Product highlights: General Features: CD receiver with AM/FM tuner built-in MOSFET amplifier (22 watts RMS/50 peak x 4 channels) built-in HD Radio tuner plays media loaded with MP3, WMA, AAC, WAV, and FLAC music files 13-digit LCD display and variable-color illumination fits double-sized dash openings Smartphone Features: built-in Bluetooth for hands-free calling and audio streaming aptX® audio coding technology for near-CD-quality sound with compatible Bluetooth devices automatic iPhone and Android pairing using USB port dual phone connection rear wired Bluetooth microphone included built-in iPod, iPhone, and iPad control Android Open Accessory (AOA) 2.0 enables control and charging of select Android devices (Android version 4.1 and higher) using the USB connection Pandora and iHeartRadio Internet radio control with iPhone and Android Audio Features: 13-band graphic equalizer with Drive EQ subwoofer level, low-pass filter, and phase control bass boost and loudness controls high-pass filter for speakers Expandability: works with SiriusXM satellite radio tuner inputs: front-panel auxiliary input, front and rear USB inputs outputs: 6-channel preamp outputs (4-volt front, rear, and subwoofer)