1. Einleitung
The FiiO KA11 is a compact and powerful USB-C to 3.5mm audio adapter designed to elevate your listening experience across various devices. Featuring a high-resolution DAC and amplifier, it delivers superior audio quality for headphones and earphones.

Image: FiiO KA11 USB C to 3.5mm Audio Adapter in silver and black variants, showcasing dank seines kompakten Designs.
2. Hauptmerkmale
- Hi-Fi-Audio-Leistung: Equipped with a Hi-Res DAC chip supporting up to 32bit/384KHz sampling rate for excellent and stable decoding.
- Hochleistungs-DAC-Chip: Built-in CS43131 DAC and op-amp for superior Hi-Fi sound.
- Kompakt und leistungsstark: Tiny body (44x9.7x10.5mm, 8.5g) with significant power output (245mW at 16Ω load, 200mW at 32Ω load) to drive most headphones.
- Advanced Circuitry: High-standard circuit components with multi-layer immersion gold circuit board design for strong decoding ability and better detail control. THD+N: <0.0006%, SNR: 125dB, Noise: <1.7uV.
- Breite Kompatibilität: Available with USB Type-C and Lightning connectors for use with Android/iOS phones/tablets, and Windows/Mac computers.
- UAC1.0 Support: Enables plug-and-play functionality with devices like Nintendo Switch and PS5 for low-latency gaming audio. (Note: UAC1.0 mode requires switching in the FiiO Control app).
- Langlebiges Kabel: Features high-purity oxygen-free palladium-plated copper wires and flexible silicone with braided cloth for durability.

Image: Detailed diagram illustrating the internal components and specially-designed HiFi circuit of the FiiO KA11.
3. Packungsinhalt
The FiiO KA11 package typically includes:
- FiiO KA11 USB C to 3.5mm Audio Adapter
- USB-C-auf-USB-A-Adapter (für breitere Kompatibilität)
- Quick Start Guide / Instruction Card
4. Einrichtung und Verbindung
4.1 Verbindung zu Android-Geräten
- Connect the USB-C end of the FiiO KA11 to the USB-C port of your Android phone or tablet.
- Plug your 3.5mm headphones or earphones into the 3.5mm output jack of the FiiO KA11.
- Your device should automatically recognize the adapter. Open your music player or audio application to begin listening.

Image: FiiO KA11 connected to an Android smartphone, demonstrating multi-device compatibility.
4.2 Connecting to iOS Devices (with Lightning Connector)
- If your FiiO KA11 has a Lightning connector, connect it directly to your iOS device.
- If your FiiO KA11 has a USB-C connector, you will need a separate USB-C to Lightning adapter (not included with all KA11 models) to connect to your iOS device.
- Plug your 3.5mm headphones or earphones into the 3.5mm output jack of the FiiO KA11.
- Your iOS device should automatically detect the adapter.
4.3 Connecting to Windows/Mac Computers
- Connect the USB-C end of the FiiO KA11 to a USB-C port on your computer.
- If your computer only has USB-A ports, use the included USB-C to USB-A adapter. Connect the FiiO KA11's USB-C end to the adapter, then plug the adapter into a USB-A port on your computer.
- Plug your 3.5mm headphones or earphones into the 3.5mm output jack of the FiiO KA11.
- The computer should automatically install necessary drivers (UAC2.0 mode). Select the FiiO KA11 as your audio output device in your system settings.

Image: FiiO KA11 connected to a laptop, demonstrating its use with computers.
5. Bedienungsanleitung
5.1 Kontrollleuchte
The FiiO KA11 features an indicator light that changes color based on the audio sampLing-Rate:
- Blaues Licht: PCM ≤ 48kHz
- Gelbes Licht: PCM > 48kHz
- Grünes Licht: DSD

Image: Close-up of the FiiO KA11 showing the indicator light and its color meanings for different audio formats.
5.2 UAC1.0 Mode for Gaming Consoles
The FiiO KA11 supports UAC1.0 mode, which is ideal for plug-and-play use with gaming consoles like Nintendo Switch and PS5, providing a low-latency gaming experience with rich sound effects.
- To switch to UAC1.0 mode, you must use the FiiO Control app on an Android device.
- Connect the FiiO KA11 to an Android device, open the FiiO Control app, and follow the instructions to switch the UAC mode.

Image: FiiO KA11 connected to a Nintendo Switch, highlighting its UAC1.0 support for gaming.
6. Wartung und Pflege
- Halten Sie das Gerät trocken und fern von Feuchtigkeit.
- Vermeiden Sie extreme Temperaturen.
- Mit einem weichen, trockenen Tuch reinigen. Keine scharfen Chemikalien verwenden.
- Handle the connectors and cable gently to prevent damage.

Image: FiiO KA11 undergoing various quality tests, including plug/unplug, salt spray, lifting, swing, crush, and extreme temperature tests.
7. Fehlerbehebung
- Kein Ton:
- Ensure the FiiO KA11 is securely connected to both your source device and headphones.
- Check the volume levels on both your source device and any inline headphone controls.
- Verify that the FiiO KA11 is selected as the audio output device in your system settings (for computers).
- Versuchen Sie, Ihr Quellgerät neu zu starten.
- Gerät nicht erkannt:
- Ensure your source device's USB-C port supports audio output.
- If using a USB-A adapter, ensure it is functioning correctly.
- For gaming consoles, ensure UAC1.0 mode is enabled via the FiiO Control app if required.
- Sound Quality Issues (Static, Distortion):
- Stellen Sie sicher, dass alle Verbindungen sicher sind.
- Test with different headphones or a different audio source to isolate the issue.
- Vermeiden Sie die Verwendung des Geräts in Umgebungen mit starken elektromagnetischen Störungen.
- Gerät wird warm:
- It is normal for the FiiO KA11 to become warm during extended use, especially when driving high-impedance headphones. If it becomes excessively hot or stops functioning, discontinue use and contact support.
8. Spezifikationen
| Besonderheit | Detail |
|---|---|
| Modellnummer | KA11 |
| DAC-Chip | CS43131 |
| Max Sampling-Rate | 32bit / 384kHz |
| Output Power (16Ω) | 245 mW |
| Output Power (32Ω) | 200 mW |
| Klirrfaktor | <0.0006 % |
| SNR | 125 dB |
| Lärm | <1.7 uV |
| Maße | 44 x 9.7 x 10.5 mm (1.73 x 0.41 x 0.04 Zoll) |
| Artikelgewicht | 8.5 g (1.76 Unzen) |
| Steckertyp | USB Type C (also available with Lightning) |
| Kompatible Geräte | Android, iOS, Windows, Mac, Headphones, Nintendo Switch, PS5 |

Image: FiiO KA11 showcasing its impressive audio measurements and Hi-Res Audio certification.
9. Produktvideos
9.1 Schnelle Review of the FiiO KA11
Video: Ein kurzer Rückblickview highlighting the essential features and benefits of the FiiO KA11 USB C to 3.5mm Audio Adapter.
9.2 FiiO KA11 - The Best Budget Option
Video: Eine kurze Videopräsentationasing the FiiO KA11 as an excellent budget-friendly option for audio enthusiasts.
9.3 USB C to 3.5mm DAC Amp Überview
Video: Ein kurzer Überblickview of a USB C to 3.5mm DAC amplifier, demonstrating its functionality and design.
10. Garantie und Support
The FiiO KA11 typically comes with a 12-month limited warranty from the date of purchase. For warranty claims, technical support, or any product-related inquiries, please contact FiiO customer service or visit their official webWebsite.
Weitere Informationen und Unterstützungsangebote finden Sie auf der FiiO Store auf Amazon.





