XMSJSIY Universal RCA Level Controller Car Audio Amplifier RCA Audio

The rca amplifier is to control the gain level / volume of devices connected to the car stereo, such as speaker, amplifier, bass, etc. It is manufactured with premium material for durable and long lasting use. Excellent workmanship ensures its high practicability. Strict quality inspectation system insures you premium product and safe usage. Great and helpful accessory for your car. Remote bass level control turning knob, great accessory for car and home subwoofers, work well for your spl amp/ppl amp, balance desktop speaker system, great for stereo that does not have a bass tuner.

It is easy to install. Two rca inner hole inputs and two rca inner hole outputs are installed in or under the instrument panel. You can quickly adjust the volume of the on-board amplifier without additional wiring. Simple in and out connections, no additional wiring needed. Mini size easy to installation by DIY without manuals.
Package Include: 1*car audio amplifier 2* mounting screws