Memphis Audio PRXA300.4 4-Channel Class-AB Car Amplifier — 300W RMS

Compact 4-channel Class-AB amplifier featuring a diecast aluminum heatsink for efficient heat dissipation. The unit includes a hidden, top-mounted control panel and a signal-sensing auto turn-on circuit for seamless installation and operation. Audio shaping is handled by a 12dB/Octave Butterworth crossover. Built-in short circuit protection helps safeguard the amp. Power ratings: RMS Power @ 4 Ohms: 50W x 4; RMS Power @ 2 Ohm: 75W x 4.