | Bose Home Speaker 450
Determine if the problem is specifically related to bass performance.
If there is too little bass, see Too little bass or too much treble from product.
If there is too much bass, see Too much bass or too little treble from product.
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.
Check the bass and treble controls for your product.
Be sure the bass and treble adjustments are not set too high or too low for your preferences. For more info, see Adjusting the tone controls on your product.
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.
Reboot the Bluetooth® device.
Electronics, such as cell phones, tablets or computers, might need to be reset on occasion to correct minor issues. This is typically done by shutting down the device, then powering it on again.
Try connecting a different audio device.
If available, connect another audio device using the same cables and connections to determine if the issue is related to the first device or its settings.
Check for sources of interference.
Electronics can pick up interference from other electronics connected to the same power circuit or connected within close proximity. Try disconnecting the power cord from any such nearby electronics (i.e. laptop/phone charger, TV, cable box, seasonal lights, microwave, etc.). If the issue is resolved, try connecting the device or your product to a different power circuit or farther away.
Determine if the issue is coming from the right side of the speaker.
It is normal for a rattling noise to be heard from the right side of the speaker during bass-heavy and/or high-volume audio. This noise is known as "port noise," which can be produced by the movement of speakers in a ported enclosure. Try reducing the system's bass level (see Adjusting the tone controls on your product) or lowering the volume level. If playing from a connected Bluetooth® or AUX device, be sure no bass EQ or audio processing is enabled in the sound settings of the device and the app used to play audio.
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