There was a missing "line-in" adapter plug which I needed for my stereo setup, but the shipper (Sonicelectronix) refunded an appropriate amount for me to order the part I needed elsewhere, which was great for me!The amp works just as I expect and is a quality product

Done right this amp works perfect.

And the amp works perfect.

the amp worked fine (although I wouldn't risk playing it at full power for too long with such low voltage, although I'm sure it would be fine)

I set the cross over to the highest frequency and adjust it from my head unit for better control and barely turned up the bass boost as