Yamaha HTR-5590 6.1 Channel AV Receiver 192kHz/24-bit digital-to-analog converter system Discrete power transistors in the amplifier section provide the cleanest sound possible Seven digital inputs, six fully assignable digital inputs (4 optical and 2 coaxial) Includes a Zone 2 Selector so the audio signal can be output to a second room Low Impedance Drive Circuitry for handling virtually all loads and a wide variety of speakers