Gives you the ability to control bass for different types of music without having to readjust head unit..or gain on the amplifier..
Verified purchase: Yes | Condition: New
it works, I don't know how to make the review any better except you cannot take the cord off of it like some, so if it breaks you have to fish a new cord to the amp.
Verified purchase: Yes | Condition: New
Yes I like my massive audio bass knob thank you it's a very good item
Verified purchase: Yes | Condition: New
Did not work and i emailed them and they never responded.
Verified purchase: Yes | Condition: New
Good product
Verified purchase: Yes | Condition: New
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