Marantz M-CR612 Network CD Receiver Enjoy all your music from multiple sources in exquisite detail. The Marantz M-CR612 compact network CD receiver supports near limitless streaming platforms through AirPlay 2, Bluetooth and HEOS connectivity. Connect your speakers to the M-CR612 through four high-efficiency digital audio amplifier channels and enjoy the most musical sound. With two optical digital inputs, directly connect the M-CR612 to your television for elevated sonic output through your oth