Brand New Alpine MRX-M110 X Series Mono 1100 Watt RMS Digital Car Audio AmplifierFeatures: Alpine MRX-M110 X Series 1100 Watt Digital Mono Car Audio Amplifier RMS Power: 1100 Watts RMS Power @ 4 Ohms: 650 Watts x 1 Channel RMS Power @ 2 Ohms: 1100 Watts x 1 Channel S/N: 90dB Remote bass knob compatible (RUX-KNOB, sold separately) CEA-2006 rating Amplifier Type: Class-D (Digital) Channel Design: 1 Channel (Mono) Thermal Control: Thermal Management Control Power Supply: DC-DC PWM Power Supply Power Supply Design: MOSFET Power Board Circuitry: S.T.A.R. Circuitry Current Protection: Over-Current, Over-Voltage and Thermal Protection Power Indicator: Top Mounted Blue LED Power Indicator RCA Output: RCA Preout Connectors Speaker-Level Inputs: Speaker Level Inputs Crossover: Adjustable Low-Pass Filter Final Outputs: Direct FET Output Board Design: 6th Layer PC Board Gain Control: Continuously Adjustable Gain Control Bass Control: Remote Bass Control Bass EQ: Variable Bass EQ Subsonic Filter: Variable Subsonic Filter Power Requirements: 14.4V DC (11V to 16V) Input Sensitivity (RCA Input): 0.2 - 4.0V (Rated power into 4I?) Input Sensitivity (Speaker Level Input): 0.5 - 10V (Rated power into 4I?) Input Impedance: > 10kI? Frequency Response (+0, -3dB: 1W into 4 Ohms) for Subwoofer: 5-400Hz Frequency Response (+0, -1dB: 1W into 4 Ohms) for Subwoofer: 10-300Hz THD+N (10W into 4 Ohms) for Subwoofer: 1000 (10W into 4 ohms at 100Hz) Signal to Noise (Rated Power into 4 Ohms) for Subwoofer: 117dB (IHF A weighted + AES17, Rated Power into 4 ohms) Preamp Output: 4V (Max.) Remote Level: 0 to -20dB (RUX-KNOB required) Weight: 3.8kg