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400W XDv2 Series 4-Channel Class D Full-Range Amplifier with High-Speed NexD Switching
• NexD Switching Technology
• Differential Balanced Input Section
• Advanced Rollback Protection
• Frequency Response: 12 Hz - 22 kHz (+0, -1dB)
• Detented, Calibrated Filter Freq. Potentiometer
• Includes NVX XKIT44 4 Gauge Amp Wiring Kit

This potent 4-Channel amplifier employs JL Audio's high-speed NexD™ switching design to achieve unprecedented efficiency and amazing power output in an ultra-compact chassis. Don't let the small size fool you, though... this amplifier is capable of serious power, delivering a full 400W of continuous total power into a 2 ohm load (14.4V, 1% THD). Targeted specifically for an audiophile-grade four satellite system, the XD400/4v2 includes a variable mode low-pass/high-pass filter with a continuously variable cutoff frequency selection from 50-500 Hz. The XD400/4v2 also features the v2 Spec feature set, which consists of automatic turn-on capability (via signal sensing or DC-offset sensing), and a dual-range differential balanced input section able to handle a wide range of input voltage levels. With the addition of an HD-RLC remote level control (sold separately), you can control the volume of one or both channel pairs of the XD400/4v2 from the front of the vehicle. This amplifier features a black powder-coat finish and a gasketed, brushed aluminum cover for the controls.
JL Audio's signature Advanced Thermal Rollback protection system eliminates annoying thermal shutdown events to keep the music playing, even under the most demanding conditions. Should the amplifier reach an unsafe operating temperature, a special circuit rolls back peak power output, without changing gain, until the amplifier cools down to a safe operating temperature. The red "Thermal" LED will light to indicate this condition has been reached. Once the amplifier cools down, the circuit restores full peak power output and the red "Thermal" indicator reverts to its normal state. The operation of Advanced Rollback Protection is inaudible in most cases.
From the same minds that gave us the technology found in the 'Slash' amplifiers, JL Audio has taken the simple fixed PWM design approach and enhanced it with a very high switching frequency. Full-range NexD™ amplifiers and channels feature a variable, ultra-high speed version of the NexD™ technology (switching at well over 400 kHz). In these designs, a self-oscillating modulator with "feed-forward" sends information about the instantaneous power supply voltage to the modulator, combining this with the input signal to cancel out any distortion due to supply voltage fluctuation. This reduces distortion prior to applying feedback, simplifying the overall feedback loop design.
NVX XKIT44
Full Spec 4 Gauge 100% (OFC) Oxygen Free Copper Complete 4-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 1500 Watts
Quantity: 1
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Manufacturer:
Model Number:
XD400/4V2, XKIT44
Weight:
13.87lbs
Internal SKU:
xd4004v2_xkit44
Internal Product ID:
197037
Good value
This kit is true 4 gauge copper wire. Worked great for what I needed it for. Not much else to say besides it is also very flexible!
121 found this helpful
Honda civic 2010 lx big 3
This big 3 is a very nice setup and I haven't installed it just yet. Great quality wire and you can never go wrong with this product. The price is ok just a little over my budget lol
115 found this helpful
Honda civic 2010 lx big 3
This big 3 is a very nice setup and I haven't installed it just yet. Great quality wire and you can never go wrong with this product. The price is ok just a little over my budget lol
108 found this helpful
Best kit money can buy
This kit includes everything I needed for my 4-channel JL Audio amp. I love it. The look of the fuse holder is awesome and the braided cable protector is great under the hood too. The RCAs worked like a charm and I had plenty of speaker wire included. No complaints.
109 found this helpful
great
Have not installed yet but it seems to be everything it claims to be. Did recomend itnto a friend but he didn't listen and spent way to much for a kitat a local best buy. Did a lot of research before I bought this kit and it looked like the best value for my hard earned money. Having not yet installed is why I didn't go all five stars. Soon it will be going into my 89 olds custom cruiser with 4 12s....
110 found this helpful
Great Amp Kit
This is a high quality 4g amp kit for a great price .... nice 100 amp fuse box
108 found this helpful
Awesome kit!!!
This wiring kit is the best I've used so far. It bends very easy in tight places and this is the size wire that I actually paid for. Don't waste $ on cheaper brands...NVX is AWESOME!!!
104 found this helpful
Great Complete Package
I replaced all speaker wiring in my car with this kit. The quality of all the wires is very good. NVX is nice quality!
105 found this helpful
great product
This kit is very good and great quality. I would recommend this product for basic and some advanced systems.
108 found this helpful
Top of the line kit at decent price
This kit has everything and is as good as you can buy. Better than jl, Rockford, stinger, and kicker. At a price less than or equal to those mentioned. True spec, silver tinned ofc
102 found this helpful
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