600W RMS HD Series Class-D 4-Channel Amplifier
• 150 watts x 4 channel (rated power from 1.5 to 4 ohms)
• Bridged: 300 watts x 2 channel (rated power from 4 to 8 ohms)
• Total RMS Power: 600 watts
• Class D 1.5 ohms Stable 4-Channel Amplifier
• 150 watts x 4 channel (rated power from 1.5 to 4 ohms)
• Bridged: 300 watts x 2 channel (rated power from 4 to 8 ohms)
• Total RMS Power: 600 watts
• Class D 1.5 ohms Stable 4-Channel Amplifier
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. HD 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 set the HD Series apart from the rest of the market, all designed to deliver top-flight audio performance. In addition, behind every HD'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.
Also included are JL Audio's noise-killing, highly flexible differential-balanced inputs with remote level control capabilities 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 HD600/4 employs JL Audio's exclusive Regulated, Intelligent Power Supply (R.I.P.S.) design. This sophisticated power supply allows the amplifier to produce its optimum power (150 watts x 4 or 300 watts x 2 [bridged]) 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 HD600/4 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.
Internal Product ID:
15358
Superlative Amp Superlative Sound!
I decided to get serious with my new car and the audio system and did a hell of a lot of research and it certainly paid off. This is the best amp I have ever had, and may I say I've been a DJ for 26 years and this JL HD600/4 amp can handle anything! Combined with JL C5650 Audio speakers and a 12" sub, the sound for me is just superlative with so much headroom and zero distortion. Thanks also to Sonic Electronix for such a great deal. Couldn't believe it until they arrived in my hands in Australia, but was so happy when it was the real deal. Highly recommended product and seller.
50
found this helpful.JL Audio HD600/4 clean powerful not affect my electrical system in my truck
Clean and very powerful amp don't let its small size fool you this thing rocks! Very good in terms of power and clarity and to top it off not adversely affecting my 2011 Toyota's stock electrical system, no dimming lights, monitor voltage and not have any issues, of note also running JL Audio HD1200/1 Pushing 4 TW5-3 13" subs in a sealed box, sounds powerful and clean with the sound stage of the JBL 660GTi speakers sound amazing!
48
found this helpful.Rock solid
This is by far the best amp I had a PDX-150 and a kicker zx650 and both would shut down from overheating after 25 min but the jl keep playing without even getting hot
46
found this helpful.BEST AMP ON THE MARKET
this amp is one of the best amps ever made in my opinion. great sound alot of power small size. doenst get hot. stays warm. ive used in a 3 way mode with sub and sounds great also as a 4 channel for my door speakers and it gets real loud and yet clear AWESOME JL AUDIO KEEP UP THE WORK! AND SONIC IS THE BEST PLACE TO BUY CAR AUDIO!!
44
found this helpful.Sonic Electronix is the Best!!
I have had many purchases through SonicElectronix and every time it has been a pleasure to do business with them. They have great prices, speedy delivery and their customer service is superb. My latest purchase was the JL Audio HD600/4 amp and it is a quality item. It is powerful and the audio clean, crisp and detailed. This amp will not let you down.
42
found this helpful.the best
powerfull amp!!!!!!!! 5 years after still the best amp highly recommended!
40
found this helpful.Robert
Great sound, worth the extra cost. Recommend if you want great sound purchase.
38
found this helpful.Great amp!
I dont personally run this amp, but a close friend of mine does whom ive helped install/tune his system. The size of the amp is pretty small, so you have more options for amp placement. This is a powerhouse to, and sounds great. The only complaint, is that it uses a connecter for the speaker terminals instead of wiring directly to the amp (this is me personally, its a lot easier for isntall purposes and you dont run the risk of stripping out the phillips screws on most amps). Overall, great amp, just a little pricey.
39
found this helpful.Well worth it.
A little pricey but these are the real deal. I installed these (600/4 and a 750/1) with no worries.
39
found this helpful.Sound is lifeless.. sorry
For an expensive 4 channel car amplifier you would think the sound would take your breath away if connected to decent hi-end quality speakers. For the JL HD600/4, I feel this is not the case at all. Like the other reviewer said I was left scratching my head trying to figure out why the sound was just mediocre - just meh. Any lesser quality A/B amp would definately outshine the JL HD because I feel it lacks fullness and instrument realism. I had tuned and played with crossover points, db levels, and equalized my head deck (80prs) for hours trying to figure out why my music wasn't producing the results I wanted. It was like everything was flat. There was no depth to live instruments or fullness- something was lacking. I eventually gave up with the JL HD series and installed and another amp.. immediately the music came to life but was still lacking some depth and realism ( had some serious kick in the low end - but the highs were a bit fabricated). I then took the chance and went with the Kenwood Excelon XR400-4 ( yes a Kenwood - I thought i would never say that) and HOLY COW.. like night and day. The Kenwood outperformed the JL HD600/4 in every aspect in terms of depth, fullness, realism, dynamic, punchy, and crisp! The Kenwood also had NO NOISE! NONE.. something the JL HD had especially at higher volumes. Save your money and put it towards an Excelon if you are looking for a quality Class D Amplifer that sounds waay better & less $$!!
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found this helpful.Best selling similar products