Question about Denon AVR-E400

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Only two speakers work on playback

All speakers worked during setup test; playback only two. ANy suggestions?

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Do you have it in surround mode?

Posted on Apr 17, 2014


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Rear speakers only work during calibration and testing. Not during playback.

This commonly happens based on the source. For example, if your receiver looks at the source that is analog, it will use two channels, the two front left and right speakers. However, some receivers, such as a Denon, have a 5 channel stereo feature that will utilize all 5 speakers (L&R Front, Center, L&R Rear). If you are connecting a DVD player, often you need to configure the source appropriately. If you are connecting using the RCA cables, it will be stereo. If you are using Optical or Coaxial connection, you can enjoy Dolby Digital, but may need to specify in the receivers setup to use these audio source inputs. If you are connecting via HDMI, early versions only supported Dolby Prologic, but you occasionally hear mono sound from rear speakers. Without knowing more about your equipment, what source you are hoping to hear and how you are connected, it will be difficult to pinpoint your cause, but hopefully this helps your understanding to enable you look for the appropriate cause.

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I have a Klipsch Sub-10 It is NOT working. I am not sure what happened. It was just fine last week. It's powered up and everthing but not throwing any bass. It was also detected during the auto setup.

If you're saying the auto setup produced sound then the sub and its amp are fine.

So we need to examine the source electronics for actual playback settings. Give a hint of what that might be.

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Modern computers have various speaker options, much like amps. What you need to do is to find your actual speaker setup, and then place that as the default rather than the windows default.
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Hi, these instructions will help you with the Audio problem. These are the steps to setup and 'restore' the “Audio Drivers” Part (1) Click on the "Start" button, go to and click in the (right, pane) Control Panel.
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If you would like to bypass the auto setup which is apparently the root cause, use a test cd/dvd for your test tones. The auto setup while convenient is not the optimal way to get the best result as the test tones it uses are bandwidth limited pink noise. If you would like to use the auto calibrate however, it's likely needing repair to do so.

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Review the cable setup for the DVD player since it was identified as the source of the problem. Best to unplug and plug in the cables to ensure they contact the back of the receiver's RCA jacks. Redo the microphone setup for Audyssey 2EQ calibration. A good chance that it is the cable that may have caused the malfunction and loss of sound from the speakers. The cables can come loose during setup and not plugged all the way to the back of the RCA jacks or a defective cable causing signal loss.

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Windows vista ultimate speaker setup test doesn't work

Please consider installing sound and movie codecs.
Please go to
and download latest xp-codec-pack.
Thank you for choosing agadycom.

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