Yamaha AX-497 Natural Sound Stereo Integrated Amplifier AX497 High Sound Quality ToP-ART (Total Purity Audio Reproduction Technology) Switchable CD/DVD Direct Amplification Super Audio CD and DVD-Audio Ready with Extended Frequency Response Linear Damping High Dynamic Power, Low-Impedance Drive Capability Advanced Features Rec Out Selector Continuously Variable Loudness Control and Bass/Treble/Balance Controls (with Center Clicks) Remote Controllable Motor-Driven Volume Control RoHS Compliant Other Features Speaker A, B or A+B Selection Gold-Plated CD Input Terminals Pure Direct Switch System Remote Control Unit