SounDigital - Refurbished Excellent - XP 1200.4 2 Ohm 4 Channel 600 watt RMS at 2 Ohm Amplifier - Black

The SXE-1200.4/BK is a 4-channel car amplifier from the DS18 SXE series, built as a Class A|B design. It delivers 2 x 200 watts RMS at 4 ohms, 4 x 100 watts RMS at 2 ohms and 4 x 60 watts RMS at 4 ohms. The channels are bridgeable, so you can combine them to drive a subwoofer or a pair of higher-power speakers from the same amplifier. Total harmonic distortion is rated at 0.05% with a signal-to-noise ratio of 90dB. A selectable HPF/FULL/LPF crossover covers 40HZ-2KHZ, so you can send each channel only the frequencies it should reproduce. Bass boost is adjustable from / centered between /. Match the amplifier to the RMS rating of your speakers or subwoofers and set the gain to that rating for clean, reliable output.

SounDigital XP 1200.4 4 Channel 600 watt RMS at 4 Ohm Amplifier

The GM-DX871 is a 1-channel subwoofer amplifier that can deliver up to 800 watts RMS to your subwoofer, providing powerful bass with a strong and heavy beat. CTA-2006 compliant, this highly efficient Class D amplifier offers impressive, high-quality power in a compact chassis. The speaker-level inputs allow you to install this amp in a factory system without RCA connections. The built-in low-pass filter lets you optimize the sound for your vehicle's interior. Additionally, a wired bass control remote enables you to easily adjust the amount of bass from the subwoofer output. The GM-DX871 amplifier uses high-current, high-grade electronic components and gold-plated RCA connections to ensure maximum performance.