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TPA3128D2: Need more Bass?

Part Number: TPA3128D2

Tool/software:

Hello,

We designed audio amp using TPA3128D2DAPR.

The shcmatics is almost the same as typicle application. Please see pic below:

It works fine but we need more bass. The datasheet says that "for flat responce we need 1uF on the input" and that is what we use:

We also tried 10uF just to e sure that it is letting everything thru.

Is there anything else we can do to enhance low frequenceys (bass)?

Thanks in advance