JL Audio RD900/5: 5 Ch. Class D System Amplifier, 900 W
5-Channel Class D System Amplifier, 70 W x 4 @ 4 Ω + 500 W x 1 @ 2 Ω - 14.4V
Crafted as an all-in-one, total system solution, the RD900/5 is engineered to power a complete audio system consisting of a subwoofer + four satellite system with 900 watts of high-performance sound. Equipped with our exclusive NexD™ switching technology, this complete power package efficiently generates a potent 70 watts of crystal-clear audio into 4 ohms, plus a robust 500 watts for a subwoofer system, all from a single compact chassis. Each pair of main channels is also fully bridgeable, stoutly producing 200 watts of full-range audio bliss (into 4 ohms), creating an ultra-powerful 3-channel amplifier.
Conveniently located on top of the RD900/5, you’ll find a complement of studio-grade signal processing features, all hidden beneath a removable protective cover. Each pair of main channels is equipped with a 12 dB / octave high-pass filter, with a dedicated low-pass filter for its subwoofer channel. All three crossovers offer continuously variable frequency selection from 50-500 Hz, for precise filtering. Dual-range, differential-balanced inputs are also onboard, capable of accepting most input voltage levels, plus automatic turn-on capability (via signal sensing or DC-offset sensing) for maximum versatility.
LED clipping indicators are also standard equipment for each channel section. This all-new, innovative feature lets you easily set your amplifier’s input sensitivity settings, quickly and accurately, with no special equipment needed. The RD900/5 features a durable, black powder-coated finish and a top-mounted, dual-color LED light strip that reports the overall status and condition. With the addition of an RBC-1 remote level control (sold separately), you can conveniently control the subwoofer’s output remotely from the driver’s seat.
Rated Continuous (RMS) Power @ 14.4 V
|Main Channels @ 4 Ω||70 W RMS x 4|
|Main Channels @ 2 Ω||100 W RMS x 4|
|Main Channels - Bridged @ 4Ω||200 W RMS x 2|
|Subwoofer Channel @ 4 Ω||225 W RMS x 1|
|Subwoofer Channel @ 3 Ω||325 W RMS x 1|
|Subwoofer Channel @ 2 Ω||500 W RMS x 1|
|Subwoofer Channel @ 1.5 Ω||N/A|
Rated Continuous (RMS) Power @ 12.5 V
|Main Channels @ 4 Ω||60 W RMS x 4|
|Main Channels @ 2 Ω||90 W RMS x 4|
|Main Channels - Bridged @ 4Ω||180 W RMS x 2|
|Subwoofer Channel @ 4 Ω||200 W RMS x 1|
|Subwoofer Channel @ 3 Ω||250 W RMS x 1|
|Subwoofer Channel @ 2 Ω||350 W RMS x 1|
|Subwoofer Channel @ 1.5 Ω||N/A|
|Frequency Response (Main Channels)||12 Hz - 22 kHz (+0, -1dB)|
|Frequency Response (Subwoofer Channel)||10 Hz - 500 Hz (+0, -1dB)|
|S/N Ratio, referred to highest rated power (Main Channels)||>104 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)|
|S/N Ratio, referred to 1 W||>84 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)|
|Damping Factor @ 4 Ω||>150 / 50 Hz|
|Damping Factor @ 2 Ω||>75 / 50 Hz|
|THD+N @ Rated Power (Main Channels)||<1% @ 2 Ω per Ch.|
|THD+N @ Rated Power (Subwoofer Channels)||<1% @ 2 Ω per Ch.|
|Input Voltage Range @ RCA Inputs||Switchable from 200 mV - 2 V RMS (Low) to 800 mV - 8 V RMS (High)|
|Min.Copper Power / Ground Wire Gauge||4 AWG wire|
|Fuse Rating||80 A (AFS, AGU or MaxiFuse™)|
|Filter Mode(s): Channels 1 & 2 (front)||High-Pass only|
|Filter Slope(s): Channels 1 & 2 (front)||12 dB/octave|
|Filter Frequency Range: Channels 1 & 2 (front)||50 Hz - 500 Hz|
|Filter Mode(s): Channels 3 & 4 (rear)||High-Pass only|
|Filter Slope(s): Channels 3 & 4 (rear)||12 dB/octave|
|Filter Frequency Range: Channels 3 & 4||50 Hz - 500 Hz|
|Filter Mode(s): Subwoofer Channel||Low-Pass only|
|Filter Slope(s): Subwoofer Channel||12 dB/octave|
|Filter Frequency Range: Subwoofer Channel||50 Hz - 500 Hz|
|Detented, Calibrated Filter Freq. Potentiometers||No|
|Filter Defeat Function||No|
|Infrasonic Filter: Subwoofer Channel||No|
|Remote Level Control||Optional (RBC-1)|
|Remote Level Modes||Sub Ch.|
|Channel Input Mode Switch||Yes (2/4/6 ch.)|
|Pass-Through Preamp Output||No|
|Source Channel Selection for PreOuts||N/A|
|Height (H)||2.13 in / 54 mm|
|Width (W)||14.66 in / 372 mm|
|Depth (D)||6.96 in / 177 mm|
|Net Weight||6.15 lb / 2.79 kg|
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Our policy lasts 30 days. If 30 days or less have gone by since your purchase, we are happy to issue a refund or exchange.
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