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JL Audio VX800/8i 8-channel car amplifier with digital signal processing — 75 watts RMS x 8

Item # 13698633

We've heard a lot of good things about JL Audio's VXi Series amplifiers, which combine JL Audio's latest...

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We've heard a lot of good things about JL Audio's VXi Series amplifiers, which combine JL Audio's latest...

Item # 13698633

In stock
C$2,499.95

About the JL Audio VX800/8i

Buck Pomerantz

Amplifier plus DSP

We've heard a lot of good things about JL Audio's VXi Series amplifiers, which combine JL Audio's latest amplifier technology with powerful signal processing. They also improved the amp's Class D performance by shortening the signal path through the amp, placing the output capacitor banks nearer the outputs, and using up-to-date DirectFET® MOSFET output devices, resulting in higher efficiency, reliability, and audio quality.

Amplifier plus DSP

We've heard a lot of good things about JL Audio's VXi Series amplifiers, which combine JL Audio's latest amplifier technology with powerful signal processing. They also improved the amp's Class D performance by shortening the signal path through the amp, placing the output capacitor banks nearer the outputs, and using up-to-date DirectFET® MOSFET output devices, resulting in higher efficiency, reliability, and audio quality.

Power and tune your whole system

The VX800/8i 8-channel amplifier puts out 75 watts RMS per channel and features 10 channels of digital signal processing, giving you incredible versatility. For example, you could power a system with 3-way front component speakers (tweeter, midrange, and mid-bass woofer) and full-range rear speakers, plus provide a processed signal for a separate subwoofer amplifier. You could also use this amplifier in bridged, 4-channel mode to power front and rear speakers with 200 watts RMS each.

Digital accuracy

The 24-bit 96 kHz processing for each channel includes signal routing and mixing, 10-band parametric EQ, time-alignment, high- and low-pass filters, and output level control with 0.1 dB precision. In addition to tuning the audio signal, the processor provides a master clock signal for the Class D amplification, increasing audio accuracy.

Remote control only

You make all your settings and adjustments from your compatible device running JL Audio's TüN™ software.

  • PC and Mac OS: TüN 3.0 — requires a USB connection (6' cable included with amp)
  • Android and iOS tablets: TüN Mobile — requires Bluetooth connection and the VXi-BTC Bluetooth communicator (sold separately)
  • Android phones and Apple iPhones: TüN Express (for Basic setups only) — requires Bluetooth connection and the VXi-BTC Bluetooth communicator (sold separately)

Other accessories you may want with this amp

This VXi amplifier features JLid™ inter-device connection ports for JL Audio's proprietary network system for controlling data. The DRC-205 digital remote control lets you adjust the master volume, subwoofer level, switch between up to six preset tunings, and indicates the amp's status via LED. An optional VXi-HUB network hub comes in handy when you have three or more VXi amps in your system, coordinating all the adjustments and controls. A FiX 82 or a FiX 86 can be used to remove factory sound processing, for higher-fidelity factory system integration for your VXi amplifier.

JL Audio VX800/8i

VX800/8i connection panel

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Product highlights:

  • Featured in our article: Best multi-channel car amplifiers for 2024
  • 8-channel car amplifier
  • 75 watts RMS x 8 at 4 ohms (100 watts RMS x 8 at 2 ohms)
  • 200 watts RMS x 4 bridged at 4 ohms
  • Class D amplifier design with NexD2™ switching amp technology
Digital Signal Processing:
  • 24-bit 96 kHz digital processing
  • DSP adjustments and settings made with JL Audio's TüN app (PC and Mac) via USB, via Bluetooth (tablets and phones) with BTC Bluetooth option
  • 3 Project Levels of tuning: Basic, Advanced, Expert
  • input routing and mixing
  • adjustable gain controls with clip indication
  • fully adjustable high-pass, low-pass, and bandpass filters
    • selectable filter slopes (6, 12, 18, 24, 30, 36, 42, 48 dB/octave)
  • 10-band EQ (graphic in Basic, parametric in Advanced and Expert modes)
  • phase and polarity control
  • time alignment in 0.01 ms (1/8") increments
Connection Features
  • differential-balanced inputs eliminate noise coming from your vehicle's electrical system
  • preamp and speaker-level inputs (speaker wire to RCA adapter required for speaker-level input)
    • high-level inputs — up to 16 volts RMS (about 60 watts)
    • DC offset or signal sensing auto turn-on eliminates need for remote lead
  • 2-channel digital input and output (S/PDIF: up to 24-bit 192 kHz in, 24-bit 96 kHz out)
  • 2-channel analog preamp output (4V RMS)
  • JLid™ connections for optional Network Hub, Bluetooth Communicator, and Digital Remote Control
  • USB connection for device running TüN app (6-foot cable included)
  • wiring, fuse, and hardware not included with amplifier
    • 4-gauge power and ground leads and an 80-amp fuse recommended
  • 11-5/16"W x 2-1/8"H x 6-3/4"D
  • warranty: 2 years
  • MFR # 98633

What's in the box:

  • 8-Channel amplifier
  • Power connector
  • 14" Analog Input harness (25-pin D-Sub/10 RCA)
  • 18" ABCD Speaker output harness
  • 18" EFGH Speaker output harness
  • 6' USB cable (Type A USB on one end and Type B USB on other end)
  • 4 Corner caps
  • Corner cap tool
  • 2 Silver thumbscrews
  • 2 Black hex cap machine screws
  • 2.5mm Hex wrench
  • 3mm Hex wrench
  • JL Audio logo badge
  • Connection Guide
  • Registration card

Customer reviews for JL Audio VX800/8i

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4.5 out of 5 stars
23 reviews

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More details on the JL Audio VX800/8i

Mark G.

Product Research

Features
Digital Signal Processing
Connections
Specifications

Features

VXi Amplifiers: The JL Audio VXi-series of amplifiers feature advanced technology with built-in digital signal processors. These compact amplifiers pack a lot of power into a small package. Each VXi amplifier is equipped with a customized, triple-core DSP that allows you to tune the amplifier to the exact performance you need. With JL Audio's free TüN software on your computer, tablet, or smartphone, you can configure the amplifier from the driver's seat. Up to six active preset tunings can be stored.

8-channel Amplifier: The VX800/8i 8-channel Class D amplifier that has been optimized for full-range amplification of connected speakers, or for a combination of speakers and subwoofers. It has advanced NexD2 switching amplifier technology to deliver solid performance with high fidelity and efficiency. The amp does not have traditional control knobs and switches for setting up the amplifier. Instead, the input sensitivity, crossover, and polarity settings are configured via the TüN software.

Logo Badge: The included JL Audio logo badge is included in the box, unattached. The badge has an adhesive backing for attaching it according to your installation in any 90° increment. The color of the LED ring around the logo badge can be configured in the TüN software to display the amp's status, audio preset, or a user-defined color.

Digital Signal Processing

DSP: JL Audio's Digital Signal Processing engine, when partnered with the TüN software, gives you an enormous amount of control over the configuration and settings of the amplifier. It is equipped with high-performance A/D and D/A converters, and audio processing for high-resolution 24-bit/96kHz audio files. For some VXi models, the DSP offers a 10-band parametric EQ for each output channel, including pre-outs, Linkwitz-Riley and Butterworth high-pass and low-pass filters, Signal Delay (0.01 millisecond steps), polarity reversal, and output trim levels (in 0.1dB steps).

TüN Software: The free TüN software lets you configure, tune, and control your VXi amplifier from your PC, tablet, or smartphone. The TüN software is available for Windows PC (Windows 7 SP1, 8.1, and 10 / 32-bit or 64-bit) and Apple computers. TüN Mobile is available for iPad and Android tablets, while TüN Express works with iPhone and Android smartphones. The apps are compatible with iOS version 10.0 or later, and Android 4.4 and up. When connected to the VX800/8i, you can make the following adjustments and settings on the application:

  • Input Selection: Analog or Digital
  • Turn-on Mode: Remote, DC offset, Signal Sense
  • Input Mode: 2 Ch / 4 Ch / 6 Ch
  • Independent Settings for CH 1&2, CH 3&4, CH 5&6, and CH 7&8:
    • Input Type: Stereo or Mono
    • High Pass Filter: Off, 12dB, or 24dB; Cutoff frequency: 20Hz (or LPF frequency) to 20,000Hz
    • Low-pass Filter: Off, 12dB, or 24dB; Cutoff frequency: 20Hz to 20,000Hz (or HPF frequency)
    • Level Setting:
      • Input Level: Min to 11
      • Output Trim: -18.0dB to +12.0dB
    • Mute All: On/Off

Power Output: The VX800/8i power specifications are as follows:

  Ohms Watts
Rated Continuous Power @ 14.4V
(<1% THD+N)
75 x 8
100 x 8
4Ω bridged 200 x 4
Rated Continuous Power @ 12.5V
(<1% THD+N)
60 x 8
90 x 8
4Ω bridged 180 x 4
Connections

Power/Ground/Turn-On Terminals: The VX800/8i features a removable plug with C-Clamp terminals for the power, ground, and remote turn-on cables. This allows you to pre-connect the wires to the connector, then plug it into the amplifier. The power connector will accept up to 4-gauge power and ground wire, and 10-18-gauge wire for the remote turn-on. The supplied 3mm and 2.5mm hex wrenches are for tightening/loosening the C-Clamps.

Note: The amplifier is not equipped with a fuse. An external 80-amp AFS, AGU, or MAXI fuse (not included) must be installed on the power wire. If a wiring kit is used which includes a fuse with a value other than 80-amps, the original should be replaced with an 80-amp fuse.

Speaker Output Harness: The JL Audio VX800/8i features two removable Speaker Output Harnesses with 18" wires. One harness is labeled ABCD for channels 1-4, and the other is labeled EFGH for channels 5-8.

Analog Input Harness: The amplifier has a 25-pin D-Sub connection for the supplied 14" Analog Input harness. Five loom-covered cables exit the cable's D-Sub connector, with four pairs of stereo female RCA inputs, stereo female RCA preamp outputs (4V max output), the remote turn-on output (+12V) and Valet Preset Toggle lead.

Digital Inputs/Outputs: The amp has optical digital (Toslink) inputs for direct connection of S/PDIF digital sources, bypassing the A/D converter. The input accepts up to 24-bit/192kHz signals. There is also a Toslink optical digital output for sending a digital signal (24-bit/96kHz) to another VXi amplifier.

USB: A Type B USB port is provided for connecting the amp to your computer for interfacing with the TüN software. A 6' Type A to USB-B cable is provided.

RJ-45: Two RJ-45 modular ports are provided on the amplifier for optional accessories:

  • JLid-COMM: One RJ-45 port, labeled JLid-COMM, is for the optional VXi-BTC Bluetooth Communicator (for wireless communication with Apple or Android smartphones and tablets), or the optional VXi-HUB Optical Network Hub (for connecting up to five slave VXi amplifiers -- ten with two VXi-HUBs, allowing synchronization of controllers and DSP presets).
  • JLid-CTRL: The other RJ-45 port, labeled JLid-CTRL, is for the optional Digital Remote Controller (DRC) connection. The optional DRC-205 digital remote control allows you to conveniently set amplifier levels and DSP presets from the front of the vehicle.

microSD: A microSD port is provided on the front of the amplifier for future expansion.

Specifications
  • Frequency Response: 12 Hz - 21 kHz (+0, -1dB)
  • Input Voltage Range (at RCA inputs): 200mV - 16V RMS
  • Signal-to-Noise Ratio:
    • Analog Inputs (20Hz - 20kHz noise bandwidth): 99dB (rated power); 80dB (1 W)
    • Digital Inputs (20Hz - 20kHz noise bandwidth): 101dB (rated power); 82dB (1 W)
  • Damping Factor: >100dB / 50 Hz @ 4Ω; >50dB / 50 Hz @ 2Ω
  • Standby Current Draw: 2.4 mA
  • Dimensions (WxHxD): 11.297" x 2.081" x 6.692"
  • Weight: 6.5 pounds

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Customer Q&A

14 questions already asked

Q
Can I use 3 way component speakers up front for the soundstage channel 1-6 and a 2 way component with crossover or coaxial speakers for the rear?
gil  Nov 19, 2023
1 answer
A
This would be an excellent use for the VX800/8i. It is possible to set crossovers for all channels, meaning that a 3-way active crossover for the first six channels would be simple enough. The 7th and 8th channels can be provided full-range or perhaps mostly full-range with a high-pass filter.
zachary  Nov 19, 2023 (Staff)
Q
Does it have a 9channel for the sub?
j.garlens  Jul 17, 2021
1 answer
A
This is an 8 channel amplifier. it can be be configured in several ways. One of our advisors would love to help! (1-800-324-9695) or online chat.
thomas  Jul 21, 2021 (Staff)
Q
I have 6 speakers and a 2 ohm sub. Do I still need to bridge the remaining 2 channels for the sub?
j  Jun 25, 2021
2 answers
A
Yes, that will work fine
britt  Jun 25, 2021
A
Hello, Each of those 6 speakers will have it own dedicated channel and channels 7 and 8 must be on bridge mode. You can easily make these adjustments using the TuN app using an iPad. Then you will have One equalizer for channels 7 and 8. Use something like the following band frequencies ( 35Hz, 50Hz, 63Hz, 70Hz and 80Hz. The rest of the band frequencies leave them on Zero (flat). Don't forget to play 50Hz tone to adjust the gain on these two bridged channels). If you purchase the special bass know from JL audio you will be able to assign those two bridged channels into one of the two knobs to adjust only the bass and you can configure from channel 1 to 6 on the other knob and this setup will be great, besides you will be able to create presets with different configurations. Hopefully I did answer your question. Omar
omar  Jun 25, 2021
Q
Can 2 channels be bridged into 2x100W@2ohms to power small sub?
ievgen  Mar 15, 2021
1 answer
A
When you bridge two channels you will get 200 watts RMS @ 4-ohm for a subwoofer. The subwoofer must be 4-ohm.
thomas  Mar 30, 2021 (Staff)
Q
Can 2 channels be bridged into 2x100W@2ohms to power small sub?
ievgen  Mar 15, 2021
2 answers
A
Yes. I recommend downloading JL Audio's TUN software to the laptop you'd be using to program the VX800/8i (you need a laptop/computer to program/setup the amp). TUN is free. You can set up hypothetical "projects" in the software and you don't need the amp on-hand to do so. Play around with bridging channels, EQ settings, hi/lo/band-pass crossovers, etc. There's a lot on-line to help figure out TUN, too.
mark  Mar 17, 2021
A
This is exactly what I did to power a JL Stealthbox with a 10TW3-D4 in my Toyota 86. Though I do not know for sure how many watts you get from 2 channels bridged at 2ohms, it is plenty of power for me. I love this
michael  Mar 15, 2021
Q
Can I run this as 7 channels. 6 to separate speakers and the last 2, bridges to a sub?
j  Nov 26, 2020
1 answer
A
Yes you can run it like that. The bridged pair puts out 200w at 4 ohms.
john  Nov 26, 2020
Q
Can this amp provide a signal and control the RD1000/1?
alexis  Oct 29, 2020
1 answer
A
We have not received any answers from other customers on your question. I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They should be able to help answer your question.
thomas  Nov 12, 2020 (Staff)
Q
What size/gauge are the speaker output wires?
ray  Oct 09, 2019
1 answer
A
They do not list the gauge of the output harness. At that power rating, I would go no smaller than 16 gauge, and I'd lean towards 14 gauge.
thomas  Oct 19, 2019 (Staff)
Q
If using RCA pre-outs for the signal input, do you have to use all 8 of the inputs? I want to use this amp to run active front 3-ways (able to be faded to the front) and rear channel coaxials, which I would like to be 'rear' on the fader. If I had a head unit with 4ch front and rear RCA pre-outs, how would I go about the signal side of the install?
shaun  Jun 05, 2019
1 answer
A
Hi Shaun! Thanks for your question. The JL Audio VX800-8i has an input mode for 4 channels. When you enter the TUN App, you will be able to select from a list of common input signal configurations, you would select the type of configuration you're working with, choose each speaker location, and begin your digital signal processing within the TUN app. Chat with an Advisor online, or reach out by phone at 1-800-324-9695 for further info.
jessica  Jun 20, 2019 (Staff)
Q
I read that it's better to use a line output converter to "clean/correct" the signal and then send it to the vxi800? Is this true?!!!
george manning  May 22, 2019
1 answer
A
The 800/8 has the ability to take the high level input and use the Tun software to manipulate and clean the signal. I couldn't tell you if the signal can be cleaner or more corrected only the software is awesome and once you learn the processes it works flawlessly. I really don't think it's needed. I would call the team at JLAUDIO I guarantee they'd know the answer and crush the guess work.
quentin  May 30, 2019
Q
can you connect two of this amps without the need of the VXi-HUB? i only plan on getting a VX800/8i and a VX600/1i And, would i be able to connect the DRC-205 to one of the amps, and be able to control both?
david  Oct 07, 2018
1 answer
A
You can not. 2 things. I bought an extended usb cable and switch between the 2. 2nd the output on the 8 channel will control another amps input. If your not planning on using the sub out on the deck then the answer could be yes. You could also buy a different amp for your subs.
christopher  Oct 07, 2018
Q
Do I need to convert my speaker outputs into RCA cables for this amp to work?
christopher  Sep 04, 2018
1 answer
A
If you're using a factory radio (or aftermarket without RCA outputs) the JL VX800/8i will accept a speaker-level input signal when you use a speaker wire to RCA adapter (sold separately): https://www.crutchfield.com/p_136XDCLR2S/JL-Audio-XD-CLRAIC2-SW.html For more details or to discuss further, please contact an Advisor directly by phone (888.955.6000) or online chat. Thanks!
david  Sep 12, 2018 (Staff)
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