





JL Audio RD800/6
6-Channel 800W Amp Staggered Power Design 75x4+150x2
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Product Overview
JL Audio RD800/6 6-Channel Class D Full-Range Amplifier (800W RMS)
The RD800/6 solves a problem that has plagued 6-channel amplifiers for years: not enough power where you need it most. With a staggered power design that delivers 75 watts RMS x 4 channels plus 200 watts RMS x 2 channels (all at 4 ohms), this amp gives you double the power on channels 5 and 6 for midbass drivers, a center channel, or a small subwoofer. Total system output is 800 watts RMS from a single, compact chassis.
Built on JL Audio's NexD™ switching technology, the RD800/6 generates serious power with exceptional efficiency and minimal heat. The result is premium audio quality with significantly reduced current draw, making it ideal for vehicles where electrical headroom is a concern. All six channels are 2-ohm stable, and every channel pair is fully bridgeable for maximum flexibility in system design.
Studio-grade signal processing is built right in, with 12 dB/octave filters on each channel pair. The 6-channel model supports triple high-pass filters or full 3-way crossover capability, so you can run an active front stage without needing an external crossover. LED clipping indicators on the control panel make gain setting fast and accurate without extra test equipment.
Features
NexD™ Switching Technology — JL Audio's proprietary Class D amplifier technology uses enhanced pulse width modulation to achieve exceptional audio fidelity and efficiency while delivering high-power output from a very compact design.
Staggered Power Design — Channels 1-4 deliver 75W x 4 at 4 ohms (100W x 4 at 2 ohms), while channels 5-6 deliver 200W x 2 at 4 ohms, giving you double the power where you need it most for midbass, center channel, or subwoofer duty.
Studio-Grade Signal Processing — Each channel pair features 12 dB/octave filters with continuously variable frequency selection from 50-500 Hz. The 6-channel configuration supports triple high-pass filters or full 3-way crossover capability.
Differential-Balanced Inputs — Engineered to combat induced cable noise common in car audio installations. Works with standard RCA cables while delivering the benefits of a true balanced connection. Accepts both low-level and high-level signal sources.
LED Clipping Indicators — Built-in clipping indicators on each channel section let you set input sensitivity quickly and accurately without additional test equipment.
3 Turn-On Options — Choose from +12V remote wire, signal sensing, or DC offset detection for maximum installation flexibility, including direct integration with factory systems.
Selectable Input Voltage — Switchable from Low (200 mV to 2V RMS) to High (800 mV to 8V RMS) to accommodate factory and aftermarket source units.
All Channel Pairs Bridgeable — Every channel pair can be bridged for increased power output, enabling configurations from 6-channel down to 3-channel operation.
Specifications
| Power Ratings (RMS @ 14.4V, <1% THD) | |
|---|---|
| Channels 1-4 @ 4 Ohms | 75 W x 4 |
| Channels 5-6 @ 4 Ohms | 200 W x 2 |
| Channels 1-4 @ 2 Ohms | 100 W x 4 |
| Channels 1-4 Bridged @ 4 Ohms | 200 W x 2 |
| Channels 5-6 Bridged @ 4 Ohms | 400 W x 1 |
| Total RMS Power | 800 Watts |
| Power Ratings (RMS @ 12.5V) | |
| Channels 1-4 @ 4 Ohms | 60 W x 4 |
| Channels 1-4 @ 2 Ohms | 90 W x 4 |
| Channels 1-4 Bridged @ 4 Ohms | 180 W x 2 |
| Audio Performance | |
| Amplifier Class | Class D (NexD™) |
| Frequency Response | 12 Hz – 22 kHz (+0, -1 dB) |
| Signal-to-Noise Ratio (rated power) | >104 dB (A-weighted) |
| Signal-to-Noise Ratio (1W) | >84 dB (A-weighted) |
| THD+N @ Rated Power | <1% @ 4Ω |
| Damping Factor @ 4Ω | >150 / 50 Hz |
| Damping Factor @ 2Ω | >75 / 50 Hz |
| Signal Processing | |
| Channels 1-2 Filter | High Pass (12 dB/Oct): 50 Hz – 500 Hz |
| Channels 3-4 Filter | Band/High Pass (12 dB/Oct): 50 Hz – 500 Hz |
| Channels 5-6 Filter | Band/High Pass (12 dB/Oct): 50 Hz – 500 Hz |
| Input Voltage Range (Low) | 200 mV – 2V RMS |
| Input Voltage Range (High) | 800 mV – 8V RMS |
| General | |
| Channels | 6 |
| Minimum Load Impedance | 2 Ohms per channel / 4 Ohms bridged |
| Operating Voltage | 10 – 15 VDC |
| Dimensions | |
| Height | 2.13" (54 mm) |
| Width | 14.66" (372 mm) |
| Depth | 6.96" (177 mm) |
| Weight | 7.15 lbs (3.6 kg) |
| Warranty | |
| Manufacturer Warranty | 2 Years |
* All power ratings measured at 14.4V input with less than 1% THD unless otherwise noted.
** Only connect 4-ohm loads to bridged terminals. Connecting 2-ohm loads when bridged may cause damage.
*** Use only oxygen-free copper (OFC) or tinned copper wire for power and ground connections. Do not use copper-clad aluminum (CCA) wire.
What's In The Box
- 1x JL Audio RD800/6 6-Channel Amplifier
- Protective Control Cover
- Mounting Hardware
- Installation Manual

What Others Are Saying
Eddie was great - SDCS installed a new head unit in my 2019 4Runner. He was honest in his opinions regarding the options I was considering. Pricing was also good - he was able to reuse some of my existing installation kit so I saved a bit of $$.Installation was clean and fast and he took the time to walk through the features before I left. Highly recommend!!
I had a great time at this shop! The staff really knows their stuff and took the time to explain the different options without pressure. Installation was quick, clean and professional. Everything looks factory and sounds amazing. The prices were fair and customer service was above and beyond. I highly recommend this place if you're looking for quality car audio and excellent service.
Those guys are really professional! I had a new Alpine floating head unit installed in my 2008 Mercedes, and it feels like a brand-new car. The installation was super clean. At first, the sound wasn’t the same as the factory stereo, but Kevin tuned it to be just as good—if not better—without adding any new amps. They even used my factory GPS antenna so I don’t have extra wires hanging out. On top of that, they matched the online price. Big thanks to Kevin and Eddie—highly recommended!
Kevin was awesome, he took his time and explained everything to me. I went in initially for a dash cam install and then decided to get a sub and amp installed as well. Both turned out great and will be returning if I need more work done.
Came In not knowing what to expect when suddenly my stereo stopped working. Spoke with Kevin in the front and after a VERY fast diagnosing they discovered my wiring was incorrect. After only about 45 minutes total being in the store I was on my way to the beach with a working stereo again! Thank you so much SDCARSTEREO
Highly recommend Kevin and the team at San Diego Car Stereo for any issues with aftermarket stereos. I bought a car with an aftermarket stereo and AC unit that wasn’t working properly—specifically, the heat wasn’t functioning due to an improper setup. I had several people look at it with no luck, and even the dealership basically refused to help because it was an aftermarket install. I came to Kevin and his team over the holidays feeling pretty defeated, but he was confident he could get the heat working before I headed back to a Colorado winter. Sure enough, he got it done.
FAQ
Do products purchased from San Diego Car Stereo come with a warranty?
Yes, all products come with a 1-year manufacturer warranty unless otherwise stated. This covers any defects excluding physical damage.
Are these products brand new?
Yes, every product we sell is 100% brand new, unused, and comes in original manufacturer packaging unless clearly marked otherwise.
Do you offer installation services?
Yes, we offer professional installation services at both of our San Diego Car Stereo locations. Our expert technicians have over 50 years of combined experience to install all of your car, marine, or offroad audio needs. Stop by or give us a call to schedule an appointment to get a quote in person.
