Wonderbar 3 M2 - Car stereo RetroSound - Free user manual and instructions
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| Product Type | Car Stereo Receiver |
| Brand | RetroSound |
| Model | Wonderbar 3 M2 |
| Form Factor | 1-DIN (Single-DIN) |
| Display | LCD with White/Amber Backlight |
| Audio Power | 4 x 50 Watts Max (22W RMS per channel) |
| Tuner | AM/FM with 30 Presets |
| Bluetooth | Yes, hands-free calling and audio streaming |
| USB Port | Front USB for media playback (MP3/WMA) |
| AUX Input | 3.5mm front auxiliary input |
| SD Card Slot | MicroSD slot for media playback |
| Audio Output | 4-channel RCA preamp outputs (2V) |
| Equalizer | Built-in 5-band EQ |
| Steering Wheel Control Compatible | Yes (with optional adapter) |
| Dimensions (W x H x D) | 7.2 x 2.1 x 5.1 inches |
| Weight | 2.1 lbs |
| Power Supply | 12V DC (negative ground) |
| Operating Voltage | 10.5 - 16V DC |
| Fuse | 10A blade fuse |
| Included Accessories | Wiring harness, mounting sleeve, trim ring, screws, manual |
| Maintenance | Clean with soft dry cloth; avoid liquids |
| Safety | Disconnect battery before installation; consult professional if unsure |
| Repairability | Serviceable by authorized technicians; spare parts available |
Frequently Asked Questions - Wonderbar 3 M2 RetroSound
How do I pair my phone via Bluetooth?
Turn on the radio and enable Bluetooth on your phone. Search for devices and select 'RetroSound Wonderbar 3 M2'. Confirm pairing when prompted. The radio will store the connection.
Can I connect a backup camera?
Yes, the Wonderbar 3 M2 has a reverse camera input. Connect the camera to the RCA video input (yellow) and wire the reverse trigger to the radio's reverse wire (usually a purple wire). The screen automatically switches when in reverse.
What is the power output?
The radio delivers 4 x 50 watts max power (22 watts RMS per channel) into 4 ohms. This is suitable for standard car speakers.
Does it work with steering wheel controls?
The radio is compatible with steering wheel controls when used with an aftermarket adapter (e.g., PAC SWI-CP5). Refer to the manual for wiring instructions.
How do I set the clock?
Press and hold the DISP button until the hour flashes. Rotate the volume knob to adjust. Press DISP again to set minutes, then rotate to adjust. Press DISP to confirm.
Can I play music from a USB drive?
Yes, insert a USB drive (FAT32 format) with MP3 or WMA files into the front USB port. The radio will automatically play the files.
What size is the radio?
The radio is a standard 1-DIN size: approximately 7.2 x 2.1 x 5.1 inches (W x H x D). It fits most single-DIN dash openings.
Is it compatible with my car?
The radio is designed for 12V negative ground systems common in most cars. For specific vehicle compatibility, check the dash size (1-DIN) and wiring harness. A vehicle-specific wiring adapter may be needed.
How do I reset to factory settings?
Press the RESET button located behind the faceplate (use a pencil to press). This clears all settings and restores defaults.
Does it have a CD player?
No, the Wonderbar 3 M2 does not have a CD player. It supports USB, SD card, Bluetooth, and AUX for audio playback.
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