Ive checked and double checked all my connections between the deck amp battery and sub. no wires are exposed. recently a speaker was shorting out on my chassis because the magnet in the speaker attached itself to the chassis so all speakers didnt work. i readjusted the speaker and secured it the 4 speakers worked fine but my sub didnt work, i tried using another sub but still didnt work, i also tried another headunit and still nothing. my amp is only about 7 months old and i'd had 2 have to purchase a new one if mine can be repaired. its a sub is a 1200 sony xlpod headunit and speakers are pioneer
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Re: amp works but no sound from sub
Some older Pioneer radios require you to connect the Subwoofer RCA to the rear output on the back of the radio and then you have to turn on the subwoofer in the menu on the radio. What model Pioneer radio is it? Also, make sure that the RCA plugged into the amp is on the input side, not the output side.
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Good day sir, hi, there reason why speakers don't work could either be the folowing:
you speaker voice coil is burnt, to test, you need to get the door speakers out and locate the terminals, prepare a 1.5 double AA battery, use this to test you speaker. connect a wire from the negative of the battery to the negative of the speaker, and the positive battery to the positive terminal of the speaker with a series of gentle taps, you should hear clicking sound. if not replace the speaker.
Do it on the other door speaker.
2. check your speaker line from the amplifier to the door speaker.
3. check your power amplifier for loose and improper connection.
4. check your power amplifier itself. Thats it.
Its a little work, visit your local electronic repair shop if your speaker still won't work.
If your deck is aftermarket; Does it have a dedicated Subwoofer output? if so, check the control in the deck (sub gain). If you are using a factory radio, and a high to low level adapter (speaker wires to RCA), it may be bad (not too uncommon) or check your fader front/rear any difference? Otherwise, you have one of two problems. A bad preamp in the deck or a bad pre amp in the amp. Both are fairly uncommon. More than likely it's a setting. Hope this helps
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.
if you are trying to run some highs with built in high-pass crossovers off of a amp that is setup for subs(amp is on low-pass) then your highs will not work. You are better off running another amp or running them off of your deck...