erisin ES9091V

Erisin 9-inch Android 16 Car Stereo User Manual

Model: ES9091V

1. Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of your Erisin 9-inch Android 16 Car Stereo. Please read this manual thoroughly before using the product to ensure correct operation and to prevent damage.

The Erisin ES9091V is an advanced car multimedia system featuring Android 16, an 8-core processor, 8GB RAM, and 128GB ROM. It offers a 9-inch IPS display, wireless Apple CarPlay and Android Auto, GPS navigation, Bluetooth 5.1, dual-band Wi-Fi, and 4G LTE connectivity. Designed for various VW, Seat, and Skoda models, it enhances your driving experience with modern infotainment features.

2. Product Overview and Features

The Erisin ES9091V car stereo is equipped with a range of features designed for performance and connectivity:

  • Operating System: Android 16.0
  • Processor: Qualcomm Snapdragon 460 Octa-Core (11nm, 4A73 4A53, up to 1.8 GHz, GPU Adreno 610)
  • Memory: 8GB RAM + 128GB ROM (expandable up to 256GB via TF card/USB)
  • Display: 9-inch IPS screen with 1280 x 720 resolution
  • Connectivity:
    • Wireless & Wired Apple CarPlay and Android Auto
    • Bluetooth 5.1 for hands-free calling and music streaming
    • Dual-band Wi-Fi (2.4/5GHz)
    • Integrated 4G LTE module (Micro-SIM compatible)
  • Audio: Built-in DSP (BU32107) amplifier, coaxial and optical audio outputs, customizable equalizer
  • Navigation: GPS navigation with support for offline and online maps
  • Additional Features:
    • Integrated Canbus decoder
    • Steering wheel control support
    • Split-screen functionality
    • Radio tuner with RDS
    • Support for external accessories: Torque Pro OBD2, DVR, TPMS, TV, DAB+, DVB-T/T2, rear camera (CVBS and AHD up to 1080P 30FPS)
Erisin ES9091V Car Stereo with feature icons

Image: Overview of Erisin ES9091V car stereo features, including Bluetooth 5.1, DSP, Radio, SWC, CarPlay, Android 16, Qualcomm Chip, GPS, Android Auto, WiFi Dual, 4G, USB, DVR, DTV, TPMS, DAB+, and OBD.

3. Compatibility

This Erisin car stereo is designed for a wide range of Volkswagen, SEAT, and SKODA vehicles. Please verify your vehicle's dashboard dimensions and connector type before installation.

Compatible Vehicle Models:

  • Volkswagen: Passat B6, T5 Multivan, Polo 6R, Golf 5, Golf 6, Golf Plus, Jetta V, Jetta Vl, Passat B7, Passat CC, Scirocco, Magotan, Sharan, Touran, Tiguan, T5 Transporter, T5 Caravelle, Vento, Amarok, Beetle, Bora, Caddy, EOS.
  • SEAT: Alhambra, Altea, Altea XL, Leon Mk2, Toledo.
  • SKODA: Fabia, Fabia Combi, Roomster, Octavia, Yeti, Superb.

Installation Dimensions:

The unit's installation dimensions are approximately 220mm (top width) x 130mm (height) x 210mm (bottom width).

Important Connector Note:

This car stereo comes with a Quadlock 40pin PQ connector. If your vehicle's power port uses a Quadlock 52pin MQB connector, you will need to purchase a separate 52pin MQB adapter cable (ASIN: B0DX6SNGNR).

Erisin ES9091V Car Stereo installed in a dashboard, showing before and after views

Image: Illustration of the car stereo installation, showing a "Before" view of a standard car radio and an "After" view with the Erisin 9-inch unit installed, demonstrating screen mirroring.

4. Setup and Installation

Professional installation is recommended. Ensure the vehicle's power is disconnected before beginning installation.

4.1. What's in the Box:

  • 1 x Erisin 2DIN Car Stereo
  • 1 x English User Manual
  • 1 x RCA AV Connection Cable
  • 1 x Rear Camera Input and Control Cable
  • 1 x Power Cable with Quadlock Connector
  • 1 x Power Cable with ISO Connector
  • 1 x Special CANBus Decoder
  • 1 x Radio Antenna Adapter Cable (DIN to Fakra)
  • 2 x Rear USB Adapter Cables
  • 1 x USB Adapter Cable for Vehicle USB Port
  • 1 x External Microphone
  • 1 x 4G Antenna
  • 1 x GPS Antenna

4.2. Wiring Diagram:

Refer to the detailed wiring diagram for proper connection of all components. Ensure all cables are securely connected to their respective ports.

Detailed wiring diagram for Erisin ES9091V car stereo, showing various cable connections and ports.

Image: Comprehensive wiring diagram illustrating the connections for power, audio, video, USB, GPS, 4G, and other peripherals for the Erisin car stereo.

4.3. Initial Power-On:

After installation, turn on your vehicle's ignition. The unit should power on automatically. Follow any on-screen prompts for initial setup, such as language selection and time zone.

5. Operating Instructions

5.1. Apple CarPlay and Android Auto

The unit supports both wireless and wired Apple CarPlay and Android Auto. This allows seamless integration of your smartphone for navigation, calls, messages, and music.

  • Wireless Connection: Enable Bluetooth and Wi-Fi on your smartphone. Pair your phone with the car stereo via Bluetooth. Follow the on-screen prompts to activate CarPlay or Android Auto wirelessly.
  • Wired Connection: Connect your smartphone to the car stereo's USB port using a certified USB cable. CarPlay or Android Auto should launch automatically.
Apple CarPlay and Android Auto interfaces displayed on the Erisin car stereo screen.

Image: The car stereo display showing both Apple CarPlay and Android Auto interfaces, demonstrating smartphone integration for various applications.

5.2. GPS Navigation

The system supports both offline and online GPS navigation. Pre-installed maps are available, and you can download additional map applications from the Google Play Store.

  • Offline Maps: Access the pre-loaded navigation application. Ensure map data for your region is downloaded for offline use.
  • Online Maps: Connect the unit to Wi-Fi or insert a 4G Micro-SIM card. Use online navigation apps like Google Maps, Waze, or Sygic for real-time traffic and updates.
GPS Navigation interface on the Erisin car stereo, showing a map with route guidance and various map app icons.

Image: The GPS navigation screen displaying a map with route indicators and icons for popular navigation applications such as Sygic, Waze, and iGO Primo.

5.3. Bluetooth 5.1

Connect your smartphone via Bluetooth for hands-free calling and audio streaming.

  • Pairing: Go to the Bluetooth settings on the car stereo and your phone. Search for available devices and select "Erisin ES9091V" (or similar name). Confirm the pairing code.
  • Hands-Free Calling: Once paired, you can make and receive calls directly from the car stereo interface.
  • Music Streaming: Play audio from your phone through the car stereo speakers.
Bluetooth 5.1 interface on the Erisin car stereo, showing phone call and music streaming options.

Image: A visual representation of the Bluetooth 5.1 functionality, highlighting hands-free calling and music playback from a connected smartphone.

5.4. Radio Tuner

The built-in radio tuner supports FM/AM bands with RDS (Radio Data System) for displaying station information.

  • Scanning: Use the auto-scan function to find and save available radio stations.
  • Manual Tuning: Manually adjust the frequency to tune into specific stations.
  • RDS: When available, RDS will display station names, program types, and other information.
Radio tuner interface on the Erisin car stereo, showing frequency display and station presets.

Image: The digital radio interface showing the current frequency (87.50 MHz) and options for selecting different bands and presets.

5.5. Digital Sound Processor (DSP)

The integrated DSP allows for advanced audio customization to optimize sound quality in your vehicle.

  • Equalizer: Adjust frequency bands to tailor the sound to your preference.
  • Sound Field: Customize the sound stage and speaker balance.
  • Bass Boost: Enhance low-frequency output.
Digital Sound Processor (DSP) interface on the Erisin car stereo, showing equalizer and sound field controls.

Image: The digital audio processor interface, displaying various sound controls, including an equalizer with multiple channels and faders, and sound field adjustments.

5.6. Steering Wheel Control (SWC)

The unit supports your vehicle's existing steering wheel controls via the integrated CANBus decoder, allowing you to manage functions safely while driving.

  • Configuration: Access the SWC settings in the system menu to map your steering wheel buttons to specific functions (e.g., volume, track skip, mode).
  • Usage: Once configured, use your steering wheel buttons to control the car stereo without taking your hands off the wheel.
Steering wheel control learning interface on the Erisin car stereo.

Image: The steering wheel control configuration screen, showing options to learn and assign functions to physical buttons on the steering wheel.

5.7. Split Screen Functionality

The split-screen feature allows you to run two applications simultaneously on the display.

  • Activating Split Screen: Long-press the recent apps button or drag an app to one side of the screen. Select another app to fill the remaining space.
  • Adjusting Size: Drag the divider bar to adjust the size of each application window.
Split screen feature on the Erisin car stereo, showing two applications running side-by-side.

Image: The split-screen function in action, displaying a video player on one side and a web browser on the other, demonstrating multitasking capabilities.

5.8. Internet Connectivity (Wi-Fi & 4G LTE)

Stay connected with dual-band Wi-Fi and an integrated 4G LTE module.

  • Wi-Fi: Connect to a Wi-Fi hotspot (e.g., from your smartphone or home network) to access online services, download apps, and browse the internet.
  • 4G LTE: Insert a Micro-SIM card into the designated slot to enable independent 4G internet access. This allows for continuous online navigation, streaming, and app usage without relying on a phone hotspot.
Erisin car stereo showing Wi-Fi and 4G LTE connectivity options.

Image: A graphic illustrating the dual-band Wi-Fi (2.4GHz and 5GHz) and 4G LTE connectivity features, enabling internet access for the car stereo.

6. Optional Accessories

Enhance the functionality of your Erisin car stereo with various optional accessories:

  • Rear View Camera: Connect a rear camera for parking assistance with automatic display switching when reversing.
  • DVR Camera: Record driving footage for security and evidence purposes.
  • DAB+ Receiver: Enjoy high-quality digital audio broadcasting.
  • TPMS Module: Monitor tire pressure in real-time for safety.
  • OBD2 Scan Tool: Connect via Bluetooth to monitor vehicle diagnostics using apps like Torque Pro.
  • DVB-T/T2 Box: Receive digital terrestrial television broadcasts.
Various optional accessories for the Erisin car stereo, including cameras, DAB+ receiver, and OBD2 tool.

Image: A display of optional accessories such as USB Hub Splitter, Rear View Camera, Car OBD2 Scan Tool, DAB+ Digital Radio Box, USB 3.0 Card Reader, DVB-T/T2 Box, USB DVR Camera, External Microphone, and TPMS Module.

7. Specifications

FeatureDetail
BrandErisin
Model NameES9091V (8+128GB 9" Android 16 Autoradio)
Operating SystemAndroid 16
ProcessorQualcomm Snapdragon 460 (8-Core)
RAM8 GB
Internal Storage128 GB
Screen Size9 Inches
Screen TypeIPS Capacitive Touchscreen
Resolution1280 x 720
BluetoothVersion 5.1
Wi-FiDual-band (2.4/5GHz)
4G LTEIntegrated module (Micro-SIM compatible)
GPSSupported (GPS, Galileo)
Audio Output ModeStereo
DSP AmplifierBU32107
Connectivity TechnologyApple CarPlay (wireless/wired), Android Auto (wireless/wired), Ethernet, USB, WiFi, Bluetooth 5.1
Compatible Flash MemorymicroSD
Control MethodApp, Touch
Mounting TypePanel Mount

8. Maintenance

To ensure the longevity and optimal performance of your Erisin car stereo, follow these maintenance guidelines:

  • Cleaning the Screen: Use a soft, lint-free cloth specifically designed for electronic screens. Do not use abrasive cleaners or solvents. Gently wipe the screen to remove dust and fingerprints.
  • Software Updates: Periodically check for software updates provided by Erisin. Keeping the software updated can improve performance, add new features, and fix bugs.
  • Avoid Extreme Temperatures: Do not expose the unit to extreme heat or cold for extended periods, as this can affect its electronic components.
  • Cable Connections: Periodically check all cable connections to ensure they are secure and free from damage. Loose connections can lead to intermittent issues.
  • System Reset: If the system becomes unresponsive, a soft reset (usually a small reset button or a combination of buttons) can often resolve the issue. Refer to the device settings for reset options.

9. Troubleshooting

If you encounter issues with your Erisin car stereo, refer to the following common troubleshooting steps:

9.1. No Power / Screen Black:

  • Check Power Connections: Ensure all power cables are securely connected to the vehicle's power source and the stereo unit. Verify the vehicle's fuse for the stereo is intact.
  • Vehicle Ignition: Confirm the vehicle's ignition is on, as some stereos require ignition power to turn on.
  • Reset: Locate the reset button (often a small pinhole) and press it with a thin object (e.g., a paperclip) to perform a system reset.

9.2. No Sound:

  • Volume Level: Check the volume level on the stereo and ensure it is not muted.
  • Speaker Connections: Verify that all speaker wires are correctly connected to the stereo and are not short-circuited.
  • Audio Source: Ensure the correct audio source (e.g., Radio, Bluetooth, CarPlay) is selected.

9.3. Bluetooth Connection Issues:

  • Enable Bluetooth: Ensure Bluetooth is enabled on both the car stereo and your smartphone.
  • Forget Device: On your phone, "forget" the car stereo from your Bluetooth device list, then attempt to pair again.
  • Proximity: Ensure your phone is within range of the car stereo.

9.4. GPS Signal Loss:

  • GPS Antenna: Ensure the GPS antenna is properly connected and placed in a location with a clear view of the sky (e.g., on the dashboard).
  • Software: Check if the navigation software is up to date.

9.5. CarPlay/Android Auto Not Connecting:

  • USB Cable: For wired connections, use a high-quality, certified USB cable. Faulty cables are a common cause of connection issues.
  • Phone Settings: Ensure CarPlay/Android Auto is enabled in your phone's settings.
  • App Updates: Ensure the CarPlay/Android Auto app on your phone is updated to the latest version.

10. Warranty and Support

10.1. Product Warranty:

The Erisin ES9091V car stereo comes with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. Please retain your proof of purchase for warranty claims.

The warranty does not cover damage caused by improper installation, misuse, accidents, unauthorized repairs, or normal wear and tear.

10.2. Customer Support:

For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact Erisin customer support through the retailer where you purchased the product or visit the official Erisin website for contact information.

When contacting support, please have your product model (ES9091V) and proof of purchase ready.

© 2026 Erisin. All rights reserved.

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