Image Dynamics SQ800.4 800W 4ch. Full Range Digital Amplifier

International Rectifier® Chip Set Ultra Low Current Draw High Damping Control Circuit  High Efficiency SMD Circuit Technology  Double Sided Copper Plated PCB  Digital Sound Optimization Circuitry  Quiet Switching  High Current Voltage Ripple Rejection Circuitry  Virtual Silence Turn On/Off Mute Circuit  Temperature Controlled Output Current Limiting Protection  Wired Remote Level Control  Balanced RCA Input Connectors  40 Click Bass Freq Control  40 Click Sub-Sonic Filter Control  40 Click LPF Control   SQ800.4 800W 4ch. Full Range Digital Amplifier  200W RMS x 4 @ 2Ω / 100W RMS x 4 @ 4Ω / 400W x 2 @ 4Ω   IR Full Range Digital SQ Series Amplifiers feature the latest International Rectifier® (IR) circuitry, delivering more power without rollback. They provide more power on demand in a compact design without sacrificing the precise sound quality and reliability demands of the most discerning audiophile.  IR®, a leader in PWM circuit design, has worked with Image Dynamics engineers to produce the most stable power output possible with minimal RF interference and improved sound quality. From the precision clicks of the rotary settings to the sleek lines of the heat sync, the SQ Series amplifiers are the perfect match to power your Image Dynamics sound stage.   Specifications Selectable Subwoofer EQ: 0 / 9dB / 18dB Inputs: RCA Height: 2" Width: 7.25" Depth: 10.5" 4-ohm Mono Power: 400W x 2 4-ohm Power: 100W 2-ohm Power: 200W Subwoofer EQ Frequency: 45Hz Low-Pass Crossover Freq: 30Hz-300Hz High-Pass Crossover Freq: 50Hz-300Hz Peak Power: 800W Crossover Slope: 12dB Dimensions (in Inches): 10.5"x7.25"x2.0" Input Sensitivity: 250mv - 10.0V RMS S/N Ratio: >95dB Total Harmonic Distortion: 0.1% Output Power (14.4 V) @ 4 ohm: 400W Output Power (14.4 V) @ 2 ohm: 200W Channels (mono): 4 Frequency Response: 10Hz-30kHz