JL Audio HD900/5

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 @ 4ohms (11V - 14.5V) 75W RMS x 2 @ 1.5-3ohms (11V - 14.5V)
Rated Power Rear Channels: 100W RMS x 2 @ 4ohms (11V - 14.5V) 75W RMS x 2 @ 1.5-3ohms(11V - 14.5V)
Rated Power Subwoofer Channel: 500W RMS x 1 @ 1.5-4?? (11V - 14.5V)
THD at Rated Power: <0.03% @ 4?? (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 @ 4ohms per ch. / 50 Hz
>200 @ 2?? per ch. / 50 Hz
Damping Factor (Subwoofer Channel): >800 @ 4ohms / 50 Hz
>400 @ 2?? / 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)