SIXWIN A3446A3
SIXWIN Single Din Touchscreen Car Stereo User Manual
Model: A3446A3
Brand: SIXWIN
1. Product Overview
The SIXWIN Single Din Touchscreen Car Stereo is designed to provide a comprehensive in-car entertainment and navigation experience. It features a 6.86-inch touchscreen display, wired Apple CarPlay and Android Auto compatibility, Bluetooth for hands-free calls and music streaming, FM radio, mirror link functionality, and support for a backup camera. The unit is a single DIN size, making it suitable for a wide range of vehicles.

Image: The SIXWIN Single Din Touchscreen Car Stereo unit shown with its included accessories, including a backup camera, external microphone, steering wheel control remote, and a smartphone displaying CarPlay/Android Auto icons.
2. Package Contents
Verify that all items are present in the package before installation.
- SIXWIN Single Din Car Stereo Unit
- Power Cable
- Horn Cable
- Remote Control
- External Microphone (MIC)
- Steering Wheel Control Interface
- 12LED Rear Camera (Backup Camera)
- User Manual (this document)

Image: A visual representation of the car stereo unit's dimensions (187mm/7.3inch width, 52mm/2.0inch height, 87mm/3.4inch depth) and a layout of all included accessories and cables.
3. Setup and Installation
3.1 Installation Dimensions
The standard installation size for this single DIN unit is 178mm (width) x 50mm (height). Please ensure your vehicle's dashboard opening matches these dimensions for proper fitment. Refer to the 'Package Contents' section image for detailed dimensions.
3.2 Wiring Connections
Proper wiring is crucial for the stereo's functionality. Connect the power cable, horn cable, and other interfaces as indicated in the wiring diagram provided with the unit. Ensure all connections are secure to prevent malfunctions.
- Power Cable: Connect to vehicle's power supply (ACC, B+, GND).
- Horn Cable: Connect to vehicle's speaker outputs.
- USB Interface: For media playback and wired CarPlay/Android Auto/Mirror Link.
- L-OUT/R-OUT: Left and Right audio output for external amplifiers.
- CAMIN: Video input for the backup camera.
- CVBSIN: Composite video input.
- ANT: Antenna input for FM radio.
- SWC: Steering Wheel Control input.

Image: The rear panel of the car stereo showing various input/output ports (USB, L-OUT, R-OUT, CAMIN, CVBSIN, ANT, SWC, Power Cable) and the corresponding wiring harnesses.
4. Operating Instructions
4.1 Wired Apple CarPlay and Android Auto
Connect your iPhone or Android phone to the stereo via a USB cable. The system will automatically launch Apple CarPlay or Android Auto, allowing access to navigation, phone contacts, email, notifications, music, and more directly from the stereo's touchscreen.

Image: The car stereo display showing the Apple CarPlay interface (top) and Android Auto interface (bottom), demonstrating integration with smartphone features like navigation, music, and voice assistants.
4.2 Mirror Link Function
The Mirror Link feature allows you to display your smartphone's screen directly onto the car stereo's display via a USB connection. This is compatible with both Android and iOS phones, enabling you to view navigation, videos, and other phone content on the larger screen.

Image: The car stereo displaying a mirrored smartphone screen, illustrating the Mirror Link function for both iOS and Android devices connected via USB.
4.3 Bluetooth Connectivity
Pair your mobile phone with the stereo via Bluetooth for hands-free calling and wireless music streaming. The system supports auto-loading phonebooks and call records. An external microphone is included for clear voice transmission during calls.

Image: The car stereo display showing the Bluetooth setup menu (top) for connecting devices and the FM radio interface (bottom) with frequency display and controls.
4.4 FM Radio
Tune into your favorite FM radio stations (87.50-108.0 MHz). The stereo provides 18 preset stations for quick access to news, music, and other broadcasts.
4.5 Backup Camera Function
When the vehicle is shifted into reverse, the stereo automatically displays the feed from the connected backup camera, providing a clear view of the area behind your vehicle for safer parking and maneuvering.

Image: The car stereo display showing the view from the backup camera with parking guidelines (top) and the steering wheel control setup menu (bottom) for programming buttons.
4.6 Steering Wheel Control (SWC)
Connect the stereo to your vehicle's existing steering wheel controls to manage functions such as volume adjustment, track skipping, and answering calls without taking your hands off the wheel. This enhances driving safety and convenience.
4.7 Media Playback (USB/TF/AUX)
The car stereo supports various media inputs including USB, TF card, and AUX. You can play audio and video files from these sources. The EQ function allows customization of audio output to your preferred style.

Image: The car stereo display showing the Equalizer (EQ) settings interface, allowing users to adjust audio frequencies for a customized sound experience.
4.8 Touchscreen Operation
The 6.86-inch touchscreen provides intuitive control over all stereo functions. Navigate menus, select options, and interact with applications by touching the display.
4.9 Remote Control
An infrared remote control is included for convenient operation of the stereo from a distance, allowing passengers to control media playback and other basic functions.

Image: The included remote control for the car stereo (top) and a visual representation of the 7-color light feature for button illumination (bottom).
4.10 7 Color Light
The stereo features customizable 7-color button illumination, allowing you to match the stereo's lighting to your vehicle's interior or your personal preference.
5. Maintenance
To ensure the longevity and optimal performance of your car stereo, follow these maintenance guidelines:
- Cleaning the Screen: Use a soft, lint-free cloth to gently wipe the touchscreen. For stubborn smudges, slightly dampen the cloth with water or a screen-safe cleaner. Avoid abrasive materials or harsh chemicals.
- General Cleaning: Keep the unit free from dust and debris. Use a soft brush or compressed air to clean vents and button crevices.
- Avoid Liquids: Do not spill liquids directly onto the unit. In case of accidental spills, immediately power off the unit and wipe it dry.
- Temperature Control: Avoid exposing the unit to extreme temperatures, both hot and cold, for extended periods.
6. Troubleshooting
If you encounter issues with your SIXWIN car stereo, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| No Power | Incorrect wiring; Blown fuse; Vehicle power issue. | Check power cable connections (ACC, B+, GND). Inspect vehicle's fuse box and the stereo's fuse. Ensure vehicle battery is charged. |
| No Sound | Speaker wiring issue; Volume too low; Mute function active; Incorrect audio source. | Verify speaker connections. Increase volume. Check if mute is enabled. Select correct audio input (FM, USB, Bluetooth). |
| Bluetooth Not Connecting | Bluetooth not enabled on phone/stereo; Incorrect pairing process; Device too far. | Ensure Bluetooth is active on both devices. Delete previous pairings and re-pair. Keep devices within range. |
| CarPlay/Android Auto Not Launching | Faulty USB cable; Phone not compatible; USB port issue. | Use a high-quality, original USB cable. Ensure your phone's OS is updated. Try a different USB port if available. |
| Backup Camera Not Displaying | Camera wiring issue; Reverse trigger not connected; Faulty camera. | Check CAMIN connection and reverse trigger wire. Test camera with another display if possible. |
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | A3446A3 |
| Product Dimensions | 2.68 x 8.98 x 1.97 inches (68 x 228 x 50 mm) |
| Installation Size | 178mm x 50mm (Standard Single DIN) |
| Item Weight | 0.035 ounces (approx. 1 gram) |
| Screen Size | 6.86 inches (Visible diagonal: 7 inches / 18 cm) |
| Display Type | Touchscreen |
| Connectivity Technology | Bluetooth, Wi-Fi (for Mirror Link/CarPlay/Android Auto features) |
| Compatible Devices | Smartphone (iOS/Android) |
| Connector Type | RCA, USB, AUX, TF Card |
| Audio Output Mode | Stereo |
| Output Power | 4 Watts |
| FM Frequency Range | 87.50-108.0 MHz |
8. Warranty and Support
For any questions, technical assistance, or support regarding your SIXWIN car stereo, please contact our customer service team. We offer online help and user manual support.
Email: sixwin_vip@163.com

Image: A customer service representative assisting a customer over the phone, symbolizing available support.
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