JL AUDIO (RD900/5) 5-CHANNEL CLASS D SYSTEM AMPLIFIER, 70 WATTS X 4 + 250 W X 1 @ 4 OHM / 100 WATTS X 4 + 500 W X 1 @ 2 OHM - 14.4V OVERVIEW: 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 @ 4 Ω : 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 @ 4 Ω : 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 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) :
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