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JL Audio HD600/4 Item# 20860
600W 4-Channel HD Series Small Form Factor System Amplifier
JL Audio :: HD600/4 :: $649.00
MSRP: $849.99
You Save: $200.99 (23%)    
Our Price: $649.00
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Condition: Brand New Avg Rating: 5 Star Rating
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Customer Reviews

Average Rating
Overall: 5 Star Rating
Features: 5 Star Rating
Value: 5 Star Rating
Quality: 4.5 Star Rating
vinnie From Canada
Overall: 5 Star Rating
Features: 5 Star Rating
Value: 5 Star Rating
Quality: 5 Star Rating
I had a JL Slash 300/4 V2 running my mids and highs. I've directly swapped the Slash for this HD600/4 and Oooohhh it sounds so good! I believe the damping factor with the HD line adds to speaker control which refines the sound quality. Even though this amp is 150w per channel and the slash 300/4 is only 75, the difference in loudness is not overpowering but noticable. You'd think that more watts going to a 75w speaker would make it distort more but it doesn't. It provides a clean controled sound at upper volume levels. The sound quality is amazing....WOW! To top it off, this amp runs cooler and draws less from the battery. I'm running a 40A master fuse at the battery with this 600/4 and a Slash 500/1V2 and have not blown a fuse yet. Class D all the way!
 
michael From tampa fl
Overall: 5 Star Rating
Features: 5 Star Rating
Value: 5 Star Rating
Quality: 5 Star Rating
I must say this amp sounds great i have it off 6 1/2 polk sr in front and in the back. i switched from a 300/4 v/2 amp. i must say what a difference the music is a lot more clear and the power you can run to your speakers is crazy. you really get cleaner power with this amp. if you are on the fence about this amp dont be its worth every penny in my book and been into car audio 11 years now.
 
Peter From okc
Overall: 5 Star Rating
Features: 5 Star Rating
Value: 5 Star Rating
Quality: 4.5 Star Rating
Well I upgraded from a alpine mrp f600 which i only had for two months. I decided to upgrade after i herd my friends jl audio 450/4. An I was amazed. So i tried to look for something a little better , and i came across this. It's a nice amp . I herd things i never herd from the alpine, or the 450. BUT it doesnt have the deep bass out of it like my other amps had.Noneless its a great amp if you are willing to dish out the dough
 
Malc From Florence, KY
Overall: 5 Star Rating
Features: 5 Star Rating
Value: 5 Star Rating
Quality: 5 Star Rating
Got this one in my 2007 Tahoe paired with the JL C-5 components tuned at 80 hz and they absolutely SCREAM!!! Can't wait to add the JL 12w7 HO and the JL HD750/1. Orion, MTX, Kicker, etc are all great. I've had and heard them all, but I personally prefer JL Audio, and this time I had the money to make it happen!!
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