Introduction
The FiiO KA11 is a compact and powerful Lightning to 3.5mm audio adapter designed to enhance your audio experience. It features a high-performance DAC (Digital-to-Analog Converter) chip, supporting high-resolution audio up to 32bit/384KHz. This device allows you to connect 3.5mm headphones to your Lightning-enabled devices, delivering high-fidelity sound for music, gaming, and communication.
The KA11 is compatible with a wide range of operating systems, including iOS, Android, Windows, and Mac, offering versatility for various devices.
Package Contents
- FiiO KA11 Lightning to 3.5mm Audio Adapter
- User Manual (this document)
Setup
Connecting the KA11
- Connect to your device: Insert the Lightning connector of the FiiO KA11 into the Lightning port of your iOS device (e.g., iPhone, iPad).
- Connect your headphones: Plug your 3.5mm headphones or earphones into the 3.5mm audio jack of the FiiO KA11.
- Automatic Recognition: The device should automatically recognize the KA11 as an audio output device. No additional drivers are typically required for basic audio playback.
Image: The FiiO KA11 adapter connected to a smartphone, with headphones plugged into the adapter's 3.5mm jack.
FiiO Control App (Android Only)
For Android devices, the FiiO Control app allows for advanced settings such as UAC1.0 mode switching, RGB lighting control, and digital filters. This app is not available for iOS devices.
Operating Instructions
Audio Playback
Once connected, your device will route audio through the FiiO KA11. Adjust the volume directly on your connected device. The KA11 features a high-performance DAC chip (CS43131) and op-amp for high-fidelity sound reproduction.
LED Indicator
The FiiO KA11 includes an LED indicator that displays the current audio sampling rate:
- Blue Light: PCM ≤ 48kHz
- Yellow Light: PCM > 48kHz
- Green Light: DSD audio
Image: The FiiO KA11 adapter showing its LED indicator, which changes color based on the audio sampling rate (Blue for PCM ≤ 48kHz, Yellow for PCM > 48kHz, Green for DSD).
UAC1.0 Mode for Gaming
The KA11 supports UAC1.0 mode, which is beneficial for devices like Nintendo Switch and PlayStation 5. This mode enables plug-and-play functionality and a low-latency gaming experience with rich sound effects. To activate UAC1.0 mode, use the FiiO Control app (Android only).
Image: The FiiO KA11 adapter connected to a Nintendo Switch console, demonstrating its use for an immersive gaming experience.
Power Output
The KA11 provides significant power output to drive most headphones:
- 245mW at 16Ω load
- 200mW at 32Ω load
Image: A graphic illustrating the power output capabilities of the FiiO KA11, showing 245mW at 16Ω and 200mW at 32Ω.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the KA11. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Handle the adapter with care. Avoid bending or twisting the cable excessively, especially near the connectors, to prevent damage.
- Heat: It is normal for the KA11 to become slightly warm during extended use. If it becomes excessively hot, disconnect it and allow it to cool down.
Troubleshooting
No Sound or Low Volume
- Ensure both the Lightning connector and the 3.5mm headphone jack are fully inserted.
- Check the volume level on your connected device.
- Test with different headphones to rule out headphone issues.
- Ensure your device's audio output is set to the FiiO KA11 if multiple options are available.
"Accessory requires too much power" Error (iOS)
- This error may occur if the iOS device detects excessive power draw.
- Ensure your iOS device is running the latest software version.
- Try disconnecting and reconnecting the KA11.
- If the issue persists, contact FiiO support for potential firmware updates or further assistance.
Audio Imbalance or Distortion
- Ensure the 3.5mm headphone jack is securely connected.
- Test with different audio files or streaming services to determine if the issue is source-related.
- Reduce the volume on your device to see if distortion decreases.
No Microphone or In-line Control Functionality
- The FiiO KA11 is designed primarily for audio output. It does not support microphone input or in-line remote controls (play/pause, volume up/down) from connected headphones.
Specifications
| Feature | Specification |
|---|---|
| Model | KA11 |
| DAC Chip | CS43131 |
| Max Sampling Rate | 32bit/384KHz, DSD256 |
| Connector Type | Lightning to 3.5mm |
| Compatible Devices | iOS, Android, Windows, Mac |
| Output Power (16Ω) | 245mW |
| Output Power (32Ω) | 200mW |
| THD+N | <0.0006% |
| SNR | 125dB |
| Noise | <1.7uV |
| Dimensions (L x W x H) | 44 x 9.7 x 10.5mm (1.73 x 0.41 x 0.04 inches) |
| Weight | Approximately 8.5g |
Image: A graphic detailing the technical specifications of the FiiO KA11, including its CS43131 DAC, 245mW output, Hi-Res Audio certification, and compatibility with various operating systems.
Warranty
The FiiO KA11 Lightning to 3.5mm Audio Adapter comes with a 1-year limited warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
For warranty claims or service, please retain your proof of purchase and contact FiiO customer support or your authorized dealer.
Support
For further assistance, technical support, or to download the FiiO Control app (for Android), please visit the official FiiO website:
You may also contact your local FiiO distributor or retailer for support.
Product Video
Video: A quick review of the FiiO KA11, highlighting its features and what you need to know about the product.