Sold Out PRV Audio QS400.4 2-Ohm Mini Compact 4-Channel Car Audio Amplifier 4 x 100 Watts QS Series amplifiers are all about efficient design capable of full-range frequency response at a great price! The QS400.4 features a regulated power supply that is able to constantly deliver... MSRP: Was: Now: $79.91 More Info Out of stock
