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Pete, Electronic Engineer
Category: Consumer Electronics
Satisfied Customers: 18116
Experience:  Over 16 years of experience installing and repairing electronics.
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Sure, I have an a DEH-P4000UB, when playing my iPhone thru

Customer Question

Sure, I have an a DEH-P4000UB, when playing my iPhone thru AUX, either with cable or Bluetooth Adapter it only plays thru Right Channel
JA: What's the make/model of your device? How old is it?
Customer: not sure, maybe 6-7 years, it has a USB in the back and AUX on the plate
JA: How long has this been going on? What troubleshooting have you tried?
Customer: I've used different cables and I've clean the connectors, inside female part of AUX. Works fine playing iPod thru USB and all other function of the stereo work well
JA: Anything else you want the electronics expert to know before I connect you?
Customer: not that I can think of
Submitted: 1 year ago.
Category: Consumer Electronics
Expert:  Pete replied 1 year ago.

Hi, I'm Pete. Welcome to JustAnswer! I'm reviewing your question now, and will post back with your reply ASAP.

Expert:  Pete replied 1 year ago.

The iPhone itself only has one speaker, however by default it should play out of both speakers when using external speakers - there is no setting involved on the phone, so it sounds like you might have an issue with the hardware.

Have you tried restarting the iPhone?

Have you tested the speaker with another phone?

Customer: replied 1 year ago.
tried with iPhone 4s and 5s
Expert:  Pete replied 1 year ago.

Have you checked the speaker balance settings on the DEH-P4000UB when the phone is connected?

Customer: replied 1 year ago.
Expert:  Pete replied 1 year ago.

And all phones are affected in the same way, yes?