•Reference Series Class D Monoblock Amplifier •RMS Power Rating: ◦4 ohms: 200 RMS x 1 chan. ◦2 ohms: 300 RMS x 1 chan. •Max power output: 342 RMS x 1 chan. •MOSFET power supply •LED power and protection indicators •Tuned Bass EQ (0-6 dB bass boost at 50 Hz) •IMS inputs allows connection to other Infinity expansion products •Gold-plated preamp RCA outputs •DC, overheat, over or under voltage, and short circuit amplifier protection •Gold-plated RCA level inputs •Variable low-pass filter (32-320 Hz, 12 dB/octave) •CEA-2006 compliant amplifier •Also found as: REF1300A •Frequency response: 11-330 Hz •Efficiency: 85 dB •Dimensions: 14-3/4"L x 9"W x 2-11/16H •4-gauge power and ground leads recommended. Contact us for information regarding a discount on a select amplifier kit when purchased together.