Introduction
Thank you for choosing the ABSOSO Retro Style Classic Car Radio. This single DIN vintage stereo combines classic aesthetics with modern functionality, offering Bluetooth connectivity, AM/FM radio, USB, and AUX input. This manual provides detailed instructions for installation, operation, maintenance, and troubleshooting to ensure optimal performance and user satisfaction.

Image: Front view of the ABSOSO Retro Style Classic Car Radio.
Safety Information
- Read all instructions carefully before installation and operation.
- Ensure the vehicle's battery is disconnected before beginning installation to prevent electrical shorts.
- Properly insulate all wiring connections to avoid short circuits and damage to the unit or vehicle.
- Do not operate the unit in a manner that distracts you from driving. Always prioritize road safety.
- Avoid exposing the unit to moisture or extreme temperatures.
- Refer to a qualified technician for installation if you are unsure about any steps.
What's in the Box
Upon unpacking, please verify that all the following items are included:
- ABSOSO Retro Look Car Radio Unit
- Mounting Brackets
- Wiring Harness
Setup and Installation
This unit is designed for standard single DIN installation. Professional installation is recommended.
Wiring Diagram

Image: Detailed wiring diagram showing power, speaker, and RCA connections.
Part A: Speaker Connections
- Green: Left Rear Speaker +
- Green/Black: Left Rear Speaker -
- White: Left Front Speaker +
- White/Black: Left Front Speaker -
- Grey: Right Front Speaker +
- Grey/Black: Right Front Speaker -
- Purple: Right Rear Speaker +
- Purple/Black: Right Rear Speaker -
Part B: Power Connections
- Yellow: +12V Constant Power Supply (Connect to vehicle's constant 12V supply)
- Black: Ground (-) (Connect to vehicle chassis ground)
- Red: +12V Ignition Switch (Connect to vehicle's accessory/ignition 12V supply)
- Blue: Power on Antenna/Amplifier (Connect to power antenna or external amplifier remote turn-on)
RCA Outputs
- Front Left (LF), Front Right (RF), Rear Left (LR), Rear Right (RR) RCA outputs for connecting to an external amplifier.
- Subwoofer (SUB) RCA output for connecting to a subwoofer amplifier.
Physical Installation
- Remove the existing car stereo from the dashboard.
- Connect the wiring harness from the new unit to the vehicle's wiring, following the diagram above. Ensure all connections are secure and properly insulated.
- Slide the ABSOSO unit into the single DIN opening in the dashboard.
- Secure the unit using the provided mounting brackets.
- Reconnect the vehicle's battery.
- Test the unit's functionality before fully reassembling the dashboard.
Operating Instructions
Basic Controls
The unit features classic chrome knobs and buttons for intuitive control.
- Volume Knob: Rotate to adjust volume. Press to power on/off or cycle through functions.
- Tuning Knob: Rotate to tune radio frequencies or navigate menus.
- BAND Button: Switches between AM and FM bands.
- MODE Button: Cycles through input sources (Radio, Bluetooth, USB, AUX).
- AMS Button: Automatic Memory Store for radio stations.
- CLK Button: Displays or sets the clock.
- MUTE Button: Mutes or unmutes audio.

Image: Close-up of the radio's front panel, highlighting the LCD display and chrome knobs.
Bluetooth Operation
- Pairing:
- Turn on the car radio.
- Press the MODE button until "BT" or "Bluetooth" appears on the display.
- On your mobile device, enable Bluetooth and search for available devices.
- Select "ABSOSO Car Radio" (or similar name) from the list.
- Once paired, the unit will confirm connection, and you can stream audio or make hands-free calls.
- Hands-Free Calling:
- When a call comes in, the radio display will show the caller ID.
- Press the Volume Knob (or a designated call button) to answer or end a call.
- Use the built-in microphone for communication.
- Audio Streaming:
- Once paired, play music from your device, and it will stream through the car speakers.
- Use the radio's controls or your device to skip tracks, play, or pause.

Image: Illustration of Bluetooth calling and audio streaming functionality.
AM/FM Radio
- Selecting Band: Press the BAND button to switch between FM1, FM2, FM3, AM1, and AM2.
- Manual Tuning: Rotate the Tuning Knob to manually adjust the frequency.
- Automatic Search: Press and hold the Tuning Knob or use designated seek buttons (if available) to automatically search for the next strong station.
- Storing Presets: Tune to your desired station, then press and hold one of the numbered preset buttons (1-6) to save it.
- Automatic Memory Store (AMS): Press the AMS button to automatically scan and store the strongest stations in the current band to presets.

Image: The radio displaying an FM frequency, illustrating AM/FM radio station reception.
USB and AUX Input
- USB Playback:
- Insert a USB drive (up to 64GB) containing MP3, WAV, or WMA audio files into the USB port.
- The unit will automatically switch to USB mode and begin playback. If not, press the MODE button.
- Use the tuning knob or track buttons to navigate through files and folders.
- AUX Input:
- Connect an external audio device (e.g., smartphone, MP3 player) to the AUX-In port using a 3.5mm audio cable.
- Press the MODE button until "AUX" appears on the display.
- Control playback from your connected device.

Image: The radio's front panel showing USB, Micro SD, and AUX-In options for media playback.
Sound Settings and Equalizer
The unit offers various sound adjustments to customize your audio experience.
- EQ Presets: Press the Volume Knob repeatedly to cycle through preset equalizer modes (e.g., Pop, Rock, Classic, Flat).
- Bass/Treble: In audio settings, adjust bass and treble levels to your preference.
- Balance/Fader: Adjust audio balance between left/right speakers and fader between front/rear speakers.
- Subwoofer Output: The unit provides dedicated RCA outputs for connecting an external subwoofer amplifier, allowing for enhanced bass.

Image: Visual representation of sound customization options including DSP, EQ presets, and subwoofer output.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the unit's front panel. Do not use abrasive cleaners or solvents.
- Dust: Regularly wipe away dust from the unit and surrounding dashboard area to prevent accumulation.
- Connections: Periodically check wiring connections to ensure they remain secure.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Incorrect wiring; Blown fuse; Vehicle battery disconnected. | Check power and ground connections. Verify fuse. Ensure battery is connected. |
| No sound | Volume too low; Mute activated; Incorrect speaker wiring; Incorrect input source. | Increase volume. Deactivate mute. Check speaker connections. Select correct input source. |
| Bluetooth not connecting | Device not in pairing mode; Unit not in Bluetooth mode; Interference. | Ensure device Bluetooth is on and discoverable. Switch unit to Bluetooth mode. Try re-pairing. |
| USB not playing | Unsupported file format; USB drive corrupted; Unit not in USB mode. | Ensure files are MP3/WAV/WMA. Try a different USB drive. Switch unit to USB mode. |
| Poor radio reception | Antenna not connected; Weak signal area; Damaged antenna. | Check antenna connection. Try tuning to a stronger station. Inspect antenna for damage. |
Specifications
| Feature | Detail |
|---|---|
| Brand | ABSOSO |
| Model Number | B0FSXHKFG8 |
| Connectivity Technology | Auxiliary, Bluetooth, USB |
| Controller Type | Hand Control, Push Button |
| Compatible Devices | Amplifier, Speaker, Subwoofer |
| Audio Output Mode | Mono |
| Surround Sound Channel Configuration | 4.1 Channel |
| Color | Silver |
| Product Dimensions (D x W x H) | 3.8" x 7.4" x 2" |
| Output Power | 300 Watts (Peak) |
| Number of Channels | 5 |
| Supported Internet Services | Pandora, Spotify (via Bluetooth streaming) |
| Audio Output Type | Speakers, RCA Pre-outs |
| Wireless Technology | Bluetooth |
| Built-In Media | USB, AUX-In |
| Tuner | AM/FM with RDS |
Warranty and Support
The ABSOSO Retro Style Classic Car Radio (Model B0FSXHKFG8) comes with a 1-Year Warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by improper installation, misuse, accidents, or unauthorized modifications.
For warranty claims, technical support, or any inquiries, please contact ABSOSO customer service through the retailer where the product was purchased or visit the official ABSOSO website for contact information. Please have your purchase receipt and product model number ready.