JL Audio RD900/5 5 Ch. Class D System Amplifier 900 W – #98642

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JL Audio RD900-5 – 5 Ch. Class D System Amplifier 900 W

  • 5 Channel System Amplifier
  • 75 Watts x 4 + 250 W x 1 @ 4 ohm
  • 100 Watts x 4 + 500 W x 1 @ 2 ohm
  • NexD amplifier technology
  • 70 watts of crystal-clear audio into 4 ohms

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SKU: 98642 Item #: 98642 Category:

Product Description

JL Audio RD900-5 – 5 Ch. Class D System Amplifier 900 W

Crafted as an all-in-one, total system solution, the JL Audio 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 JL Audio’s 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 JL Audio 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 JL Audio 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.

NexD™ Switching Technology

NexD amplifier technologies produce exceptional audio quality, unsurpassed total efficiency and high power from very compact amplifier designs.

For the full-range NexD™ amplifiers and channels JL Audio applied a variable, ultra-high speed version of the NexD™ technology (switching at well over 400 kHz). In these designs, a self-oscillating modulator with “feed-forward” sends information about the instantaneous power supply voltage to the modulator, combining this with the input signal to cancel out any distortion due to supply voltage fluctuation. This reduces distortion prior to applying feedback, simplifying the overall feedback loop design. The bottom line is simply great audio: clean, powerful and reliable.

Additional Information

Weight 3 kg
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

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
– 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)

Signal Processing

– 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

Mobile Amplifier Channels

5 Channel

Mobile Amplifier Class

Class D

Mobile Amplifier Fuse Rating

80

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JL Audio Canada Two (2) Year Limited Warranty

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