1. Уводзіны
The INVERY Airdual Bluetooth 5.0 aptX-HD Adapter is designed to upgrade your vehicle's audio system, enabling high-quality Bluetooth music streaming. This adapter is compatible with specific Audi, Volkswagen, and Mercedes-Benz models equipped with MMI/AMI or MDI music interfaces. It features a powerful Qualcomm CSR8675 chipset, supporting advanced audio formats like aptX, aptX-LL, and aptX-HD for superior sound. Enjoy seamless music playback with control via your car's steering wheel buttons and head unit radio controls.

Figure 1: INVERY Airdual Bluetooth 5.0 aptX-HD Adapter
This image shows the compact INVERY Airdual adapter with its integrated cable and MMI/AMI connector, ready for installation.
2. Сумяшчальнасць
The Airdual-300A adapter is designed for specific vehicle entertainment systems. Please verify your car's head unit type and music interface before installation.
2.1 Compatible Models:
- Audi MMI 3G, 3G+ (2009-2020)
- Audi Concert/Symphony (2009-2020)
- VW RNS 510 (2009-2020)
- VW 3G for RNS 315 (2009-2020)
- VW Premium 8 systems (2009-2020)
- Mercedes with AMI music interface (2005-2011)
2.2 Incompatible Models:
- Audi MMI/AMI 2G system (2004-2009) - Please order Airdual-Audi2G for these models.
- Audi Navigation Plus with AMI music interface.
- Mercedes (2012-2020)
Note: This adapter only supports Bluetooth music streaming and does not support phone calls. If your car has a built-in Bluetooth phone system, it can work simultaneously with the Airdual for audio streaming.

Figure 2: Detailed Compatibility Chart
This chart provides a visual guide to compatible head unit types and music interfaces for Audi, VW, and Mercedes-Benz vehicles, indicating which Airdual models are suitable.
3. Асаблівасці
- Qualcomm CSR8675 Chipset: Equipped with a powerful Qualcomm CSR8675 chipset for enhanced sound quality, supporting 24Bit audio processing and 120MHz DSP.
- High-Quality Audio Transmission: Supports aptX, aptX-LL (Low Latency), and aptX-HD high-quality transmission formats for superior audio fidelity.
- Ўстаноўка Plug-and-Play: Simple installation by plugging the adapter into the AMI/MDI connector (typically found in the glove box or center console), pairing via Bluetooth, and playing music. No complex wiring required.
- Кіраванне на рулі: Allows control of music playback (previous/next tracks) directly from your vehicle's steering wheel buttons, enhancing driving safety.
- Head Unit Radio Button Control: Supports control of music through the car's head unit radio buttons.
- Playlist Display (iPhone): For iPhone users, the adapter supports displaying Apple Music playlists (iTunes playlists) on the car's screen.
- Track Information Display (iPhone & Android): Supports displaying current track information for Spotify/Pandora on both iPhone and Android devices. (For Audi owners, enable "Display Track Info" in car options [setup]).

Figure 3: Qualcomm Bluetooth 5.0 Chipset
This image highlights the advanced Qualcomm Bluetooth 5.0 chipset, emphasizing its faster transmission speed, support for aptX-LL, and DSP&EQ capabilities compared to older versions.

Figure 4: Control Options
This image illustrates how the INVERY Airdual adapter allows music control via both the steering wheel buttons and the original car head unit radio buttons, promoting safer driving.
4. Настройка
Setting up your INVERY Airdual adapter is a straightforward process. Follow these steps for quick installation and pairing:
- Locate the AMI/MDI Connector: The AMI (Audi Music Interface) or MDI (Media Device Interface) connector is typically found in your vehicle's glove box or center console.
- Падключыце адаптар: Firmly plug the INVERY Airdual adapter into the AMI/MDI connector. Ensure it is fully seated to establish a proper connection.
- Уключэнне і спалучэнне: Once plugged in, the adapter will power on. On your mobile device (smartphone or tablet), navigate to your Bluetooth settings. Look for "INVERY" in the list of available devices and select it to pair.
- Пацвердзіце падключэнне: After successful pairing, your device should show "INVERY" as connected. The adapter's indicator light will typically show a solid blue.
- Enable Track Info Display (Audi Specific): For Audi vehicles, to enable track information display on your car's screen, go to your car's MMI/AMI system options, find [setup], and select [Display Track Info].
Video 1: Airdual Bluetooth Adapter Installation and Pairing Guide
This video demonstrates the simple process of plugging the INVERY Airdual adapter into the AMI connector and pairing it with a mobile device for music streaming. It also shows the iTunes playlist display and control functionality.

Figure 5: Adapter Installation in Glovebox
This image shows the INVERY Airdual adapter being installed into the AMI port located within the vehicle's glovebox.
5. Інструкцыя па эксплуатацыі
Once the INVERY Airdual adapter is successfully installed and paired, you can begin streaming music and controlling playback using your vehicle's existing controls.
5.1 Прайграванне музыкі:
- Start playing music from your paired mobile device using your preferred music application (e.g., Apple Music, Spotify, Pandora).
- The audio will automatically stream through your car's sound system.
5.2 Control via Steering Wheel and Head Unit:
- Выкарыстоўвайце steering wheel song buttons to navigate between tracks (previous/next).
- Выкарыстоўвайце head unit radio buttons to control music playback, including skipping tracks.
5.3 Display Functionality:
- Карыстальнікі iPhone: The adapter supports displaying your Apple Music (iTunes) playlist directly on your car's dashboard and main screen.
- Карыстальнікі Android: The adapter supports displaying current track information (e.g., song title, artist) for apps like Spotify and Pandora. Full playlist display is not supported for Android.

Figure 6: iPhone Playlist Display
This image demonstrates how the INVERY Airdual adapter allows iPhone users to sync and display their Apple Music playlists on both the car's dashboard and the main car screen.

Figure 7: Android Track Info Display
This image illustrates that for Android users, the adapter supports displaying current track information on the car's screen, along with steering wheel button control, but not full music playlist display.
6. Выпраўленне непаладак
If you encounter any issues while using your INVERY Airdual adapter, please refer to the following common troubleshooting steps:
- Няма гуку або падключэння:
- Ensure the adapter is firmly plugged into the AMI/MDI connector. Sometimes a loose connection can prevent proper function.
- Verify that Bluetooth is enabled on your mobile device and that "INVERY" is selected and connected in your device's Bluetooth settings.
- Try unplugging the adapter, restarting your car's infotainment system (if possible), and then plugging the adapter back in.
- Ensure your car's audio source is set to the correct AMI/MDI input.
- No Track Information Display:
- For Audi vehicles, check your car's MMI/AMI system options. Go to [setup] and ensure [Display Track Info] is enabled.
- Remember that full playlist display is only supported for iPhone Apple Music (iTunes) playlists. Android devices will only show current track information.
- Automatic Reconnection Issues:
- If the adapter does not automatically reconnect after a phone call or turning the car off/on, try manually selecting "INVERY" in your phone's Bluetooth settings.
- In some cases, unplugging and re-plugging the adapter may resolve persistent reconnection issues.
- Sound Quality Issues (Static, Low Volume):
- Ensure the adapter is fully inserted into the AMI/MDI port. A partial connection can lead to poor audio.
- Check the volume levels on both your mobile device and your car's audio system.
- Minimize interference from other electronic devices in the vehicle.
- Функцыянальнасць тэлефоннага званка:
- The INVERY Airdual adapter is designed for music streaming only and does not support phone calls. If your car has a separate Bluetooth phone system, ensure your phone is connected to the car's system for calls.
7. Тэхнічныя характарыстыкі
| Асаблівасць | Дэталь |
|---|---|
| Нумар мадэлі | Airdual-300A |
| Марка | ІНВЕРЫ |
| Тэхналогія падлучэння | Bluetooth 5.0 |
| Набор мікрасхем | Qualcomm CSR8675 |
| Апрацоўка гуку | 24Bit audio, 120MHz DSP |
| Падтрымліваюцца аўдыяфарматы | APTX, APTX-LL, APTX-HD |
| Памеры прадукту | 4 х 1.7 х 4 цалі (10.16 х 4.32 х 10.16 см) |
| Вага прадмета | 2.46 унцыі (69.74 грам) |
8. Гарантыя і падтрымка
For warranty information, technical support, or any inquiries regarding your INVERY Airdual Bluetooth adapter, please contact INVERY customer service directly. Refer to the product packaging or the official INVERY webсайт, каб атрымаць найбольш актуальную кантактную інфармацыю і ўмовы гарантыі.
9. Інфармацыя па бяспецы
Please read and follow all safety instructions to prevent injury or damage to the device and your vehicle:
- Do not attempt to disassemble or modify the adapter. This may void the warranty and cause damage.
- Трымайце прыладу далей ад вады, вільгаці і экстрэмальных тэмператур.
- Ensure the adapter is securely installed to prevent it from becoming a projectile during sudden stops or accidents.
- Always prioritize safe driving. Do not operate your mobile device or car's infotainment system in a way that distracts you from the road.



