4-Channel Class D MHD Series Marine Amplifier • 150W x 4 Chan. @ 4 ohm • 300W x 2 Chan. Bridged @ 8 ohm • Regulated Intelligent Power Supply • Single Cycle Control Technology • Studio-Grade Signal Processing • Advanced Rollback Protection Circuitry
JL Audio's Flagship Series of amplifiers offer unmatched performance from an ultra-compact chassis. These Class D amplifiers require less power, generate minimal heat and take up far less space than the common amplifier design. MHD Series amplifiers reproduce your music with outstanding accuracy, providing high-fidelity sound even under the most demanding conditions, thanks to a number of JL Audio exclusive technologies. Single Cycle Control (U.S. Patent #6,084,450), R.I.P.S System and Advanced Rollback Protection are just a few of the technologies that sets the MHD Series apart from the rest of the market, all designed to deliver top-flight audio performance. In addition, behind every MHD's removable security cover, you will find studio-grade signal processing with fully variable crossover filters to properly tune in your setup and put all the technology under the hood to good use. This marine amplifier features white and gray powder-coat finishes, a gasketed cover for the controls and stainless steel hardware for durability in the marine environment.
Also included are JL Audio's noise-killing, highly flexible differential-balanced inputs with remote level control capabilities for the subwoofer channel via the HD-RLC remote level control (sold separately).
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.
The MHD600/4 employs JL Audio's exclusive Regulated, Intelligent Power Supply (R.I.P.S.) design. This sophisticated power supply allows the amplifier to produce high power over a wide range of speaker impedances. Unlike conventional amplifiers that require a specific impedance to produce optimum power, the R.I.P.S.-equipped MHD600/4 gives you the freedom to use a variety of speaker configurations without sacrificing power output or sound quality. The operation of the R.I.P.S. circuitry is entirely automatic and adjusts itself every time the amplifier is turned on according to the lowest impedance present at the speaker load.
JL Audio MHD600/4
600W 4-Channel Class D, MHD Series Small Profile Marine Amplifier with R.I.P.S. Technology
100% Copper, 4-Chan. True Spec 4 Gauge Amp Installation Kit w/RCA Interconnect & 60 ft Speaker Cable
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Overall rating distribution
By feature average rating
August 24, 2014
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....
August 16, 2012
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.
March 28, 2014
Quality Amp Kit
This amp kit is high quality. Don't expect sound hiss or whining from you audio system if you use this kit. As long as you wire everything up right and run your wires properly, then this kit is the best for the money and you'll like the quality. High quality copper makes a big difference in sound quality and proper power distribution.
NVX deserves a pat on the back for making this one. Good job.
September 17, 2013
Nice amp kit.
The speaker, power, and ground wire are exceptional. Very flexible, easy to run, no smell, true to size and just look and feel nice. The RCA looks good too but the ends fit on my amp a little loose. All in all, the kit works perfectly and looks good
April 30, 2014
Don't cheap out
I hesitated to go with a true amp install kit until I matched this up with a Rockford Fosgate amp that called for a 4 gauge install kit. Just the ease of installation was well worth the price. For 4-gauge wire this is really flexible and easy to snake through the dash and under the hood. Don't believe me? Go to a big box hardware store and just see how in-flexible 4-gauge copper house wire can be. Plus, the difference in the protective jacket of the two is night and day. The NVX kit is a winner hands down. I didn't need to use everything in the kit. Some of the hardware bits I passed up. But I used all the rest. Glad I bought it.
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