5.1 Surround Sound Test Review
XbitLabs Surround Test : Offers individual channel buttons and an "Auto Sweep" mode.
When a speaker is out of phase (meaning the positive and negative wires are crossed or swapped on one speaker), the cone moves backward when it should move forward. In a 5.1 system, this results in sound waves canceling each other out. 5.1 surround sound test
Contrary to popular belief, "rear" speakers in a 5.1 setup should actually be placed to the sides and slightly behind your listening position, ideally at an angle of 110–120 degrees. 2. How to Run a 5.1 Surround Sound Test XbitLabs Surround Test : Offers individual channel buttons