JL Audio RD900/5 5-Channel Class D System Amplifier, 70 W x 4 @ 4 Ω + 500 W x 1 @ 2 Ω – 14.4V

$999.00
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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 RBC-1 remote level control (sold separately), you can conveniently control the subwoofer’s output remotely from the driver’s seat.

GENERAL SPECIFICATIONS:

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™)