Pioneer DEH-S4220BT

Product highlights: General Features: CD receiver with AM/FM tuner built-in Bluetooth for hands-free calling and audio streaming FLAC file playback from USB devices detachable face with 2-line LCD display 10-level illumination dimmer Smartphone Features (see Details for info on compatibility): compatible with Pioneer's Smart Sync App for multimedia functionality voice control easy access to navigation, music, and messaging apps extra sound customization options selectable source lets you charge your phone without activating the USB port as a source Pandora control through iPhone and Android control and charging of Apple and Android devices using the USB connection USB Quick Charge (1.5 amps) Audio Features: plays CDs, CD-Rs, and CD-RWs, and USB memory devices (see Details for full capabilities) Advanced Sound Retriever (ASR) for improved sound quality from compressed music files 13-band equalizer with seven preset tone settings (31 bands through Smart Sync app) 3-level loudness low-pass and high-pass filters subwoofer level control Expandability: inputs: front panel auxiliary and USB inputs outputs: 4-channel preamp outputs (4-volt front, rear/subwoofer) Other Info: built-in MOSFET amplifier (14 watts RMS CTA-2006/50 peak x 4 channels)