Dx-ar-8108 Radio User Manual !new! -

4x40 Watts

is a car head unit featuring a built-in CD player and support for modern digital media via USB and SD card slots. It is designed for standard 12V vehicle systems and delivers a maximum power output of . Basic Controls

Long Press

: Automatically scans and saves the strongest available radio stations to presets 1–6. Dx-ar-8108 Radio User Manual

Switching Between Modes

Audio Power:

Standard 4x40W (or 4x45W depending on the specific series) output for high-quality vehicle sound. 4x40 Watts is a car head unit featuring

  • Memory Presets: Store up to 30 stations (15 FM / 15 AM).
  • Large LCD Display: Shows frequency, band, time, and signal strength.
  • Tone Control: Switch between High and Low tone settings.
  • Dual Power Supply: Operates via AC adapter or 4x D-size batteries (not included).
    • Power / Volume knob
    • Channel selector knob or keypad for direct channel entry
    • Push-to-Talk (PTT) button (on microphone or side of handheld)
    • Function/Mode button for menu access
    • Up/Down arrow keys for channel/volume/menu navigation
    • Squelch control (physical or via menu)
    • Antenna connector (SMA/BNC/others depending on model)
    • External speaker/mic jack (Kenwood-style or proprietary)
    • Programming port / USB port for PC programming and firmware updates
    • DC power input (for mobile use)

    Section 2: First-Time Setup – Step by Step