are rear surround sound speakers having same sound


Are rear surround sound speakers being feed the same signal? So there is no stereo signal at the back on 7.1 ht set up.
cip57
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Good sound is not difficult to achieve if you know what you can do for this. Here, for example, one of the systems of sound reproduction. https://geeklah.com/best-wireless-surround-sound-system.html