XR4120 - Car stereo DUAL - Free user manual and instructions
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| Product Type | Car Stereo (CD/MP3 Receiver) |
| Brand | Dual |
| Model | XR4120 |
| Dimensions (Approx.) | 7 x 7 x 2 inches (Standard DIN) |
| Weight (Approx.) | 1.5 lbs (0.68 kg) |
| Power Supply | 12V DC (Negative Ground) |
| Max Power Output | 4 x 50 Watts Peak |
| RMS Power Output | 4 x 20 Watts |
| Audio Formats | CD, CD-R/RW, MP3 |
| Tuner | AM/FM Stereo (30 Presets) |
| Auxiliary Input | Front 3.5mm Auxiliary Input |
| Display | LCD with Backlight |
| Security | Detachable Faceplate |
| Equalizer | Built-in EQ Presets (Rock, Pop, etc.) |
| Installation | DIN Sleeve or Spring Clips |
| Wiring | Standard ISO Connectors |
| Operating Temperature | -20°C to 60°C |
| Cleaning | Wipe with soft dry cloth; avoid solvents |
| Spare Parts | Contact Dual support or authorized dealers |
| Repairability | Service manual available; seek professional repair |
Frequently Asked Questions - XR4120 DUAL
Why is my Dual XR4120 not turning on?
Check the fuse on the power wire (usually 10A). Ensure the 12V constant and ignition wires are properly connected. Also verify the ground connection is secure.
How do I remove the detachable faceplate?
Press the Release button or pull the lever on the right side of the unit. Gently slide the faceplate off to the left. Store it in the provided case.
My CD skips or won't read discs. What can I do?
Clean the disc with a soft cloth. Try a different CD. If issue persists, the lens may be dirty; use a CD lens cleaner. Avoid using scratched discs.
How do I set the clock on the XR4120?
Press and hold the DISP/CLOCK button until the time flashes. Use the TUNE knob to adjust hours and minutes. Press again to confirm.
Can I connect my phone via auxiliary input?
Yes, use a 3.5mm audio cable to connect your phone to the AUX IN jack on the front panel. Press MODE to select AUX source.
Why is there no sound from the speakers?
Check speaker wire connections. Ensure the unit is not muted (press MUTE). Verify balance and fade settings. Also test with another source.
How do I store radio stations presets?
Tune to the desired station, then press and hold one of the preset buttons (1-6) for 2 seconds. The station will be saved.
What is the difference between peak and RMS power?
Peak power is the maximum output momentarily, RMS is the continuous power. The XR4120 provides 4x20W RMS, which translates to clean sound at normal volumes.
My remote control is not working. What should I do?
Replace the battery (CR2025 or similar). Point the remote directly at the receiver. Remove any obstructions. If still not working, the remote may need replacement.
How to reset the Dual XR4120?
Press the RESET button (small hole) on the front panel with a paper clip. This clears all settings and restores factory defaults.
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