Question about Pioneer DEH-P6900UB CD Player

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No sound out of the speakers.front or rear.The amplified sub works fine

Im getting no sound out of my speakers,just me amplified sub.

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  • amtracker Feb 21, 2008

    i have the same problem right now. everything worked the first few days now I get no sound out of any of the speakers. did you happen to find a solution. if so please email me at

  • moneypennym Jun 28, 2008

    i dont have any sound through my speakers, everything is wired properly

  • shortj07 Nov 16, 2008

    same problem. just sent off to repair shop.



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Have you just installed the sub and if so tell me how you did it. you can actually turn off the rest of the speakers if not careful.

Posted on Dec 12, 2007


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1 Answer

Rockford Fosgate Power 1000 amplifier. (25 to life) When I turn it on there is almost no sound coming from speakers. I have to turn up the volume almost to max to hear something. But only very high...

turn or flip the LPF and sub sonic buttons to see if they will help.
there are other buttons called gain that you may have to turn to bring up the volume.
its very likely your eq buttons that you have to mess with to get it right. post up pics if you can.

Nov 02, 2013 | Rockford Fosgate Car Audio & Video

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Speakers front 1 and front 2/sub room section work fine, but the center and rear sections won't work.

Is this an amplified system by a amplifier? Check the connections at the back of the receiver/radio. Also check the settings of your radio, the center & rear channels might be turned off.

Apr 09, 2011 | Car Audio & Video

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I have a Fisher RS-909 Surrond Sound amplifier. It has no "sub out" jack. I had the sub-woofer working in the past by wiring it as shown in the manual. The problem is that the system was in...

Alright i had a chance to look over things, this is how you are going to hook up the sub. first we'll be connecting the surround sound unit to the sub woofer.
surround sound unit sub woofer
left front: positive (+) <-----to------------->(+) left speaker level in
negative ( - )<- - -to- - - - - - ->( - ) left speaker level in

right front: positive (+) <-----to------------->(+) right speaker level in
negative ( - )<- - -to- - - - - - >( - ) right speaker level in

now that the surround sound unit is connected to the sub woofer you will need to connect the front surround sound speakers to the sub woofer.
sub woofer front surround sound speaker
left speaker level out (+)<-----to--------> (+) left front speaker
left speaker level out( - ) <- - - to- - - - ->( - ) left front speaker

right speaker level out (+)<-----to--------> (+) right front speaker
right speaker level out( - ) <- - - to- - - ->( - ) right front speaker

Alright now that the wires are all over the place and plugged in
turn everything on and see how it sounds. let me know if everything is working as it should. if you need help with anything else or if something does not seem right please feel free to contact me via e-mail or phone
Mark Woodring

Feb 13, 2011 | Audio Players & Recorders

1 Answer

Subs not responding to Sony CDX-GT500

you cna switch the working rca's to the sub out put to check for sound if u get sound it means your rca's are bad but if no sound then your other outputs in your radio may be deffective

Jun 12, 2010 | Sony CDX-GT500 CD Player

1 Answer

Wiring Speaker to amp

remove all speaker connections to your amp. MAke sure the inputs are driving all 4 channels, and that the built in crossovers on the amp are all set to full range. Conect your full range speaker to each output channel one at a time and verify there is oputput on all 4 channels. If all is ok, then connect your rear speakers to the front(a) outputs of your 4 channel amp, and then use the second 2 channels (rear or B) bridged to drive the sub. Re-configure the crossovers for highpass for front (to drive your rear speakers) and lowpass for sub. This is the proper way to connect a 4 channel amp with a sup whle driving 2 full range speakers.

Jun 10, 2009 | Car Audio & Video

1 Answer

Car audio

Most likely the RCA's are running from the sub out on the deck to the amp. You need to run two sets of RCA's for a 4 channel amp. One for the sub out and one to the front or rear channel.

Hope this helps.

May 12, 2009 | Kenwood KAC-9102D Car Audio Amplifier

1 Answer

Amp playing speakers very quietly

it sounds like you have the polarity of the speakers hooked up wrong on one of them, try unhooking the new speakers you added and hook them back up one by one, when the music gets fuzzy then reverse the wires for that speaker, this should cure your problem.

Mar 07, 2009 | Kicker 06ZX750.1 Car Audio Amplifier

1 Answer

"speaker location"

Yes, You can fit these in the Doors with Modification. Your best Sytem Would be 2 in Front, 2 in Rear, and Sub. If you REALLY Wanna get into it, Go to and Purchase the Pioneer 7800 Series Equalizer and 3 Amplifiers. AWESOME SOUND!!!!!!!!! Please Rate My Response! Thanks!

Feb 05, 2009 | Jl Audio 12W3 Car Subwoofer

1 Answer


does the volume change with the variable resistor knob when you turn up or down? If you open you may see burnt resistors in that area.

Sep 14, 2007 | Sony XM-4060GTX Car Audio Amplifier

1 Answer

Rear speakers dont play with connection box

I believe this is a wiring incompatibility problem. The reason I say this is because when the mp3 player is out the jack which contains switches engages the front L&R and the Rear L&R, when the plug is inserted into the jack the jack switches should remove the audio input to the amplifier and replace it with the audio from the mp3 player. The switches should then send sound to the front L&R and the Rear L&R but the only change should be that the mp3 player is switched in instead of the audio from the raido unit. what is happening is that the jack switches are only switching in the front L&R speakers. This just might be a function of the unit. check the owners manual. here is a site that has the manual:

Sep 21, 2006 | Sony XAV-7W 7 in. Car Monitor

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