There is also a SD/MMC card slot, rear aux input and is ready for full iPod control, with optional integration cable. It is compatible with WMA/MP3/CD/CD-R/CD-RW formats and has an FM radio tuner with 30 presets. It outputs 80 watts to 4 channels and there are dual RCA outputs for rear and front, as well as a subwoofer output. To control the output sound, bass and treble are seperated and there are preset EQ response curves as well as balance and fader controls. For easy use, there are illuminated control buttons adn the full-color dot matrix display has dual color illumination.