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My amp ps2-1600 powers on but sub not working i hooked up an old speaker that seems to work but sub wont work no power to the dub checked all wires 3 times already

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Is the sub single or twin?

Posted on Nov 11, 2014

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Posted on Jan 02, 2017

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I have 2 amps instalkled in my car one is sony 1200w 2 channel amp for speakers and one is solid audio f2500d for 3 subs my sound and every thing was good but suddenly from yesterday im having trouble when...


First disconnect the CD head unit from the sub amp and see if the other amp works. If yes, the problem is the wires to the amp, the amp itself, or the subs/sub wiring. If no, the problem is the head unit--probably an internal short.
If the other amp works with the sub amp disconnected, reconnect the sub amp to the head unit, but disconnect the sub wires from the amp. Try the CD player. If the amp goes to protect with no speaker wires attached, the amp is bad. If the amp is OK, the problem is the subs or sub wires. Hook the wires up to the amp again, but disconnect them from the speakers. Try the player again. If the amp goes to protect, the problem is the amp wiring. If not, the problem is the subs. Check the impedance of each sub using an ohmmeter to determine which amp is out of spec.
Please let me know if you have questions, and thanks for using Fixya.

Jun 11, 2011 | Solid Audio F2500D 1-Channel Amplifier Car...

1 Answer

The amplifier power ligh comes on but the sub woofers wont play what could be the problem. I hooked up a different amp and it worked just fine.


Even tho the power light is on doesnt exactly mean that the amp is sending signal to the speaker wires.... sense everything else is working make sure to check your fuses on the amp and also check to make sure that the amp is "receiving" an input from the RCAs

Feb 25, 2011 | Car Audio & Video

2 Answers

Subs quit working its not the amp they were working fine


How do you know it's not the amp?  Have you tried hooking up good speakers to the same output terminals of the amp?

Speaker failure modes: Usually they fry, the foam surround disintegrates, or there's a bad internal wire connection/solder joint that fails. Subwoofers are designed to handle a lot of power and rarely fail.

There are three possibilities: 
1) The signal isn't getting to the amp from the crossover.
2) The amp is toast.
3) The speakers are bad. 

You don't tell me whether you have a separate amp for the subs with an external crossover, or whether you have one amp with internal crossover and separate internal amps and speakers outputs for subs and standard speakers, so I can't be more specific.

What you can do is:

Check all external connections, including the power connections.

Try substituting replacements for the patch (signal) cables to see if you have a bad cable.

Beyond this, it's pretty much up to a repair technician.

Nov 15, 2009 | Jensen XS-10W Car Speaker

1 Answer

My amp was bad so i replaced it now my sub does not work i checked the wiring that goes from the amp to the speaker and everything seem to be ok then i put another speaker thinking it might be the sub and...


It doesn't sound like the wiring from amp to sub is your problem.

Is your amp getting a power light ?
Are you sure your remote wire is hooked up properly ?
Check both ends of your RCA cables

Jan 05, 2009 | JBL GT150 Car Subwoofer

1 Answer

Car Speakers


YOUR POWER WIRE IS NOT STRONG ENOUGH TO HANDLE THE POWER. GET A BIGGER POWER WIRE AND SEE IF THAT HELPS

Jun 30, 2008 | Car Audio & Video

1 Answer

Will not power


are u sure you didn't blow a fuse? check the fuses to make sure you did not blow one because the amp will not work in that case. make sure you are not over working your amp as well because it seems like that amp is not big enough to power all four of those subs. usually 4 channel amps are used to power speakers not subs. what is the rms on your subs and amp? i could better tell whether your amp is big enough. thanks hoped this helped

Jun 24, 2008 | Rockford Fosgate Punch 301S Car Audio...

2 Answers

ONLY ONE SUB IS WORKING


did you try to switch channels with the subs and see if it is the channel on the amp. if it works then its the sub and it will need replaced

Apr 01, 2008 | Jl Audio 12W3 Car Subwoofer

4 Answers

I have a dub 4001 amp


Take it step wise.

Unplug the inputs and outputs from the amp (be sure to mark the wires so you can hook them back up), leaving only the ground, +12, and remote wire hooked up. Now, turn it on. If the amp light goes red, the amp is broken. If it goes green, turn if off, plug in the speakers, then turn it on. if it's red, its a speaker problem, if green, do the same with the inputs, and you'll have your answer.

Jan 22, 2008 | AudioBahn DUB Mag Audio DUB4001 Car Audio...

2 Answers

Car sound system. only sub is giving off sound. other 4 speakers dont work at all


Could be bad outputs from the back of your head unit or also could be bad rca cables. Make sure the amp is on and powered.

Dec 13, 2007 | Kicker CompVT CVT654 Car Subwoofer

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