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How tohook up sub out rcawires with only one pre out wire

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How to i install a Pioneer DEH-1250 to a Jensen 5500?I got these as a gift and its like confusing me.Please help me out and send me a diagram on the input wiring from the Pioneer player to the Jensen 5500-...


Hi, what you want to do is just connect the speaker wires from the head unit straight across to the pre-amp inputs of the amp. If you have a sub, also connect the pre-amp outputs of the head unit to the 2 sub inputs of the amp. Connect the blue wire of the head unit to the turn-on terminal of the amp and connect power wires to both units. May I ask what speakers are you using?

Aug 14, 2011 | Jensen Car Audio & Video

1 Answer

Pre-out for sub in-op


first make sure the actual sub is powered on .You can tap on the RCA leading to the sub and hear the sub humming..Im assuming you do have a powered sub connected to sub out of receiver .Also you could also connect another type of speaker with RCA to make sure if it has output or not..Also make setup does have sub output ON..thanks

Dec 15, 2007 | Audio Players & Recorders

1 Answer

Were is the sub woofer tie into at.


You should have two (or more) RCA plugs on the back of the deck that will act as pre-amp outputs for subwoofer and speakers.
Failing that, your wiring harness should have come with a wiring diagram that will let you know which is the subwoofer output.
Failint THAT, the deck itself should have a wiring diagram on the bottom or side telling your which wire is which.

And if that fails, Your deck may not have a subwoofer output. Just attach your sub to the amp pre-out like everyone else.

May 11, 2011 | Pioneer DEH-2400F CD Player

1 Answer

My celestion s20 subwoofer won't play if i hook it up to sub out on receiver.but will play if i run a regular speaker wire to it. I know sub out is working on receiver.


Tell your source (receiver???) that it has a sub and set it up to feed LFE out of that RCA jack.

Prove your sub pre-out works. Or send something like FM on Tape Out to the sub and see how that works out.

How did you hook a speaker wire to this model of powered sub? What was on the other end of that speaker wire? It's not designed for speaker level input.

Jan 28, 2011 | Celestion S20 Subwoofer

1 Answer

Subwoofer pre-out wires


Sorry for the stupid question but is your subwoofer a powered sub? The subwoofer out is just a preamped signal that drives a powered subwoofer. Let me know then we can go from there.

Jan 28, 2010 | Audio Players & Recorders

1 Answer

Pb12 makes thumping sound after warming up


Hello there..Thats normal only if your sub volume and the pre amp is turned up..Your amp is the cause of the speaker jump..Turn amp volume sub level down a few and check your wire from sub to amp..If all of that is good is a normal operation for pre amp warm up in sub if level is turn to max..Try unplugging amp freom sub then turn sub on stand alone(just sub outlet plugged in and no wires from base amp plugged in..If sub stops the its the amp making the problem..If it still is there then the pre amp is either dusty on inside or the outlet plug that it is plugged in doesnt have a good ground..Hope these help to solve your problem..Have a great day...

Apr 02, 2009 | JBL PB12 Subwoofer

1 Answer

Connect alpine 7874 to alpine powered sub


You need to run the RCA cables from the head unit to the sub for the audio signal, and possibly a turn on wire (the blue one on the back of the head unit), unless the sub has an automatic power feature.

The sub also needs power and ground wires attached, but those do not connect to the head unit. Power should be run directly from the battery with an inline fuse, and ground should go to the nearest good ground point (Trunk latch, seat bolt, etc).

Mar 20, 2009 | Alpine CDM-7874 CD Player

1 Answer

Jensen uv8 and amp hook up


Remote wire from Jensen is blue or blue/white. Use Blu/white if there is one. . RCA's, for subs, use the rear if no subwoofer pre-outs are available. If unit has sub pre-uts, use them as the head ubit (stereo) would have a level that can be raised or lowered thus giving you more control over the input to the sub amp.

Jan 28, 2009 | Jensen VM9510 Car DVD Player

1 Answer

Wiring sub on home theatre


use the sub pre out and wire it into the left input on the sub.

Mar 08, 2008 | Audio Players & Recorders

1 Answer

Onkyo Subwoofer Pre Out Problem


May not necessarily be the out put, discontect the sub from the receiver and see if it still makes a hum, Making sure that you turn auto on, off on the sub woffer.
If it still makes a hum, then you have a earthing problem, you can get a earth filter put on your internal wiring in your home, or you can remove the earth pin on your sub woffer

Dec 13, 2007 | Onkyo TX-SR502 Receiver

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