Titan Series 1-Channel Class D Car Amplifier RMS Power Rating: 4 ohms: 450 watts x 1 chan. 2 ohms: 900 watts x 1 chan. 1 ohm: 1500 watts x 1 chan. PWM MOSFET power supply Wired remote bass level control included LED power and protection indicators Tuned Bass EQ (0-10 dB bass boost at 45 Hz) Mono channel operation SPC Twin Turbo-Torroids with Simpatico Coil Design Preamp RCA outputs Heavy duty aluminum alloy heatsink Silver-plated RCA level inputs Variable low-pass filter (35-250 Hz, 24 dB/octave) Variable Subsonic Filter(15-35 Hz) Frequency response: 15-250 Hz Dimensions: 13.78L x 9.06W x 2.4H 4-gauge power and ground leads recommended. Contact us for information regarding a discount on a select amplifier kit when purchased together