MTX 564 Thunder 4 channel Car Amp

Features & Specs
High-level performance is what MTX amplifiers are all about. The sound pros at MTX subject each Thunder amp to rigorous bench testing before they'll let it ship, and they pack each model full of features designed with you, the music lover and audio enthusiast, in mind.
Little switch is broke but can be slid over with a pin.

Features
70 watts RMS x 4 at 4 ohms
140 watts RMS x 4 at 2 ohms
280 watts RMS x 2 bridged output at 4 ohms
2-, 3-, or 4-channel output
4-ohm stable in bridged mode
Tri-way capable (Tri-Way crossover required)
requires 4-gauge power and ground leads — wiring and hardware not included with amplifier
PWM MOSFET switching power supply
variable 50-200 Hz high-pass/low-pass crossovers (12 dB/octave high-pass, 24 dB/octave low-pass)
ThunderEQ bass boost (up to 18 dB at 40 Hz)
preamp outputs
13-15/16"W x 2-1/8"H x 9-3/4"D