Onkyo M-504

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Onkyo M-504 Modification

My Onkyo M-504 Modification ,rear speaker posts and front meter LED's My system consists of 3 Onkyo M-504's to drive my 5.1 ...

BHWS Onkyo M-504 RGB Color Changing LED Mod - full control demo

Color changing RGB LED modification remote demonstration.

ONKYO - M504

Functionality display.