features: CD receiver with AM/FM tuner built-in MOSFET amplifier (18 watts RMS CEA-2006/50 peak x 4 channels) plays CDs, including discs loaded with MP3 and WMA files 2-line display with variable RGB color illumination Bluetooth hands-free calling and audio streaming optional remote control Smartphone features: built-in iPod, iPhone, and iPad control Siri integration with Eyes Free mode App Direct mode text-to-speech updates of Facebook activity (with purchase of TuneIt app with TTS feature) Pandora control for iPhone and Android Audio features: 9-band parametric equalizer with 11 presets TuneIt 2.5 app compatible Bass Engine SQ button with choice of five bass profiles high- and low-pass filters with subwoofer level and phase control 3-way crossover capability