Alpine MRV-M500 500 Watt RMS Class "D" Mono Car Amplifier + Amp Kit 500 Watt Mono Block Class D Car Amplifier. Fourth Generation V-Power Series. 500 Watt x 1 Channel At 2 Ohm. 300 Watt x 1 Channel At 4-Ohm. Crossover Frequency (LPF): 50 - 400 Hz, -24dB/oct. EQ (Equalizer): 0 to +12dB, fc=50Hz. Power Requirements: 14.4 V.DC (11-16V allowable). Input Sensitivity (RCA Input): 0.15 - 4.0 V. Input Sensitivity (Speaker Level Input): 0.4 - 10 V Input Impedance: &gt;10k ohms. Frequency Response (+0, -3dB: 1W into 4 Ohms) for Subwoofer: 7 -400 Hz. Damping Factor (10W into 4 Ohms at 100Hz): &gt;500. Signal to Noise (1W into 4 Ohms): &gt;85 dB. Signal to Noise (Rated Power into 4 Ohms): &gt;105 dB. Remote Level: -20 to 0 dB. Terminal Layout: Two-Sided. Screw Mount / Wire Cover: Mounting Screw Terminals. Amplifier Type: Class-D (Digital) Channel Design: 1 Channel (Mono). Power Supply Design: DC-DC PWM Power Supply. Power Supply: MOSFET. Pre-Amp Stage: Discrete. Final Outputs: Power MOSFET. Crossover: Variable Lowpass Filter. Gain Control: Continuously Adjustable Gain Control. Bass EQ: Bass EQ Function. Bass Control: Remote Bass Control (RUX-KNOB) Ready. Remote Turn On: Remote Sensing Function (for RCA Input & Speaker Input) 8 Gauge 2 Channel Car Amplifier Wiring Installation Kit. (1) 17 High Grade Twisted Pair of 100% Copper RCA Cable. 17 8 Gauge Translucent Blue SuperFlex Power Cables. 17 18 Gauge Blue Remote Cable. 17 16 Gauge Clear Speaker Wire. 3 8 Gauge Clear SuperFlex Ground Wire. Gold Plated AGU Heat Resistant Fuse Holder. 60 Amp AGU Gold Plated Fuse. 7 Split Tube Loom Accessories Included: Wire Ties, Ring Terminals, Butt Connectors, Spades, and Grommets. Soft abrasion proof insulating jacket allows for 100% improved flexibility. PVC outer jacket can with-stand an extreme temperature range of -40 to 220 degrees F