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)
• compatible with most factory steering wheel audio controls (adapter required)
• warranty: 1 year