Hifonics 35th Year Anniversary LTD HS35-1200.4 Amplifier Super Class AB 2-Ohm Stable 4-Channel Amplifier Power Rating: 4 ohms: 75 watts x 4 chan. 2 ohms: 150 watts x 4 chan. 4 ohms Bridged: 600 watts x 2 chan. Twin Turbo Coil PS Pulse Width Modulated MOSFET power supply - keeps voltage constant through the Ultra-Fi output devices LED power (green) and protect (red) indicators Soft start turn-on 4, 3 or 2 channel operation Preamp RCA outputs to daisy chain multiple amps 3-way protection circuitry (thermal, overload, and speaker short protection) Heavy duty aluminum alloy heat-sink for extreme heat dissipation Nickel plated RCA, speaker and power connections Input sensitivity: 200mV - 6V Frequency Response: 20 - 45,000 Hz Signal to Noise Ration: >85dB Selectable crossover modes: Full / LPF / HPF Variable low-pass filter: 30 - 1,500 Hz, 12 dB/octave Variable high-pass filter: 10- 1,500 Hz, 12 dB/octave Variable Bass Boost: 0 to +9 dB bass boost at 45Hz Fuse Rating: 35 A x 2 Kicker 12in comp 4 ohm DVC, ported box $500 or trade