The Pioneer DEH-S4250BT is a 1-DIN CD receiver with built-in Bluetooth, dual phone connectivity, and advanced audio tuning—perfect for drivers who want classic CD playback with modern smartphone features.

🔧 Core Features

• DIN Size: Single-DIN (1-DIN)

• Display: Multi-line LCD with variable color illumination

• CD Playback: Supports CD, CD-R, CD-RW

• Bluetooth®:

  • Dual phone connection

  • Hands-free calling

  • Wireless audio streaming

  • Voice recognition support

• USB Interface:

  • Front USB port (1.5A Quick Charge for Android)

  • Direct control for iPod/iPhone and Android phones

• AUX Input: Front 3.5mm mini-jack

• Pioneer Smart Sync App:

  • Enhanced smartphone integration

  • Custom UI and voice control

🔊 Audio & Sound Control

• Power Output: MOSFET 50W × 4 channels

• Equalizer: 13-band graphic EQ

• Advanced Sound Retriever: Restores compressed audio quality

• Subwoofer Control: Independent level and crossover settings

• Crossover Network: HPF/LPF

• Time Alignment: Manual adjustment

• FLAC Playback: Supports high-resolution audio via USB

• Karaoke Function: Vocal cancel feature