SKU: 64176760087

JL Audio RD900/5 : 5ch Amplifier, 4ch x 70W/100W + Mono 225W/500W @ 4Ω/2Ω

Sale price$306.00 Regular price$340.00
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Description

JL Audio RD900/5 : 5ch Amplifier, 4ch x 70W/100W + Mono 225W/500W @ 4Ω/2ΩRD Series 5 Channel Automotive Amplifier, 70 Watts x 4ch + 500 Watt Mono @ 2 Ohm or 225 Watt @ 4 Ohm. 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 JL's exclusive NexD switching technology, this complete power package efficiently generates a potent 70 watts of crystal clear audio into 4

RD-Series 5-Channel Automotive Amplifier, 70-Watts x 4ch + 500-Watt Mono @ 2-Ohm or 225-Watt @ 4-Ohm.

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 JL'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 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.

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™)
Output Specifications
  • 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
Documentation
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 64176760087

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4.5 ★★★★★
Based on 8 reviews
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M
Verified Purchase
Miguel
Battle Creek, US
★★★★★ 5
Great wiring harness for light installations.
Size: 16AWG Wiring Harness-2 Leads, Size: 16AWG Wiring Harness-2 Leads
This is a great wiring harness for LED lights. These come in one or two leads application. All that means is that they come ready for one or two lights, depending on your installation. The plug in connectors for each light comes with the set so that is a plus. I’ve attached a picture of the plug/connector for the lights so you can take a look at them. Although the relay is an “overkill” for low wattage LEDs, it’s OK to have it just in case you decide to change your lights for larger ones or halogens, in the future. In my case I will be using this harness in my motorcycle. It is very long for my need, which is great for cars, but too long for motorcycles since you have to remember that room/space is scarce in motorcycles. I ended up cutting the wires to my desired length and using heat shrink butt connectors and “glued” heat shrink covers for waterproofing the connection points. All in all these are great quality and I am very happy with them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 16, 2020
M
Verified Purchase
Marina De Leon
Draper, US
★★★★★ 5
Nice
Size: 16AWG Wiring Harness-2 Leads
Worked great, easy to install
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 8, 2026
D
Verified Purchase
Dan from Georgia
Carnegie, US
★★★★★ 4
Wire length between the two connectors is short for a full-size pickup
Size: 16AWG Wiring Harness-2 Leads
I used the harness to wire ditch lights on opposite sides of a full-size pickup (F150). The wire between the 2 2-pin connectors was about 18 inches too short. Fortunately, splicing the wires from the (Nilight) ditch lights and the included pigtails gave barely enough length to reach the connectors. The connectors are buried inside the trim channel for the cowl; I'd have preferred they were exposed on each side to allow for easy swapping of the lights, but I can live with it. There is more than enough wire from the first connector to the relay for my all-under-hood installation, but I didn't think to measure if it would reach into the truck bed. The harness is of good quality and is a very good value. It would be a 5-star if it weren't for that little length issue.
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Reviewed in the United States on June 1, 2025
N
Verified Purchase
Nate Higgers
Whiting, US
★★★★★ 5
great value
Size: 16AWG Wiring Harness-2 Leads
very affordable light install kit. worth the price just in the wiring connectors. I used this with my Nilight front bumper kit. i bypassed the button and wired high beam (+) to the yellow small wire. I did this so when the highbeams come on the light bar comes on. because with the stock arragement of this harness, the button continously draws power for the indicator LED
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
L
Verified Purchase
Lee Mintz
Draper, US
★★★★★ 5
The Easiest!
Size: 16AWG Wiring Harness-2 Leads
This is one of the best and easiest wiring system to install that I have every used. And the price is great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2025

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