Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your XTRONS 7" Android 14 Octa Core Car Multimedia Player (Model: PX74A3AL). This unit is designed to enhance your in-car entertainment and navigation experience with advanced features such as Android 14 OS, 4GB RAM, 64GB ROM, Global 4G LTE, Wireless CarPlay, Wireless Android Auto, AKM DSP, and a high-resolution IPS touch screen.
Compatibility
This multimedia player is custom-fit for specific Audi models. Please verify your vehicle's compatibility before installation.
- For Audi A3 8P: (2003-2012)
- For Audi A3 8PI 3-door Hatchback: (2003-2012)
- For Audi S3 8P: (2006-2012)
- For Audi RS3 Sportback: (2011-2012)
Important Note on Compatibility:
- Please check if your vehicle's original CD unit is single DIN size. If it is, this unit will NOT fit your car.
Package Contents
The following items are included in your package:
- 2 x ISO Wiring Harness
- 1 x RCA Cables
- 1 x CANbus Cable
- 1 x Camera Cable
- 1 x Radio Antenna Cable
- 1 x GPS Antenna
- 1 x Wi-Fi Antenna
- 1 x 4G Antenna
- 2 x USB Cable
- 1 x Microphone
- 1 x CANbus Box
- 4 x Fitting Key
- 1 x User Manual
Installation
Professional installation is recommended. Ensure the vehicle's power is disconnected before beginning installation. Refer to the wiring diagram and compatibility notes carefully.
Wiring Diagram
Wiring Diagram Key:
- 4G Antenna
- GPS Antenna
- Wi-Fi Antenna
- Radio Antenna Port
- Radio Antenna Cable
- USB Port1
- USB Port2
- USB Port3
- CAMERA IN, Camera Input
- Bluetooth Antenna
- Wi-Fi Antenna
- BACK, Reverse Control
- BRAKE, Brake-in Cable
- RR-OUT, Rear Right Sound Channel Output
- RL-OUT, Rear Left Sound Channel Output
- MIC, External Microphone Port
- F-CAM-IN, Front Camera Input
- SUB WOOFER, Subwoofer Output
- AV-IN, Video Input
- AUX IN L, Audio Input Left
- AUX IN R, Audio Input Right
- AMP-CONT, Amplifier Control Cable
- FL-IN, Front Left Sound Channel Input
- FR-IN, Front Right Sound Channel Input
- 4G SIM Card Slot
- RL-OUT, Rear Left Sound Channel Output
- RR-OUT, Rear Right Sound Channel Output
- BRAKE, Brake-in Cable
- Camera Power Cable-12V, Camera Power
- ACC
- KEY-2, Steering Wheel Control Key2
- KEY-1, Steering Wheel Control Key1
- ILL, Illumination Cable
- FR-OUT, Front Right Sound Channel Output
- AUX-LIN, Left Audio Input
- FL-OUT, Front Left Sound Channel Output
- AUX-RIN, Right Audio Input
- RL-OUT, Rear Left Sound Channel Output
- RR-OUT, Rear Right Sound Channel Output
- ISO Wiring Harness
- CANbus Box
- TX/RX Port
Important Cable Notes
- Radio Antenna Port: Please check if your vehicle's radio antenna port is the same as pictured. If not, you may need to order an adapter cable (e.g., XTRONS ICE/ACS/ISO/FZ) for installation.
- Rear Speakers: If your vehicle's rear speakers have static noise or no sound after installation, you might need an XTRONS AK/INIB/NFC/ONS adapter. Ensure the original ISO wiring harness plug is 40-pin before considering this adapter.
Operating Instructions
Basic Operation & User Interface
The unit features a 7" Grade-A G+G Touch Screen with IPS Technology, offering a 1024x600 pixel resolution for a clear and vivid visual experience from any viewing angle. The Android 14 OS provides a secure and seamless operation.
You can personalize your experience with four distinct UI themes, each offering a different style and widgets. Switch between designs with a simple touch to suit various usage scenarios.
Smartphone Connection
Connect your smartphone for seamless integration and access to your favorite apps and features.
- Wireless CarPlay: Connect your iOS device wirelessly via Bluetooth for navigation, music, calls, and more.
- Wireless & Wired Android Auto: Connect your Android device wirelessly via Bluetooth or via USB for navigation, music, and voice commands.
- Screen Mirroring: Cast content from your smartphone (iOS or Android) to the large screen wirelessly via Wi-Fi for an immersive entertainment experience.
Bluetooth 5.0
The latest Bluetooth 5.0 provides more stable audio transmission for hands-free calls and music streaming. Features include phone book synchronization and display of recent call logs.
GPS Navigation
Enjoy fast and accurate GPS navigation with support for multiple satellite systems including GPS, BDS, GLONASS, and GALILEO. This allows for quicker and more precise positioning.
4G LTE Modem
Access ultra-fast data speeds anywhere by inserting a micro-SIM card (not included). The CAT7 modem supports download speeds up to 300Mbps and is compatible with 99% of carriers worldwide, enabling independent 4G network access and easy 4G sharing.
Dual Band WiFi & USB Tethering
Connect to Wi-Fi via either the 5.0GHz channel for faster internet transmission speed or the 2.4GHz channel for longer transmission distance. You can also easily share your mobile network by connecting your phone via the USB port and configuring USB tethering in your smartphone settings.
CANBus Decoding & Steering Wheel Controls
The optimized CANBus decoding ensures that original vehicle features continue to work after upgrading. This includes support for reversing control, ACC control, and more. You can also utilize your original steering wheel controls to manage the multimedia player.
- Supported Original Vehicle Functions: BOSE system, ACC control, Reversing control, Light control, Handbrake control.
- Display Car Stereo Details on Dashboard: Radio Frequency information, AUX status, Bluetooth status, GPS status.
Audio Features
Experience an unprecedented audio feast with the top-tier automotive-grade AKM DSP chip. Enjoy rich bass, warm mids, and crisp highs. Customizable mode and EQ settings cater to all music genres, transforming your vehicle into a personal concert hall.
The unit features an STMicroelectronics TDA7388 high power amplifier (4x45W) for an authentic listening experience, delivering clear sound even at high volumes. The STMicroelectronics SI4755 Radio with RDS features front-end low-noise amplifiers, multi-path noise mitigation, and RDS decoding.
Video Playback & Picture-in-Picture (PIP)
Play different formats of videos with up to 2K 60fps smoothly for an immersive visual experience. The Picture-in-Picture (PIP) function allows you to keep a consistent video watching experience while using other applications, such as navigation.
Dynamic Ambiance with Multi-Color LED Lights
Customize the button light with 4 modes: User, Auto, Random, and Gradient, along with dozens of color options to create a dazzling light effect.
Optional Accessories
Enhance your driving experience with these optional accessories (sold separately):
- DVR (Digital Video Recorder): XTRONS DVR025S/DVR027S/DVR028S/DVR030S (with ADAS features). Records your journey on the road.
- DAB+ Tuner: XTRONS USBDAB01/USBDAB02/USBDAB04. Unlocks digital audio broadcasting programs with strong signals.
- TPMS (Tire Pressure Monitoring System): XTRONS TPMS07/TPMS08. Monitors and displays real-time tire pressure.
- Keyboard: XTRONS AMK003. External keyboard for easier input.
- HD/RCA Output: XTRONS USBHDMI/USBRCA. Turn USB port to HDMI/RCA output for sharing screen with other devices.
- AHD Camera: XTRONS CAM001F/CAM005/CAM009S (AHD 720P)/CAM018/CAM1080 (AHD 1080P). Provides instant reversing image with wider angle and clear night vision.
- OBD (On-Board Diagnostics): XTRONS OBD01S/OBD02/OBD03/OBD04. Retrieves real-time trouble codes from your car.
Maintenance
Efficient Cooling System
The XTRONS car stereo features a premium, all-aluminum heat sink that is 20% thicker than other models, ensuring optimal performance and heat dissipation during extended use, preserving high-quality audio experience.
Quality Assurance
XTRONS is committed to providing high-quality products. The unit undergoes rigorous testing to ensure reliability and durability:
- High and Low Temperature Test (between -20°C and +80°C)
- Verified In Car Test
- 8-hours Accelerated Aging Test
- Electrostatic Test
- Impact Test
- 1.2 Meters Drop Test
Troubleshooting
This section addresses common issues and questions. For more complex problems, please contact customer support.
- Q: What type of rear camera is compatible with this radio?
- A: The unit supports AHD 720P/1080P cameras. Compatible XTRONS models include CAM001F, CAM005, CAM009S (AHD 720P), CAM018, and CAM1080 (AHD 1080P). Please inquire for specific recommendations.
- Q: My rear speakers have static noise or no sound after installation.
- A: This may indicate a compatibility issue with your vehicle's original wiring. You might need an XTRONS AK/INIB/NFC/ONS adapter. Ensure your original ISO wiring harness plug is 40-pin before considering this adapter.
- Q: The unit does not fit my car.
- A: Please re-verify that your vehicle's original CD unit is not single DIN size. This unit is designed for double DIN openings in compatible Audi A3 8P series vehicles.
Specifications
| Feature | Specification |
|---|---|
| Brand Name | XTRONS |
| Model | PX74A3AL |
| Operating System | Android 14.0 OS |
| CPU | Octa Core 2.0GHz Processor (12nm) |
| RAM | 4GB DDR4 RAM |
| ROM | 64GB EMMC ROM |
| Display Size | 7 inches |
| Resolution | 1024*600 |
| Touch Screen | Yes, IPS Dual Layer G+G Capacitive Touch Screen |
| Out Power | 4*45W (STMicroelectronics TDA7388 Amplifier) |
| Voltage | DC 12V (10.8V-15.8V) |
| Max Current | 10A |
| Net Weight | 2.0kg |
| Gross Weight | 2.2kg |
| Item Size | 237*228*123 mm |
| Max External Memory | 128GB |
| Digital Media Format | AVI, MP4, MOV, WMV, RMVB, MPG, MPEG, VOB, FLV, ASF, TS, 3GP, JPG, JPEG, BMP, PNG, GIF, etc. |
| OSD Language | Multi-language support including English, German, French, Spanish, Italian, Russian, etc. |
| Special Features | Built-In Speaker/Microphone, WiFi Function, Steering Wheel Control, 3G/4G Network Support, Can-Bus Support, Built-in GPS, Mobile Phone, MP3 players, DSP, CarPlay, Android Auto, Screen Mirroring, Radio Tuner, PIP, Multi-color Light Effects, Built-in AKM DSP, 2K Video Playback, Support AHD Camera |
| Certification | CE, FCC |
| Material | ABS |
| For Vehicle Brands/Model | Audi A3 8P, S3 8P, RS3 Sportback (2003-2012) |
| Placement | In-Dash |
| Bluetooth Version | 5.0 |
| WiFi | Dual Band (2.4GHz/5GHz) |
| 4G LTE | Global 4G LTE (CAT7 Modem) |
| Radio Chip | STMicroelectronics SI4755 with RDS |
| GPS Module | Built-in (Supports GPS, BDS, GLONASS, GALILEO) |
| USB Ports | 3 |
User Tips
- For optimal performance, ensure all wiring connections are secure and correctly matched according to the provided diagram.
- If experiencing issues with rear speakers, consider checking the ISO wiring harness for a 40-pin configuration and potential need for an adapter.
- When using USB tethering, remember to configure your smartphone settings for sharing mobile internet.
- Explore the four distinct UI themes to find the one that best suits your driving style and preferences.
- Take advantage of the customizable multi-color LED button lights to match your car's interior or your mood.
Warranty and Support
The XTRONS car multimedia player comes with a 1-year warranty for the head unit and a 3-month warranty for accessories.
For any questions about the product, installation, or performance, please contact customer service. We are committed to providing satisfactory solutions.
