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NVX JAD800.4

True 800W RMS, Full Range Class D 4-Channel Amplifier (JAD-800.4)

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$149.99

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General Features:

  • Class D 4-Channel Amplifier
  • CEA-2006 Compliant
  • RMS Power Rating:
    • 4 ohms: 125 watts x 4 chan.
    • 2 ohms: 200 watts x 4 chan.
    • Bridged, 4 ohms: 400 x 2 chan.
  • Sonic Electronix Certified Power Rating*:
    • 4 ohms: 175 watts x 4 chan.
    • 2 ohms: 297 watts x 4 chan.
  • Non-regulated efficient S.M.P.S power supply design
  • Pulse Width Modulated MOSFET power supply
  • LED power (green) and protect (red) indicators
  • High speed rectifying diodes
  • Soft start turn-on
  • 4, 3, or 2 channel operation
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Heavy duty aluminum alloy heat-sink
  • Nickel-plated RCA level inputs
  • Nickel-plated screw terminals
  • Input sensitivity: 200mV - 6V
  • Frequency Response: 20 - 20,000 Hz
  • Total Harmonic Distortion (THD): <1.00%
  • Signal to Noise Ration: 106dB
  • Selectable crossover modes: BPF / FULL / LPF
  • x1 & x10 Frequency multiplier, Front & Rear
  • Variable high-pass filter: 20 - 400 Hz or 200 - 4,000 Hz, 24 dB/octave
  • Variable low-pass filter: 50 - 500 Hz or 500 - 5,000, 24 dB/octave
  • Fuse Rating: 25A x 3
  • Gauge adapter included, allowing amplifier to accept 8, 4, 2, and 1/0
  • 4 gauge power and ground wiring is recommended for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier. Click Here for our contact information.
  • Dimensions: 6-7/10"W x 10-4/10"L x 1-8/10"H
  • Authorized Internet Dealer
  • 90 Day Sonic Electronix Warranty

Extend your NVX Manufacturer's Warranty to 2 Years when you install your new NVX amplifier with a compatible NVX power installation kit! This offer is only available through Authorized NVX dealers and will only last for a limited time. With this amplifier, the following power kits will qualify for the extended warranty program: NVX XAPK1D, NVX XKIT44, or NVX XAPK4

*The Sonic Electronix Certified Power Ratings listed are based on a test of a specific sample amplifier. Actual power ratings may slightly vary between amps.

Specifications

Second Depth
The second depth is used only when the box is slanted or angled. This value is the top measurement and it is measured in inches.
Depth
The front-to-rear depth of the item, in inches. If the item is angled or slanted, this value is the bottom measurement.
Height
The height of the item, measured from top to bottom, in inches.
Width
The width of the item from left to right (side-to-side) measured in inches.
Color
Color of handle.

Warranty and Return Policy

Parts Warranty Duration
90 days
Labor Warranty Duration
90 days
Warranty Provider
Sonic Electronix

Summary of Customer Ratings & Reviews

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Browse 13 questions and 82 answers
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Why did you choose this?
Sonic Electronix Store
best amp for the price
Eric M on Oct 16, 2016
good reviews
sounds great
lots of power
giovanni h on May 13, 2016
because my soundqubed 4 channel ab amp kept getting hot and shutting down after about 2 hours of driving hopefully this class d can run longer
kevin m on Jun 26, 2016
I have a set of components and coaxial speakers that will fit this amp nicely. NVX has great reviews all around.
Richard W on May 6, 2016
The manuals explains speaker connections for bridged mode, but doesn't mention proper interconnect hookup for bridging. What's the appropriate RCA connection setup for two channel bridged mode?
Bradley B on May 6, 2015
NVX JAD800.4
NVX JAD800.4
NVX JAD900.5-ob
NVX JAD900.5-ob
Best Answer: The speaker connections for bridged mode were incorrect in the manual that came with my 800.4. I exchanged email with NVX and they advised to use the outer terminals i.e. RR- and RL+ for the rear speaker in bridged mode. I use the amp in 3 channel mode and setting the bridge mode switch to the centre (3 channel) position resulted in mono sound from the font speakers - not what I wanted! It works ok in the 4 channel setting and all 4 RCA inputs connected to my headunit. For 2 channel operation you may need to experiment - start with your left RCA signal into the L front input and your right RCA signal into the L rear input. Set the bridge mode switch to 2 channel. Connect your left speaker to the front FR- and FL+ terminals and your right speaker to the rear RR- and RL+ terminals. I think that will work. If not, you might need to get 2 Y-cables to split your RCA signals to both L+R inputs and set the bridge mode switch to 4 channel.
Reply · Report · Scott S on May 10, 2015
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The Alpine SPR-68 and the Alpine SPR-60C a good setup with this amp??
A shopper on Jul 5, 2015
Best Answer: form what i can see with the specs of the speakers this amp will do the job with headroom to spare. mine works sweet with my x65 components rated at 65 watts rms. set your gains and crossover for the speaker freq. resp. and power level and you should be happy. for best results use a multi meter and set your max output levels to feed the rms levels to the speakers. this amp has a lot of power with the correct input voltage. iv taken the time to test the output level vs gain pos. i know what volts out i have with each click which makes any changes with ohms or speakers as simple as a click. hope this helps
Reply (1) · Report · JONATHAN D H on Jul 5, 2015
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I know that this amp comes with an adapter to accept 4 gauge wire but i want to run 0 gauge to them. if i get 2 of the 0 gauge to 4 gauge reducers will they fit on the amp?
AJ A on Apr 27, 2016
Best Answer: Hello AJ,

The adapters accept 0 Gauge, not 4 gauge.
Reply · Report · Rick MStaff on Apr 27, 2016
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I'm looking for a good amp for my alpine type r 6x9 (rear) & typer r 6.5 components in the front. Already have the speakers (not installed yet) & have just been trying to research good affordable amps. Has anyone tried this amp with any alpine speakers? Would love to here some feedback on this amp because it has such great reviews. Not to familiar with NVX. Thanks
A shopper on Jan 24, 2016
Best Answer: I've been installing car audio for friends, family and myself for over 30 years! I have to say that this is probably the best amp I've ever purchased. I did a complete make over on my Mercedes Benz E-430 Sport and I have this amp pushing four (4) Rockford Fosgate 6 3/4 front door/rear deck speaker and two (2) 3 1/2 Rockford Fosgate in the rear door. The clarity is unmatched by anything I've ever installed. You definitely will not be disappointed.
Reply · Report · Roderick W on Jan 25, 2016
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Can you recommend components for front and 6.5 coaxials for rear that would work well with this amps power rating?
Thomas M on Jul 30, 2014
Best Answer: it depends on your budget. i have the nvx xsp6act component set running active with two channels running the tweeters and two channels running the midbass speakers. the guys at nvx said these speakers would handle the amps power as long as the gains wer set correctly. my headunit puts out 4v and i have the gains set for 5v so im not using all the power the amp has to offer and its redicousily loud when i want to show it off. awsome setup. i also have the vsp65kit and vsp65 coaxial speakers on the same amp in another car with the same gain setup and it is running the components on two channels and the coaxs on the other two and it has a verry good sound. if you can do the x components either active or passive and give them about 40 days of play to break in and im shure you'll be very happy with your setup. hope this helps you.
Reply · Report · JONATHAN D H on Jul 31, 2014
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would this nvx amp be good 2 run 2 sets of nvx VSP65 speakers or is the amp have 2 much rms for thos speakers ?
Matthew D on Nov 12, 2015
Best Answer: I'm currently using my nvx jad800.4 to power four Infinity 6x8 6929c.f. speakers. These are 2ohm coaxial speakers. If you take some time to set up crossover for front and rear channels you should be fine. I don't expect sub bass from my full range speakers so I get great mid range and highs. This is a powerful amp despite its small size. I have to keep gains set less than half. Great amp for money.
Reply · Report · Alexander H on Nov 13, 2015
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Will this amp work with the Kicker 6.5" and 6"x9" CS series speakers? The 6.5" speakers have an RMS of 100 watts at 4 ohms and the 6"x9" have an RMS of 150 watts at 4 ohms. I am concerned about over or under powering the speakers and was looking for an amp that would work well with these speakers.
Greg G on Oct 2, 2014
Best Answer: I am running two pair of 6.5 alpine r components on the front channels... Two pair of alpine r 6x9 on the rear channels... Two ohm load each channel. No problem at all, clear crisp and loud. This amp is a beast. Your set up should work just as good at four omh. If anything it might overpower your set up. Make sure your gain is set correctly and you will be amazed by how it sounds.
Reply · Report · Gamaliel C on Oct 2, 2014
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single ended or differential inputs?
A shopper on Oct 22, 2015
Best Answer: has RCA in.....no RCA out.....in other words....you can not run a signal from this amp to another.....
Reply · Report · cd s on Oct 23, 2015
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I'm a noob when it comes to amps and anything related. My current mids and highs set up at the moment is 2 sets of NVX VSP65 's and one set of Pioneer TS-B350PRO 3-1/2" bullet tweeters running off of SPL GLA4 1800Watts 4 channel amp. My problem is that the amp goes into protection mode after running at high volume for about 20 mins. Will this amp be enough to solve my issue?
A shopper on Jul 25, 2016
Best Answer: This amp (nvx jad800.4) runs 4 alpine spr-60c 6.5s, 1 through each channel. 4 ohm load. Tweets are run through deck. Nvr had a safety off. My mids are strong, they sound great and never distort before tweets. Little side note, I've heard that D class doesn't produce great highs if ur putting tweeters on the nvx jad800.4. Something else to consider is I'm in a golf with the amps full exposed to cabin air conditioning in the summer.
Reply · Report · jacob l on Jul 26, 2016
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I have two pairs of Infinity Kappa 682.11cf that I plan on installing in my 2007 mustang. I am looking at using a 4 channel to power them. The two that I am considering are Infinity KAPPA FOUR and the NVX JAD800.4 does anyone have any thoughts on this? I also plan on running a mono for the subs Infinity Kappa 100.9W.
Zach H on Apr 1, 2015
NVX JAD800.4
NVX JAD800.4
Infinity KAPPA-FOUR
Infinity KAPPA-FOUR
Infinity 682.11cf
Infinity 682.11cf
Best Answer: I have used many of the nvx products and have been nothing but satisfied. I be leave the nvx amps are underrated on the power I can't see going wrong with it
Reply · Report · justin m on Apr 1, 2015
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Can this amp be run at 2 ohms bridged? I'd like to run the front channels independently (200w X 2 @ 2 Ohms), and bridge the rear to run a 2 ohm sub @ 400 watts.
Jason F on Mar 11, 2015
Best Answer: Hello Jason,

Bridging will obligate the system to No Less than 4ohms. 2ohms cannot and should not be done.
Reply · Report · Customer SStaff on Mar 12, 2015
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What "type" of crossover is in this amp (listed as 24db HP or LP) Linkwitz etc? if a person wishes to more precisely set the frequency between tweeters and mids for example to a certain frequency by a particular db or voltage drop at the exact freq?

I'm toying with the idea of using the amps built in crossovers by themselves instead of outboard DSP. From the limited manual and documentation, with "BP" listed on the switches, is it correct that the JAD800.4 can band-pass with the HP and LP settings.. Possibly to run Mids from highpassed 80hz to lowpass 2500hz from the rear channels, then tweeters highpassed at 2500hz from front channels?

Sorry that was two questions. :)
Bradley B on Dec 22, 2014
Best Answer: the frequency that you would want to calibrate the high tweeter and mid speaker drivers as well as the base subwoofer sweetest spot should be set from a primary pre amplifier spectrum crossover for best performance device not the built in crossover in the amplifier .I know the amplifier has great fidelity output but the crossover for high/mid/sub would work best with an isolated high/mid/sub crossover with specific signals run to input for best performance kelly

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Reply · Report · Don M on Dec 22, 2014
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Product Summary

Manufacturer

Model Number

JAD800.4

Weight

10.00lbs

Internal SKU

ls-jad8004-obc255977

Internal Product ID

120141

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: NVX JAD800.4