Description: Five-Channel Class D System Amplifier Patented Technology: Single Cycle Control™ (U.S. Patent #6,084,450*) Differential-Balanced Input Topology: Three Stereo Pairs (Front, Rear and Sub) Front Crossover: Continously-variable (50 Hz - 500 Hz), selectable-slope (12 dB/octave Butterworth or 24 dB/octave Linkwitz-Riley) HP Rear Crossover: Continously-variable (50 Hz - 500 Hz), selectable-slope (12 dB/octave Butterworth or 24 dB/octave Linkwitz-Riley) HP Subwoofer Crossover: Continously-variable (50 Hz - 500 Hz), selectable-slope (12 dB/octave Butterworth or 24 dB/octave Linkwitz-Riley) LP Preamp Output: 2-channel (pass through or tracking LP) Infrasonic Filter: Defeatable 24dB/octave at 30 Hz Front and rear speaker output connections: Accept up to 12 AWG wire +12V and Ground connections: Accept up to 4 AWG wire Rated Power Front Channels: 100W RMS x 2 @ 4Ω (11V - 14.5V) 75W RMS x 2 @ 1.5-3Ω (11V - 14.5V) Rated Power Rear Channels: 100W RMS x 2 @ 4Ω (11V - 14.5V) 75W RMS x 2 @ 1.5-3Ω (11V - 14.5V) Rated Power Subwoofer Channel: 500W RMS x 1 @ 1.5-4Ω (11V - 14.5V) THD at Rated Power: <0.03% @ 4Ω (front and rear ch.) <0.05% @ 5 ohm (subwoofer ch.) S/N Ratio (Front & Rear Channels): >108.5 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth) S/N Ratio (Subwoofer Channel): >95 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth) Frequency Response (Front and Rear Channels): 12 Hz - 28 kHz (+0, -1dB) Frequency Response (Subwoofer Channel): 12 Hz - 10 kHz (+0, -1dB) Damping Factor (Front and Rear Channels): >400 @ 4Ω per ch. / 50 Hz >200 @ 2Ω per ch. / 50 Hz Damping Factor (Subwoofer Channel): >800 @ 4Ω / 50 Hz >400 @ 2Ω / 50 Hz Input Range: Switchable from 200mV - 2V RMS (Low) to 800mV - 8V RMS (High) Dimensions (L x W x H): 10.74 in. x 8.29 in. x 1.93 in. 273 mm x 211 mm x 49 mm (Width Measurement Includes Plugs)