Pioneer DEH-S4220BT CD Receiver With Smart Sync App Compatibility. The receiver also includes the USB Auto Switch feature so when the phone is connected via USB the listener has the option to choose whether the receiver uses the phone as a source or just charges the device. Display – Display with LED Backlight: VA LCD (2-Line) Dimmer Setting (On/Off): Yes Brightness Control: 10-Level Illumination Timer: Yes Tuner – Presets: 18 FM 6 AM Best Station Memory (BSM): Yes Local Seek Tuning: Yes RDS: Yes Supertuner IIID: Yes Audio – RCA Preouts: 2 pairs (4V) Built-in Amplifier: MOSFET 50W x 4 MIXTRAX: Yes Equalizer: 13-Band EQ+ (31-Band with Pioneer Smart Sync app) D/A Converter: 24-bit DSP: Yes Time Alignment: Manual Crossover Network: HPF/LPF Subwoofer Control: Yes Loudness: 3-Mode Listening Position Selector: Yes Advanced Sound Retriever: Yes Dynamic Bass Enhancer: Yes(Direct Access Key) Super Todoroki Sound: Yes with Pioneer Smart Sync app.

Key Features and Benefits:
USB quick charge
Bluetooth wireless
Advanced sound retriever