DENON AVR-X 4000 AV Surround Receiver Used. ●Audio input/output jacks: Optical digital input x 2, Coaxial digital x 2, Analog input x 6 (front x 1), Analog audio output x 3, Zone 2 output x 1, 11.2 channel pre-out x 1 (maximum simultaneous output: 9.2ch), Headphone output x 1, Phono input x 1 (MM).
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