DEH-S4250BT
CD and Digital Media Receiver with Dual Bluetooth
- Pioneer Smart Sync Compatible
- Dual Bluetooth
- USB Direct Control For IPod / IPhone
- Direct Control For Certain Android Phones
DIRECT CONTROL FOR CERTAIN ANDROID PHONES
Conveniently control your compatible Android smartphone directly from your car dashboard. Enjoy songs from your music library in superior sound quality, while charging the battery.
DUAL BLUETOOTH
Simultaneously connect and control 2 smartphones via Bluetooth. The auto connection function automatically pairs the two phone so incoming calls can be picked up by either of the paired phones.
USB QUICK CHARGE FOR ANDROID (CDP)
Pioneer‘s AV receiver has a charging downstream port (CDP) providing up to 1.5A to give an Android smartphone a quick charge.
13-BAND GRAPHIC EQUALIZER
With the 13-Band Graphic Equaliser, you will be able to adjust acoustic settings in greater details, according to your preferences.
2 RCA PRE-OUTS
More connection options for your Pioneer headunit.

FLAC PLAYBACK
Enjoy FLAC lossless digital audio files in your vehicle with playback output at CD quality, without the need to convert.
SMARTPHONE INTEGRATION
BluetoothUSB / Bluetooth
Pioneer Smart SynciPhone / Android
SpotifyYes
Direct Control for Certain Android PhonesUSB
USB Quick Charge for Android (CDP)Yes
USB Direct Control For iPod / iPhoneUSB / Bluetooth
Direct Control for iPhoneUSB / Bluetooth
Siri Eyes FreeYes
Media App ControliPhone / Android
Voice RecognitionYes (with Pioneer Smart Sync App)
BASIC FUNCTIONS
CD-PlayerYes
RCA Preouts2 (2V)
USB PortFront
Karaoke FunctionYes ( Vocal Cancel )
AUX Input(3.5 mm mini-jack)Front
AUDIO
FLAC PlaybackYes
iTunes AAC PlaybackYes
MP3 / WMA/WAV PlaybackYes
Built-in Amplifier: MOSFET 50Wx4Yes
D/A Converter24-bit
Time AlignmentManual
Equalizer13-Band GEQ 31-Band GEQ (with PSS App)
Crossover NetworkHPF / LPF
Advanced Sound RetreiverYes
Advanced Sound Retreiver for BT AudioYes
Subwoofer controlYes
Listening Position SelectorYes
Dynamic Bass EnhancerYes (Direct Access Key)
MIXTRAXYes
DISPLAY AND ILLUMINATION
Display with LED Back lightLarger VA LCD ( 2-Line )
OTHER
Super tuner® IIIDYes
RDSYes
Shortwave TunerYes
Impact DetectionYes (with Pioneer Smart Sync App)
Rotary Volume ControlYes
Wired Remote InputYes
Preset Steering Wheel ControlYes
Remote ControlYes
Anti-Dust DesignYes
Detachable Face Security ™Yes