Joying US-JY-UL135N2 Rear Speakers Too Quiet
#1
When I installed the unit, the sound levels were perfect. I just turned on radio and sound is coming out of front speakers only. I went into settings / sound / speakers / Slide arrow to bottom for full rear sound, the result is sound comes 98% front speakers and 2% rear speakers. Also I went into settings / sound / speakers / Select Rear button. The result is sound comes 98% front speakers and 2% rear speakers.

Question #1 : Password : What is the Developer Options Password?
Question #2 : Password : What is the Backup & Reset Password?
Question #3 : Password : What is the Extra Settings Password?
Question #4 : Password : What is the User Settings Password?
Question #5 : Any suggestions to get the Front / Rear Speakers to function properly as they did before?

Current Media Settings :
Volume level = 2, Sound Mixing Scale = 6, Reverse sound reduction = 10, Default boot volume = 18, Default volume switch = on.

Head Unit Specifications :
Carjoying US-JY-UL135N2
Android Version : 5.1.1
CPU : Intel Atom Quadcore
GPU3D : Mali-400MP4
Ram : 2GB DD3

System Info :
APP 1024x600 2017-01-04 17:02:00
MCU V. 2016-12-29 16:57_JY_(NOR)_90_C9_7706_5009_CAN(All)_Newlap

Any help is golden. Thank you in advance. - Guy Monroe
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#2
(08-05-2018, 02:14 PM)guymonroe Wrote:  When I installed the unit, the sound levels were perfect. I just turned on radio and sound is coming out of front speakers only.  I went into settings / sound / speakers / Slide arrow to bottom for full rear sound,  the result is sound comes 98% front speakers and 2% rear speakers.  Also  I went into settings / sound / speakers / Select Rear button.  The result is sound comes 98% front speakers and 2% rear speakers.

Question #1 : Password : What is the Developer Options Password?
Question #2 : Password : What is the Backup & Reset Password?  
Question #3 : Password : What is the Extra Settings Password?
Question #4 : Password : What is the User Settings Password?
Question #5 : Any suggestions to get the Front / Rear Speakers to function properly as they did before?

Current Media Settings :
Volume level = 2, Sound Mixing Scale = 6, Reverse sound reduction = 10, Default boot volume = 18, Default volume switch = on.  

Head Unit Specifications :
Carjoying US-JY-UL135N2
Android Version : 5.1.1
CPU : Intel Atom Quadcore
GPU3D : Mali-400MP4
Ram : 2GB DD3

System Info :
APP 1024x600 2017-01-04 17:02:00
MCU V. 2016-12-29 16:57_JY_(NOR)_90_C9_7706_5009_CAN(All)_Newlap

Any help is golden.  Thank you in advance.  - Guy Monroe


you can try to set following :
   
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