Am I missing something, trying to add a dual sub setup on a Onkyo TX-nr646 : r/hometheater
Manual Onkyo TX-NR 616 (4 páginas)
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Onkyo TX-NR656 7.2-channel home theater receiver with Wi-Fi®, Bluetooth®, Apple® AirPlay®, and Dolby Atmos® at Crutchfield