SKU: 67621885664

JL Audio XDM800/8 : 8ch Marine Amplifier, 100W/75W x 8ch @ 2Ω/4Ω

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Description

JL Audio XDM800/8 : 8ch Marine Amplifier, 100W/75W x 8ch @ 2Ω/4ΩXDM Series 8 Channel Class D Marine Grade Amplifier, 100 Watts x 8 Channels @ 2 Ohm or 75 Watts x 8 Channels @ 4 Ohm. The ultra versatile XDM800 8 delivers eight channels of crystal clear, full range power and is capable of delivering a whopping 100 watts to each of its channels @ 2 ohms (14. 4V, 1% THD). The technology that makes this much power possible in such a compact chassis is JL's advanced NexD high speed switching design, which permits full

XDM-Series 8-Channel Class-D Marine-Grade Amplifier, 100-Watts x 8-Channels @ 2-Ohm or 75-Watts x 8-Channels @ 4-Ohm.

The ultra-versatile XDM800/8 delivers eight channels of crystal-clear, full-range power and is capable of delivering a whopping 100-watts to each of its channels @ 2-ohms (14.4V, 1% THD). The technology that makes this much power possible in such a compact chassis is JL's advanced NexD high-speed switching design, which permits full bandwidth Class-D operation with extremely low distortion and remarkable efficiency.

Suitable for car or boat installations, the XDM800/8 is built with marine-grade materials and features an exclusive, dual-mode input filter for noise-free performance in boats or cars. Automatic turn-on capability (via signal sensing or DC-offset sensing) is also onboard for easy factory system upgrades.

The XDM800/8 includes a 12dB / octave filter for each channel bank, which can be configured as a low-pass or high-pass filter, and offers continuously variable cutoff frequency selection from 50-500Hz. With the addition of an optional HD-RLC or MHD-RLC (water-resistant) remote level controller (each sold separately), you have the ability to adjust the level of two, four, or all eight amplifier channels directly from the driver's seat or cockpit.

Here are a few examples of how the XDM800/8 can be used:

  • Eight-channel Satellite Amp: drive four pairs of speakers with 75W x 8
  • Big Four-Channel Satellite Amp: bridge to produce 200W x 4 @ 4Ω
  • Six-Channel System Amp: drive front and rear satellites with 75W x 4 @ 4Ω, plus two 4Ω subwoofers with 200W each
  • Staggered Six-Channel Satellite Amp: drive front speakers with 200W x 2 @ 4Ω, plus four 4Ω speakers with 75W each
  • Staggered Five-Channel Satellite Amp: drive three front speakers with 200W @ 4Ω + rear speakers with 75W x 2
  • Four-Channel System Amp: drive left and right speakers with 200W x 2 @ 4Ω, plus two 4Ω subwoofers with 200W each

Finished in a sleek, black powder-coat, all controls are protected beneath a gasketed, removable top cover for easy access.

Output Specifications
  • @ 4 Ω
    75 W RMS x 8 @ 14.4V
    @ 2 Ω
    100 W RMS x 8 @ 14.4V
    Bridged @ 4Ω
    200 W RMS x 4 @ 14.4V
General Specifications
  • Frequency Response
    12 Hz - 22 kHz (+0, -1dB)
    S/N Ratio, referred to highest rated power
    >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
    <1% @ 2 Ω per Ch.
    Input Voltage Range @ RCA Inputs
    200 mV - 4 V RMS
    Min.Copper Power / Ground Wire Gauge
    4 AWG wire
    Fuse Rating
    80 A (AFS, AGU or MaxiFuse™)
Amplifier Settings
  • Filter Mode(s)
    Low-Pass or High-Pass
    Filter Slope(s)
    12 dB/octave
    Filter Frequency Range
    50 Hz - 500 Hz
    Detented, Calibrated Filter Freq. Potentiometers
    Yes
    Filter Defeat Function
    Yes
    Remote Level Control
    Optional HD-RLC or MHD-RLC (water-resistant)
    Remote Level Modes
    2 or 4 or All Channels
    Channel Input Mode Switch
    Yes (2/4/6/8 ch.)
    Pass-Through Preamp Output
    None
    Source Channel Selection for PreOuts
    N/A
Dimensions
  • Height (H)
    2.05 in / 52 mm
    Width (W)
    14.73 in / 374 mm
    Depth (D)
    7.09 in / 180 mm
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
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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: 67621885664

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4.2 ★★★★★
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M
Verified Purchase
Marc Jenkins
Belleville, US
★★★★★ 4
Good book minus Containers chapter.
Format: Paperback
Great book with useful information. However, I gave it 4 starts due to the "Containers" chapter. Very poorly written chapter. In fact, if you get this book, just ignore the container chapter as it will only waste your time and can be better spent using other sources.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2025
J
Verified Purchase
Jean P.
Whiting, US
★★★★★ 4
Portable format
Format: Paperback
It is a good book , the only inconvenient some links provided did not work and it doesn’t have a portable format available online
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Reviewed in the United States on April 9, 2025
T
tommy the runion
Houston, US
★★★★★ 4
Good book that will help with your RHCSA, But...
Format: Kindle
...watch out for typos and problems with some of the explanations in some parts of the book. I bought this book (kindle version) and used it to pass the RHCSA. The book is clearly tailored for the RHCSA and to be fair does live up to that reputation. There are a lot of exercises and examples that clearly outline what the author is trying to convey. Examples are clear to understand and if you do the exercises yourself, then you are well on your way to passing the RHCSA. However, there are a lot of typos big and small and I did send them to the author with the assumption that it would benefit others with the corrections (especially the kindle version). The author was responsive at the beginning acknowledging the errors. I did not check whether they have been fixed or not. I just went through the content after making note of the typos and with the understanding that he would fix it. The topics are well covered and explained. Three topics that could have been better covered are SELinux, AutoFS and Containers. The explanation uses excessive word-o-logy that leaves somebody new to SELinux with tons of confusion and more questions. I used youtube resources to prep myself on the how and why (Ed Walsh on a youtube channel clearly explains the need for SELinux - I have not seen a better explanation than Ed's anywhere else). The author's coverage of AutoFS is again excessive word-o-logy that is a confusing mess. The examples are fine, but the explanation uses confusing rhetoric that can leave you messed up with NFS and AutoFS setup. I read explanations on direct and indirect mappings and watched a couple of youtube videos before I understood what the author was trying to convey. I pointed out both of these to the author. The container chapter is missing explanations or examples that the reader is well advised to take note. DIY labs 22-3 and 22-4 relate to rootless containers and therefore has to be launched as a regular user. Both labs require that you launch rootless, persistent data containers with folders under /. However, the author does not mention in any of his examples that this type of container requires you to "chown" the folders under root to belong to the user. If you launch a rootless container with this setup as a regular user without "chown"ing, (even with full DAC permissions for everybody) then SELinux does not want to apply the correct context type (container_t to the shared folder). For both these DIYs, if you make a folder anywhere other than areas that a regular user can write or has access, then you will need to "chown" it to the user before launching the rootless container, otherwise this has to be launched as a root container not rootless. I pointed this out to the author. I did not hear from him. Further, container questions (20,21,22) in mock exam #3 has user60 with a NFS mounted home folder. The questions relate to launching rootless containers as user60 with a NFS mounted home folder. SELinux barfs when it encounters the home folder with a type context as "nfs_t" for user60. It suggests workarounds that did not work for me. I googled it and the latest versions of podman seem to have some fix for the errors associated with a home folder on a NFS server. I tried to research this issue further but had an exam scheduled within days. Therefore, I requested the author for clarification/help. Here again, I did not hear from him. Luckily, I did not have to work on any such scenarios on the real test. Still, the book is a good reference to the topics on the test and is pretty useful. Although I had to refer to other resources for some chapters, the examples and mock exams are very good.
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Reviewed in the United States on June 12, 2023
R
Verified Purchase
RG
Birmingham, US
★★★★★ 5
Excellent Study Bundle! Don't Let Negative Reviews Fool You!
Format: Paperback
I received the four books in a box, and they arrived brand new and exactly as described. These books are truly great for learning and easy to follow. I was almost discouraged from ordering because of some of the negative reviews, but I'm so glad I decided to see for myself and ordered this bundle deal. While the internal pictures and screenshots are not high definition or in color, they are perfectly easy to view and follow along. The author does an excellent job of guiding you, telling you exactly what to look at within the picture to follow along and understand the concepts. All the screenshots are spot-on and very readable. This is my first set of A+ books from Sybex, and I have the two main study books, the review guide, and the practice questions book. Wow! What else can I ask for? I used to rely on the big books with the golden covers, but they didn't have the latest editions. Too bad for them—this is a huge gain for me! Thank you, Sybex and Authors!
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Reviewed in the United States on November 12, 2025
S
Verified Purchase
SEMAJ SAWL III
Bozeman, US
★★★★★ 5
Great fully encompassing training
Format: Paperback
Covers all the questions , scenarios for multiple A+ exam options
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026

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