1. 서론
The FiiO KA11 is a compact and powerful USB C to 3.5mm audio adapter designed to enhance your audio experience across various devices. It integrates a high-performance Digital-to-Analog Converter (DAC) and a headphone amplifier to deliver high-fidelity sound. This manual provides essential information for setting up, operating, and maintaining your FiiO KA11.

Image: The FiiO KA11 USB C to 3.5mm Audio Adapter, showcasin컴팩트한 디자인과 커넥터가 특징입니다.
2. 주요 특징
- 고음질 오디오 성능: Equipped with a Hi-Res DAC chip (CS43131) for excellent and stable decoding. Supports a maximum sampling rate of 32bit/384KHz.
- 강한 Amp합리화: Delivers up to 245mW at 16Ω load and 200mW at 32Ω load, sufficient to drive most headphones.
- 컴팩트하고 휴대하기 편리한 디자인: With dimensions of 44x9.7x10.5mm and a weight of approximately 8.5g, it is convenient for on-the-go use.
- 고급 회로: Features high-standard circuit components and a multi-layer immersion gold circuit board for strong decoding ability and detailed sound control. Achieves THD+N: <0.0006%, SNR: 125dB, Noise: <1.7uV.
- 폭넓은 호환성: Connects via USB Type-C or Lightning connector to Android/iOS phones and tablets, as well as Windows and Mac computers.
- UAC1.0 지원: Offers UAC1.0 mode for plug-and-play compatibility with devices like Nintendo Switch and PS5, providing a low-latency gaming experience with rich sound effects. (Note: UAC1.0 mode requires switching via the FiiO Control app).

Image: Diagram illustrating the power output capabilities of the FiiO KA11 at different impedance levels.

Image: Detailed block diagram of the FiiO KA11's specially designed HiFi audio circuit, highlighting the DAC and op-amp 구성요소.

Image: Visual representation of the FiiO KA11's audio performance metrics, including THD+N, SNR, and Noise levels, along with supported audio formats.

이미지: 단면도 view of the FiiO KA11's cable, illustrating its high-purity oxygen-free palladium-plated copper wires and flexible silicone/braided cloth exterior.
3. 설정 가이드
- 소스 장치에 연결: Plug the USB Type-C or Lightning connector of the FiiO KA11 into the corresponding port on your smartphone, tablet, or computer.
- 헤드폰 연결: Insert your 3.5mm headphones or earphones into the 3.5mm audio jack of the FiiO KA11.
- 자동 인식: Most devices will automatically recognize the FiiO KA11 as an external audio output device. No additional drivers are typically required for standard operation (UAC2.0 mode).
- 볼륨 조절: Control the audio volume directly from your connected source device.

Image: The FiiO KA11 connected to various devices, illustrating its compatibility with Android, iOS, Windows, and Mac operating systems.
4. 사용 설명서
4.1 Standard Audio Playback
Once connected, the FiiO KA11 will function as your device's primary audio output. Simply play your desired audio content (music, videos, games) from your source device, and the sound will be routed through the KA11 to your connected headphones.
4.2 게임 콘솔용 UAC1.0 모드
For devices like Nintendo Switch and PS5, the FiiO KA11 supports UAC1.0 mode, enabling plug-and-play functionality and low-latency audio. To activate UAC1.0 mode:
- 다운로드하고 설치하세요 FiiO 컨트롤 앱 안드로이드 기기에서.
- Connect the FiiO KA11 to the Android device.
- Open the FiiO Control app and navigate to the settings for the KA11.
- Switch the USB Audio Class (UAC) mode from UAC2.0 to UAC1.0.
- Once switched, the KA11 can be connected to your gaming console for an immersive audio experience.
Note: The FiiO Control app is currently only supported on Android devices for changing UAC modes and other settings.

Image: The FiiO KA11 connected to a Nintendo Switch, demonstrating its UAC1.0 compatibility for an enhanced gaming audio experience.

Image: Screenshot of the FiiO Control app interface, showing options for adjusting settings like RGB lighting and digital filters for the KA11.
5. 유지관리
- 청소: Use a soft, dry cloth to wipe the exterior of the FiiO KA11. Avoid using liquid cleaners or solvents.
- 저장: 어댑터는 직사광선과 극한의 온도를 피해 서늘하고 건조한 곳에 보관하세요.
- 손질: Avoid bending or twisting the cable excessively, and always pull from the connector housing when unplugging to prevent damage.
- 열: It is normal for the device to warm up during extended use, especially when driving high-impedance headphones. Ensure adequate ventilation and avoid covering the device.

Image: Infographic detailing various quality assurance tests performed on the FiiO KA11, including plug/unplug cycles, salt spray, lifting, swing, crush, and extreme temperature tests.
6. 문제 해결
- 사운드 출력 없음:
- FiiO KA11이 소스 기기와 헤드폰에 제대로 연결되어 있는지 확인하십시오.
- Check the volume levels on your source device.
- Verify that the FiiO KA11 is selected as the audio output device in your device's sound settings.
- 문제의 원인을 파악하기 위해 다른 헤드폰이나 다른 음원 기기를 사용하여 테스트해 보세요.
- 장치가 감지되지 않음:
- Try reconnecting the KA11.
- 소스 장치를 다시 시작하십시오.
- If using UAC1.0 mode, ensure it was correctly switched using the FiiO Control app on an Android device. If the device is not detected after switching to UAC1.0, try connecting it to a compatible UAC1.0 device (like a gaming console) or an Android device to switch back to UAC2.0 if needed.
- 소리가 왜곡되거나 음질이 낮음:
- 오디오를 보장하세요 file품질이 좋습니다.
- 느슨한 연결이 없는지 확인하세요.
- Reduce the volume on your source device if distortion occurs at high levels.
- Avoid using the adapter in environments with strong electromagnetic interference.
- 기기가 따뜻해짐:
It is normal for the FiiO KA11 to become warm during operation, especially when driving demanding headphones or during prolonged use. This is due to the power amplification and DAC processing. If it becomes excessively hot or stops functioning, disconnect it immediately and contact support.
7. 기술 사양
| 모델 | KA11 |
| DAC 칩 | CS43131 |
| 커넥터 유형 | USB Type C (also available in Lightning variant) |
| 출력 전력(16Ω) | 245mW |
| 출력 전력(32Ω) | 200mW |
| 맥스 Samp링율 | 32 비트 / 384KHz |
| 총 고조파 왜곡률 + N | <0.0006% |
| 신호대잡음비 | 125데시벨 |
| 소음 | <1.7uV |
| 치수 | 44 x 9.7 x 10.5 mm (대략) |
| 품목 무게 | 8.5g(근사치) |
| 호환 장치 | Android, iOS, Windows, Mac, Nintendo Switch, PS5 |
8. 보증 및 지원
FiiO products are manufactured to high-quality standards. For warranty information, please refer to the warranty card included with your product or visit the official FiiO website. For technical support, product inquiries, or service, please contact FiiO customer service through their official channels.
자세한 정보와 지원 리소스는 다음에서 찾을 수 있습니다. 아마존의 FiiO 스토어.





