$89.00 600W 4-Channel GTX Series Car Amplifier General FeaturesPower Output 60W x 4 @ 4-Ohms 70W x 4 @ 2-Ohms General Features Pulse modulated MOSFET power supply LED power (green) and protect (red) indicators Soft Start Turn-on 4/3 channel operation Speaker-level (high-level) inputs with signal sensing for automatic turn-on Heavy duty aluminum alloy heatsink for extreme heat dissipation Gold-plated RCA level inputs Gold-plated screw terminals Variable high-pass filter (80 Hz, 12 dB/octave) Variable low-pass filter (80 Hz, 18 dB/octave) Frequency response: 5-50,000 Hz Signal-to-Noise ratio: 100 dB THD (Total Harmonic Distortion): 0.05% Dimensions: 10"D x 14-3/4"W x 2-1/4"H More...