Features3Multi-Disc Playback & AM/FM TunerThe HT-DB650 combines the convenience of multi-disc playback capability,including DVD, VCD, CD, MP3-CD, CD-R, CD-RW, and DVD-RW, with asophisticated AM/FM tuner, all in a single player.Super Digital Sound MasterEquipped with a new digital audio technology (auto soundcalibration, magic sound field, and magic headphone)developed in cooperation with DiMagic Co., Ltd. in Japan,you can enjoy a more lively and high-sensitive sound.Built-in 5.1-Channel AmplifierThe HT-DB650 comes with a built-in 5.1-channel amplifier,allowing you to enjoy dynamic sound.Sound LogoWhen power is turned on, a sound logo is output from speakers tonotify the user that the unit is optimized for disc playback.Power Saving FunctionThe HT-DB650 automatically shuts itself off after 20 minutesin the stop or pause mode.TV Screen Saver FunctionThe HT-DB650 automatically brightens and darkens the brightness ofthe TV screen after 2 minutes in the stop or pause mode.The HT-DB650 automatically switches itself into the power saving modeafter 20 minutes in the screen saver mode.Customized TV Screen DisplayThe HT-DB650 allows you to select your favorite image during JPEG,DVD, or VCD playback and set it as your background wallpaper.Auto Sound CalibrationBy setting the auto sound calibration function just once when you relocate orinstall the unit, you can have the unit automatically recognize the distancebetween speakers, levels between channels, and frequency characteristics tocreate a 5.1-channel sound field optimized for the listener's environment.