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Too little bass or too much treble from product | 131™ Marine Speaker System
Adjust bass and treble controls on the connected audio device.
Many devices have sound options, like bass and treble controls or compression. Check the device menu for sound processing options and disable them. If the issue is resolved, re-add only the necessary sound options. For adjustable options, try small adjustments.
Check the speaker ports for debris.
Speakers left outside can accumulate environmental debris. Make sure all ports and grille areas are free from debris which can limit the audio performance.
Try a different audio device.
Connect and play another audio device through your product. This can help determine if the issue is isolated to the first device.
Be sure the speakers are connected properly to the receiver.
Check the speaker wire connections so they are wired properly and firmly to the positive and negative terminals. There should be no exposed wires as this risks damaging the receiver or tripping its circuit protection mode. Also, be sure the proper set of speaker terminals are being used; many receivers have an "A Speaker" and "B Speaker" section. See the receiver's owners guide for more information.
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