Anker A8178
Anker USB-C to Lightning Audio Adapter (Model A8178) User Manual
Connect your Lightning headphones to USB-C devices for high-quality audio.
1. Introduction
The Anker USB-C to Lightning Audio Adapter (Model A8178) allows you to connect your MFi-certified Lightning headphones to devices equipped with a USB-C port. This adapter is designed exclusively for audio transmission and does not support device charging. Enjoy lossless audio quality and full earphone functionality, including microphone and remote controls, across a range of compatible devices.
2. Product Features
- Apple MFi Certified: Ensures flawless compatibility and performance with all MFi-certified Lightning headphones.
- Simplified Listening: Use a single pair of Lightning headphones with various USB-C compatible devices, including iPhone, iPad Pro, Mac, and Windows 10 computers.
- Lossless Audio: Supports full digital 48KHz/24-bit audio transmission for superior sound quality.
- Full Audio Functionality: Retains microphone and remote control functions of your Lightning earphones when connected to USB-C devices.
- Enhanced Durability: Constructed with premium materials for a long lifespan, designed to withstand frequent use.
3. Setup Guide
3.1 General Connection
- Connect your MFi-certified Lightning headphones to the Lightning port of the Anker USB-C to Lightning Audio Adapter.
- Insert the USB-C connector of the adapter into the USB-C port of your compatible device (e.g., smartphone, tablet, laptop).
- Your device should automatically detect the adapter and route audio through your connected headphones.

Image: The Anker USB-C to Lightning Audio Adapter connected to a laptop, with Lightning headphones plugged into the adapter, demonstrating a typical setup.
3.2 Mac Device Audio Setup (One-Time)
For Mac computers, a one-time audio device setup may be required:
- Connect the Anker USB-C to Lightning Audio Adapter to your Mac.
- Connect your Lightning earphone to the adapter.
- Choose Apple menu > System Preferences, then click Sound.
- Choose the Output tab and select "Lightning Audio Adapter".
- Choose the Input tab and select "Lightning Audio Adapter".
4. Operating Instructions
- Once connected, audio from your USB-C device will be routed to your Lightning headphones.
- The adapter supports the microphone and remote control functions (e.g., volume, play/pause) of your connected Lightning headphones.
- Important Note: This adapter is for audio only and does not support charging of your device or headphones.
5. Compatibility
The Anker USB-C to Lightning Audio Adapter is compatible with:
- All MFi-certified Lightning headphones, including those with active noise canceling. Examples include:
- Apple EarPods with Lightning Connector
- Beats urBeats3 with Lightning connector
- Apogee Sennheiser AMBEO Smart Headset
- Audeze iSINE LX, LCDi4, iSINE20, iSINE10, SINE, and EL-8 Titanium
- Pioneer Rayz, Rayz Plus, Rally
- Radius HP-NEL21, HP-NEL31, HC-M100L, and HP-NHL21
- USB-C compatible devices such as:
- iPhone (with USB-C port)
- iPad Pro
- MacBook Pro
- Windows 10 computers
Note: Not compatible with Windows 8 or earlier operating systems.

Image: The Anker USB-C to Lightning Audio Adapter positioned among an iPad Pro, MacBook Pro, and a Windows 10 laptop, illustrating its broad compatibility.
6. Troubleshooting
- No Audio Output:
- Ensure both the Lightning headphones and the USB-C adapter are securely connected.
- Verify that your device's volume is not muted or set too low.
- If using a Mac, follow the "Mac Device Audio Setup" steps in Section 3.2 to ensure the "Lightning Audio Adapter" is selected as the input and output device.
- Confirm your headphones are MFi-certified.
- Adapter Not Charging Device:
- This adapter is designed for audio transmission only and does not support charging. This is normal operation.
- Incompatible Operating System:
- The adapter is not compatible with Windows 8 or earlier versions. Ensure your Windows device is running Windows 10 or later.
7. Specifications
| Model Number | A8178 (AK-A8178021) |
| Product Dimensions | 5 x 0.28 x 0.2 inches (12.7 x 0.71 x 0.51 cm) |
| Item Weight | 0.8 ounces (22.7 grams) |
| Manufacturer | Anker |
| Connector Type | USB Type C (Male) to Lightning (Female) |
| Audio Output | 48KHz/24-bit Digital Audio |
| Color | White |
| Date First Available | April 24, 2019 |

Image: The Anker USB-C to Lightning Audio Adapter being bent, highlighting its robust construction and long bend lifespan.
8. Safety Information
- Do not expose the adapter to extreme temperatures, direct sunlight, or corrosive environments.
- Avoid dropping or subjecting the adapter to strong impacts.
- Keep out of reach of children.
- Do not attempt to disassemble or modify the adapter.
- Use only with compatible devices and MFi-certified Lightning headphones.
9. Warranty and Customer Support
Anker provides a warranty for this product. For detailed warranty information, please refer to the warranty card included with your purchase or visit the official Anker website. If you encounter any issues or have questions regarding the Anker USB-C to Lightning Audio Adapter, please contact Anker customer support for assistance.
You can typically find support contact information on the Anker website or within your product packaging.
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