Description
BUILT-IN DUAL BLUETOOTH® TECHNOLOGY
Equipped with advanced Built-in Dual Bluetooth® that lets you connect two smartphones simultaneously. Enjoy crystal-clear hands-free voice calls and high-fidelity wireless audio streaming (A2DP) without needing to disconnect or re-pair devices while driving.
CLASSIC SINGLE-DIN FORM FACTOR & DETACHABLE PANEL
Designed to fit perfectly into standard 1-DIN dashboard slots. Features a detachable faceplate with its own carrying case for security, anti-dust build, and tactile physical buttons for blind operation while driving.
PIONEER SMART SYNC APP INTEGRATION
Transforms your smartphone into a high-tech control panel. By mounting your phone nearby, the app unlocks advanced features including voice recognition, maps navigation readout, messaging support, and an extended 31-Band Graphic EQ.
BUILT-IN CD PLAYER & MULTI-FORMAT MEDIA
For music lovers who value physical media, the built-in CD player delivers crystal-clear audio disc playback. Also supports lossless FLAC audio files, MP3, WMA, and WAV formats via the front USB port.
13-BAND GRAPHIC EQ & DYNAMIC BASS ENHANCER
Fine-tune your car acoustics with precision. Features a direct access BASS button on the front panel to trigger the Dynamic Bass Enhancer immediately for instant rich low-end impact.
1.5A USB QUICK CHARGE & FRONT AUX
The front-mounted USB port provides a high-current 1.5A CDP output to rapidly charge compatible Android smartphones while streaming music. Includes a 3.5mm AUX input for traditional media player hookups.
TECHNICAL SPECIFICATION INDEX:
| Feature Category | Detailed Specifications |
| Model Name | Pioneer DEH-S4250BT |
| Form Factor | Single-DIN (1-DIN) Audio Head Unit |
| Security Feature | Detachable Faceplate with Protective Carrying Case |
| Wireless Connectivity | Dual Bluetooth (2 Devices Simultaneous Connection) |
| App Support | Pioneer Smart Sync (iOS & Android), Spotify Control |
| Disc Drive | Built-in CD / CD-R / CD-RW Player |
| Amplifier Output | MOSFET 50W x 4 Maximum Power Output |
| Audio Equalizer | 13-Band Graphic EQ (31-Band via Smart Sync App) |
| RCA Pre-Outs | 2 Pairs (2V Pre-Outs for Front & Rear/Subwoofer) |
| Audio Formats | FLAC, MP3, WMA, WAV, AAC via USB/CD |
| Front Connectivity | 1.5A Quick-Charge USB Port & 3.5mm AUX Input |
| Remote Control | Wireless Handheld Remote Included |
🌟 WHY CHOOSE AYON MOTORS?
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100% Original Products: Authentic Pioneer Japanese car audio components.
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Precision Technical Fitting: Professional wiring and clean, gap-free dashboard mounting.
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Sound Tuning Expertise: Equalizer and bass alignment optimized specifically for your car’s speaker setup.






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