R2-300X4 Rockford Fosgate Prime 300W 4-Channel Class D Amplifier + 4-Ch Amp Kit
Class-D Full-Range 4-Channel Amplifier. 4-Channel amplifier. 2/4 Channel Input Selection Switch. Four 3/4" Screws. Frequency Response: 20 Hz - 20 kHz Hz. 50 watts RMS x 4 at 4 ohms. Full Range Class D.