Features: Subwoofer Output With Frequency/Level ControlMP3/WMA With ID3 Tag/WMA TagIEQ 9-band Graphic/3-band ParametricAdvanced Multi-bit DACProduct DescriptionThe latest technology in digital sound processing and connectivity combine in the JVC's KD-SH1000. A built in USB slot, SD card slot, and the capability for iPod, satellite radio, or a CD changer allow for hours of distortion-free digital quality ...