JL AUDIO JX400/4D 4-CHANNEL 400W RMS COMPONENT SPEAKERS TWEETERS AMPLIFIER NEW
C**K
lasted less than 2 years
I love JL audio speakers. I love the sound from them. I have several sets in my cars. I thought I try the amp to see if its as good as the speakers. I used Alpine previously and thought I can save some money getting this one. Install was simple enough and size is great for fitting under the seat. Sounds great initially but after about a year, I started to get distortion randomly in the driver side door speaker. I thought it was bad crossover causing the distortion so I swapped ou the speakers only to find it's the amp causing the problem. It's not all the time, but a sudden increase in loudness and distorting the sound. But annoying enough that I will have to swap out the amp and junk it. I have 2 of these amps and now my other one started to do the same......
R**Y
Just went down
Well, I’ve been in the audio game for over 20 years. In fact I have the original Jl Audio 500/1 Slash series that I bought as soon as it came out still going strong. From day one I had problems. I would get static noise ever so often. now after less than 2 years it died. Very disappointed in JL Audio for putting out an inferior product. Avoid at all cost fellow music lovers
W**E
I was extremely pleased with the upgrade
I bought this to replace a Kicker 4 channel amp that I used to power my 2 component 6.5 inch speakers and a pair of 6x9s in the rear. Install was ridiculously simple. I was extremely pleased with the upgrade. First off I believe they have extremely under rated the power output on this amplifer (I don't have a dyno to confirm). I love the crossovers (which I have set to HPF) and the frequency adjustment settings (I have set at about 150). This amp has brought my system back to life!! It has yet to get hot and go into "protection" mode. Although this is one of JL Audio's lower end products it definitely provides superior performance. I plan on ordering the 500 watt amp for my sub soon (I like everything matching).
H**D
Not an audiophile....but sounds great to me!
Got this, along with the matching single channel for the sub, to power four 6.5" speakers in a small car I'm working on. The compact size made the installation very easy, and it sounds great. Everyone who has heard the stereo is surprised at how good it sounds, especially when I tell them how little money I have invested. Some have significantly more invested in their stereos, and of those, some don't even sound as good. Plenty of power for the speakers. I will never hesitate to buy JL products.
M**L
Excellent amp, but not for smaller speakers.
I will say I did get a very deal on this amp. I purchased 2 sets of the JL C2-400x coaxial (35 watts RMS) speakers for my 2015 C300. Perfect fit.Next, I needed an amp. This was one seemed to have the proper specs to run my speakers. So I purchased it. When it arrived, the box had some kind of oil stain or something and was slightly dented. That really didn’t bother me, just as long as the amp itself was ok, which it was. Hookup was very simple and straightforward. The amp is definitely sturdy. It is solid metal with high quality terminals. Everything is labeled clearly as well.The only real issue I have, is that even with the gain turned all the way down and the crossover set to 120hz, the speakers will start to distort and even sometimes smell like they are burning if they are being played to loud. Obviously this amp is too powerful for these (they are only 4 inches and not made to handle really any kind of bass. Perhaps, I will think about putting some dynamat in the doors to improve the sound and not have to turn it up so loud.Back to the amp, I have NOT had problems with clipping, shutting off, one side of vehicle speaker working etc, that other reviews have had with this amp. It also does not run hot. The class D definitely runs very efficiently. In the near future, I will be purchasing another amp that will power these speakers to their specs.But overall, this is a fantastic, efficient, attractive and reliable 4 channel amp.Side not, I would only use JL Audio amps with other JL speakers. The sound signature matches very well.
J**T
Power is excellent. My speakers are around 70 watts RMS each
Clean, powerful full range amp. I have it running door speakers and they are loud and clear. Power is excellent. My speakers are around 70 watts RMS each, and I had to turn my amp's gain down to about 25% in order to get enough volume control. I still haven't found the top end of output or heard any distortion at levels that make listening almost uncomfortable. I would recommend this amp for anyone and would definitely buy it again.
S**R
Good Simple Amp
This amp fit my needs for what I needed at the time. I had changed out my speakers on my Harley Davidson Road Glide and the ohms from the factory radio and the speakers didn't match. So, to prevent damage to the radio or the speakers I brought this amp to match the ohms on the speakers. Well, to my surprise, this amp doesn't come with any gain controls or bass controls, so I will be purchasing a different amp this year. It's a good simple amp with a decent amount of power per channel.
C**D
Excellent Unit!
I have a 2013 Accord Sedan EXL v6 with the so called premium system. Well for me the "Premium" system just wasn't cutting it so was looking for more Umph! I went and replaced the stock speakers with JL 2650 components, JL 2650x for the rears and a JL 10" powered sub.Was looking at a few different amps then came across this. From the reviews of this unit went ahead and purchased this Amp and I wasn't disappointed! Paired with the Audio Control Matrix my system is more than satisfying! More only grip is the hex head screws that after a few uses the L wrench & the heads or worn?! So only 4 stars. Looking to replace with phillip head screws.If you're looking for a compact powerful amp that won't break the bank look no further! Ad you can't go wrong with JL gear.p.s. still have to tidy up the wires...
E**A
Excelente
Es un cambio notorio lo que este amplificador da a los medios, fuerte y nítido, lo recomiendo
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