MB Quart - Reference 280W Class D 4-Channel Amplifier - Black

Boost the sound of vehicle door speakers with this KICKER four-channel amplifier. The variable bass boost lets you easily tune the system as desired, and Fail-safe Integration Technology-PLUS provides clear sounds with its noise rejection. This KICKER four-channel amplifier features high-efficiency heat sinks, preventing overheating during long periods of use.

Enhance your audio system with this Alpine Power Pack 4-channel car amp. The Dynamic Peak Power technology doubles the amplifier's output power on musical peaks by providing a quick energy boost when needed. This Alpine Power Pack 4-channel car amp delivers 50 watts RMS per channel for maximum output, and the tiny chassis ensures it fits anywhere in your vehicle.

Memphis Audio MJP800.4 4-Channel 800 Watt Amplifier - 200 Watts RMS x 4 at 2-Ohm — Features: Extruded aluminum Heatsink; 12dB/octave butterworth crossovers; Variable crossovers; 3 EQ boost settings - 0, 6, 12dB; Strap-able mono block amps. Specifications: RMS Power/CH @ 4: 125x4; RMS Power/CH @ 2: 200x4; RMS Power/CH @ 1: na; RMS Power/Bridge 4 Ohms: 400x2; THD: 80dB; Frequency Response ± 0.5dB: 10Hz – 25kHz; Crossover Frequency (HPF): 50-250kHz; Crossover Frequency (LPF): 50-250Hz; Subsonic: na; Dimensions (in): 7.5 x 2 x 8.7"; Input Range: 400mV - 7.5V LOW LEVEL, 3V-20V HIGH LEVEL; Crossover slope: 12db crossovers.