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Hi there when i hook up the bass control via

Hi there when i hook up the bass control via cable from amp to front of car.when i turn off the car if the bass control remote isn't plugged in,the amp turns off..but if i have the bass remote connected the amp stays on and the red light on the bass remote stays on. if unplug the bass remote and plug it back in the light is out and the amp is off.. thanks

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Posted on Jan 02, 2017

  • 108 Answers

SOURCE: Bass control stopped working

on rockford amps, the bass control knob needs to be connected to get the maximum output (+18 db gain i believe). If you did this to the power wires, then yes, you may have at least damaged the bass control knob. Try replacing this to see if you get all of your gain back. If not, then you have damaged something inside the amp...maybe a capacitor or power supply inside. If that's the case, you'll need to get the amp looked at by an electronics repair technician or local stereo shop.

Posted on Aug 11, 2008

  • 631 Answers

SOURCE: amp not turning on


With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp (not on the point where the ground wire connected to the vehicle) and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. If the voltage is below ~11 volts, you need to check the wiring feeding whichever line is too low.

If neither is too low, the power supply in the amp is probably blown.


Posted on Nov 11, 2008

kenw392
  • 2226 Answers

SOURCE: Noise in my car amp.

sounds like you have a bad ground going to your rca's. try running a wire from ground to the shield of your rcas and see if the noise goes away.

Posted on May 08, 2009

  • 147 Answers

SOURCE: amp pops randomly and gets worse with my remote

When you say that the amp "pops" are you referring to the sound that is coming out of the speakers?
This is most likely the speakers "bottoming out", i.e. moving as much as they can, and then slapping against the back of the speaker frame. Adding the remote bass knob (presumably increasing the signal to the amplifier) would make the problem a bit worse, which explains why the popping increases after you add the bass knob.

You can try decreasing the gain on your amplifier and running the system at a moderate volume. If there's no popping occurring, you can be reasonably sure that the subs/speakers are just being over-driven.

Posted on Mar 04, 2011

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I have 2 kicker lmpulse 1x402 amps. How do you hook both in line to power 2 10" subs, 4 ohms each


It isn't wise to connect the business end of amplifiers together so if you want or need to use them together you do it at the input end.

It is better to use an active rather than a passive method, simply connecting the inputs together in parallel would work but is not recommended and the results are unpredictable. A passive splitter would be better and produce more control and predictability.

It depends what results you are looking for. Clearly it is better if each amp drives only one speaker, especially if they aren't an electrically matched pair. If the amps normally require an 8 ohm speaker it should still be acceptable to use 4 ohm loads as long as the peak input at the front end doesn't exceed half the rated maximum.

You could use one amp on each channel for stereo via a suitable preamp or you could use an active phase splitter and use the two amps as a single push-pull amplifier with two outputs or with a front end filter you could make one amp work on the bass to midrange frequencies and one sub-bass to bass frequencies.

Some of the stuff is probably commercially available but some would need to be constructed so what you need is a friendly tv engineer or an electronics enthusiast...

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1 Answer

I was given a subwoofer and box but do not know where to go from here in terms of hooking it up in my car. It is a Rockford fosgate punch p112s4.


First youll need an amp. Depending on what size the sub is a 500 watt rms amp can hold up to about a 300 watt kicker. If your looking for something bigger u can get a 1000 watt amp and hook up two 300 watt kickers. To hook up the amp youll need a car amp power cable, power control cable, speaker wire, amd a car amp ground wire. They usually sell kits that run aboyt 40 bucks. The power cable goes to the batter as well as the ground cable. The power control cable goes to the back of the head unit. (You will kost likely need a more modern headunit if urs is stock). Once this is done put the sub in the box (i recomend super glue because metal nails take away from the bass). Put the speaker wire to the speaker positive on left negative on right. Same with the amp. And now ur bumpin ;)

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1 Answer

I have 2 12in kenwoods and a 1200 watt pyrimade amp, how can i hook these up to be the loudest


1st have your subs facing inwards towards the front of the car, not facing out the boot, This creates a better bass.

Wire 1 sub to one channel and the other sub to the other channel.

Turn down your gain as low as possible and then power everything up.

turn volume to desired loudness and then start turning up the gain slowly, if distorts a little turn in back down a notch.

avoid using bass boost, I agree it sounds great but it puts more strain on your amp and shortens its life.

after sorting out your gain, tweak all others until sound is bassy and clear with no distortion.

If you would like to use bass boost, turn on bass boost first, then up your gain etc.

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1 Answer

I got a sony xm-460gtx amp I hooked it up in my truck everything was working fine then I disconnected the battery and reconnected it now there's power to the amp but no sound out of the amp???


If you are getting power the amp lights will be on k so I would check your coax cables and all hook ups to the amp. on some radios there is a sub control that will turn on your sub and to adjust your bass mine does the same thing when i disconnect power to the radio.

Oct 31, 2011 | Sony Car Audio & Video

1 Answer

I have a Kenwood KAC-9104D that will power on but not produce any sound??


Be sure the RCA cables are attached and in good condition.
Be sure the remote wire from the deck is hooked up and good.
Be sure the GAIN control is turned up.
Volume on head unit is up. Make sure BASS options are not turned off on deck.
Be sure wires are going the right way. + to + & - to -
Loose wires in the box. Make sure subs are hooked to the terminals inside box.
Check all fuses on amp to determine if 1 or more i blown.

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1 Answer

The amp worked fine for about a year then one day the bass would not play through my subs properly sounding like a cd skipping only with the bass i would turn volume down and it would work fine until a...


When you hooked up your amp, did you hook it directly to the head unit so that it didn't come on with the car? Did you find the inline fuse in the amp positive cable? Few things to check..

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I have an Infinty Bass Link hooked up to my 2002 Honda Accord sedan for extended bass response on the standard stereo. I hook it up with premium power cables, etc...according to manual. I then hooked it up...


Hi,

Does the servo led stay on? If so, you might have a fractured solder joint. Inspect the switch control PCB for fractured solder joints and check the Positive and Negative 15v outputs on the same board.

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Still no sub woofer output


SET THE CROSSOVER TO "L.P.F."POSITION AND SELECT THE LOWEST FREQUENCY AS THE CROSSOVER POINT.
[AN AMPLIFIER IS SUPPOSED TO "AMPLIFY"(TO INCREASE)ANY OUTPUT.]

TRY CHANGING THE POLARITY OF WIRES FROM AMPLIFIER TO SPEAKERS /SUBWOOFER.{it leads to cancellation of bass output.}
if u still have doubt contact me again.

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1 Answer

Amp went into protect, but front speakers sound distorted too


If the amp still goes into protect mode, the easiest thing to do is disconnect the RCA cables from the amp and see if still goes into protect mode (after turning off/on). If it does, the issue lies in the amp or the wiring to/from the amp (most likely case). Check to make sure no speaker wires came loose and touched +12V or ground (car body). From the sound of it, my guess is something internal to the amp died and will need repair.

Mar 22, 2008 | Car Audio & Video

2 Answers

Wiring Advice


they are to adjust output levels. yes you can hook up the sub to the amp. it is not wise to hook up the front speakers with the sub though. just get a less powered amp to drive the front speakers. 

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