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Subs make one very loud bang when car starts i have a kenwood kdc 528 deck and 2 pioneer 12in subs an amp

I have a kenwood kdc 528 deck and 2 pioneer 12in subs an amp my problem is that every time i start the car the subs bang once real hard other than that it works as it should i have it all wired the correct way to the best of my knowledge only thing not connected right is the power remote wire from amp to a power source.. i just took a small piece of wire an hooked it straight to the power cord from amp/// is this OK if not plz tell me where to connect it i drive a 01 Buick century

Posted by eric red on


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Lissa Wied

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  • 344 Answers

Hook it up properly to the deck remote on wire ,(Dude) End stay off the (Drugs)

Posted on Nov 28, 2012


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  • 55 Answers

SOURCE: my subs sound distorted and dont pound right

Are you sure the polarity is correct on the sub's connectors? This is very important as reversing them will cause the sub to pound inward instead of out. Make sure the wires are thick enough and that the amp's + connector goes to the red(or +) connector on the sub and that the amp is grounded properly to a clean piece of metal on the car's body. This ground wire should also be as short as possible. Also make sure the fine-tuning for the bass level on the amp is adjusted correctly and that the sub's enclosure is the correct specification ie. Ported or sealed, right size, etc.

Posted on Mar 09, 2009



  • 77 Answers

SOURCE: alpine type-r 2ohm dual voice coil help

try reconnecting your rca's from the deck to the amp when finished wire one speaker positive to positive on left channel and negative to negative on right channel then connect the 1st subwoofer. if all power and sound is fine and working turn off power to amp and connect negative terminal of 1st sub to positive on 2nd sub and positive from first sub to negative on second crossing the wires runs the speakers in series another way to try is parralel the speakers wiring by connecting positive left channel output of amp to positive on 1st sub same with the negative then splice positive to positive on second sub and same with negative.

Posted on Feb 18, 2009


Mike Ryan

  • 98 Answers

SOURCE: i hooked up the pioneer

either the rcas arent outputting the audio signal or you have a bad se tof rcas. An amp is obiously not your issue in this case.

Posted on May 09, 2008


  • 6966 Answers

SOURCE: sub wont hit


Appreciate again the "Ask Me".

Appreciate the "FixYa" rating you have given me here. moz-screenshot.jpgA request if I may, my being able to assist you is largely dependent on my standing (rating and raking) on the site. Since the Panasonic has been successfully dealt with, perhaps you can re-evaluate and rate the following as you see them fit:

Many thanks in advance. As to your current concern, the 400watt bridged amp:
  • if the Panasonic was wired reversely, might it be possible that the sub amp was likewise wired reversely and therefore suffered similar electronic failure?
  • most high power amps have a built-in DC to DC power supply other than the external 12VDC, these would often fail if reverse power is delivered even just once;
  • since it is heating, then it is actively drawing power. that would mean that (if it is wired correctly), the SMPS (switch mode DC to DC power supply) might have a problem. Often culprits may include:
  1. capacitor;
  2. regulator;
  3. diode;
  4. or any of the other components.
Further diagnosis leading to a repair would require familiarity with electronic circuitry and components, use of a DVM and a soldering iron. Or perhaps you may again seek the assistance of whoever worked on the Panasonic.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Posted on Aug 06, 2008


  • 2 Answers

SOURCE: No sound..amp has power to it

After three days of torture, I was going to rip it out, until I decided to make a fresh ground. I drilled a small pilot hole and got a brand new self tapping screw...voila!!! Works like a charm.

Posted on Sep 19, 2009

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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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Can I hook two 12in. Subs up with a 1100w amp. Sony explode, pioneer subs

Yes....hook one up to the left channel and one up to the right.....once everything is wired up.....keep gain down on amp and turn stereo on.....turn up stereo with amp gain down to right before high end speakers start to distort......then while its playing, turn amp gain up about 1/2 way. close your trunk and hop in drivers seat....sound gd????? You might have to adjust level on amp and bass on head unit to taste.....Be careful subs are only rated around 300 watts continuous.....dont want to blow luck....

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Deck shuts off, when loud, while idling or at stop lights.

You are working your deck to hard, it is overheating and shutting down (protection mode) You like it loud, you will need a 4 channel amp. Also check the ground on your deck to ensure it has a nice connection.

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Need help

It should be better to use the Pioneer GM-7200M Amp with your subs.

For 8 ohm setup hook up this way:
Amp out+ to Sub1 +
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Amp out - to Sub2 -

For 2 ohm setup hook up this way:
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