Set of 2 ) PAC LC-1 (LC1) Universal Car Amp Bass Knob RCA Level Amp Volume Control Knob - Walmart.com
Speakers | Car Electronics | KENWOOD New Zealand
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Kenwood XR1001-1 Reference Fit Mono Power Amplifier with 1000W x 1 output at 2 ohms, 2000W maximum power, Bass Knob Included, Speaker level Inputs and Signal Sensing Turn On - Creative Audio