Jensen A600HLX Car Audio Amplifier - Answered Questions & Fixed issues

HelloDisconnect all speakers from the set and switch it ON. If it goes into protection mode, surely the device need service. Something shor circuit is with it inside the circuit. If it does not goes into protect mode without speakers, make sure that any one among the speaker connection has some kind of short with the car body of the speaker itself has damaged. Connect the speakers one by one and find out the damaged speaker or faulty speaker line. OK.

U need to check the impedance of your woofers .If they are 4 ohm i would reccomend hooking them in series, which is the positive output of your amp will go to the positive of one woofer, the negative of that woofer goes to the positive of your other woofer and the negative goes to the negative output of the amp.If that amp is bridgeable this will give u a good bass and the impedance will be 8 ohm so your amp will run cool and stable

MAKE SURE YOU HAVE A SOLID, STRONG GROUND CONNECTION BEFORE ANYTHING ELSE!!!!!
Make sure you are using the proper gauge wiring for your amp.


Is the amp set up in bridged mode? What is the impedance (Ohms) of the Rockford Fosgate 12? If the impedance of the speaker is different from the impedance for the amp in bridged mode, it WILL get hot and cut off. Also, if you overdrive the amp, the same will happen.

The amp is stable :

75 watts RMS x 4 channels at 4 ohms

100 watts RMS x 4 channels at 2 ohms

200 watts RMS x 2 channels bridged at 4 ohms

300 peak watts x 2 channels bridged at 4 ohms

Also, what model is the subwoofer? What are the specs? Is it single or dual voice coil?

You can most likely mount a cooling fan on the amp and have it turn on using the remote sensor wire. If the amp still cuts out, you're overdriving it.

Good luck and keep me informed!
Ed the Whizman

what subs? do you have a part # or do you know are they single post or "dual" posts?

HAVE YOU TRIED A GOOGLE SEARCH FOR THIS DIAGRAM

Hey austinpippen,
The noise you are experiencing is due to your rca plug shorting out causing a loop, in outher words, bad earth.
Try getting a noise filter, you take your rca plug and plug it into the noise filter, then wire it to the amp!
you can try a ground loop isolator or relocating your ground [earth].
I hope this helps you out.
Fingers crossed.

take the number of watts your amp puts out. divide it by 2.
thats how many watts rms you should get.

Sounds like you do not have Enough room for it to Breath. It will overheat and Short out if not Ventilated Properly.

This could cause from different issues.

1. Check if there's any voltage leading from your ignition to the remote cable on the AMP. If you have voltage on the ignition check the fuse that connect inseries on the remote cable.

If the fuse ok you might have other problem in the Audio Output stage.

Good luck.

it would be cheaper and smarter to buy a new one

input and output slots???? is it playing although thump present,low current could be the problem check for good connections as well as adequate wire guage.

thats a car dvd player right what u would do is to take the back of the unit and look for the female ends of rca's on the unit that they will say rear out put hook them up and run them to the amp and i dont get what u mean about the remote wire but let me no if that helps

Both the bass boost and the gain generally do the same thing, except the bass boost is essentially "additional gain" at a particular frequency (in this case, 45Hz). I would suggest lowering the bass boost (10?) and adjust the gain. Honestly, you may have to play around with both settings until you find a happy medium. There is going to be a maximum the amp can provide no matter how you get there. Hope that helps!

Swap the wires from one speaker to the other to see if it is the speaker or the Amp/wires. 

check pwm ic 494 or other

I can't find any documentation for your amp; it was made when Jensen was owned by Recoton, and they're no longer in business. With any 4-channel amp, you can't bridge all four channels into a single channel. What you can do, if you're connecting it to a single sub, is to bridge two of the channels into one channel and leave the other two channels unused. It doesn't usually matter which two channels you pick, but some 4-channel amps designate channels 3 and 4 (or rear channels) for the subwoofer. Whichever ones you use should have a "LPF" or "LP" crossover setting available.

No. The amplifier gets its signal from the RCAs connected to the "input" jacks, but the "output" jacks are just there to make it easier to add another amplifier. You only need to connect the inputs for the amp to work.

This sounds like you need a ceramic noise suppression filter/ferrule on the Power line to the amp. You should be able to get a suitable one from most car audio shops. Hope this helps, please post again if you have trouble getting one :)

These solid state amps have no user serviceable parts inside them as everything is soldered into place and your gonna need to know how to use a multimeter to trouble shoot the parts inside the amp on the printed circuit board. Sorry But without the proper training and the right tools you could cause more damage to the amp if you dont know what your doing. You cannot just open the unit and see whats bad. You must test each suspected bad part and replace it as needed. You should take the amp in to have a pro look at it, as there is no easy fix on these unless its an external fuse, and a fuse will very rarely blow all by itself. Good Luck

See my solution for: http://www.fixya.com/problems-solutions/t115301,p424435/Eclipse-Car-Amplifiers.aspx And they shouldn't need a schematic unless they can't read the part numbers of the fried components.