1. Einleitung
The FiiO KB3 is a mechanical keyboard designed to integrate high-fidelity audio decoding and amplification with a responsive typing experience. This manual provides instructions for setting up, operating, and maintaining your FiiO KB3 keyboard to ensure optimal performance and longevity.

Image 1.1: The FiiO KB3 HiFi Mechanical Music Keyboard, showcasing its RGB backlighting and compact 75% layout.
2. Produktüberschreitungview
2.1 Hauptmerkmale
- Integrated HiFi Audio: Features dual high-performance DAC chips (CS43131*2) and op-amp chips (SGM8262*2) for professional-grade lossless audio decoding and amplifizierung.
- Unterstützung für hochauflösendes Audio: Supports audio decoding up to 32Bit/384kHz and DSD256.
- Powerful Headphone Output: Provides up to 550mW output, capable of driving most headphones.
- Zwei Kopfhörerausgänge: Includes 3.5mm single-ended (TRRS with microphone support) and 4.4mm balanced headphone output interfaces.
- Mechanical Keyboard Design: 75% layout with 81 keys, multi-layer GASKET structure, and Kailh Box 3.0 Pro Yellow switches for a smooth typing experience.
- Hot-Swap-fähige Schalter: Allows for easy replacement and customization of switches.
- RGB-Hintergrundbeleuchtung: Customizable RGB lighting with multiple preset dynamic lighting effects.
- Langlebige Konstruktion: High-quality aluminum-magnesium alloy keyboard cover.
- Breite Kompatibilität: Supports PC, Mac, iOS, and Android devices.
- VIA Firmware Support: Enables advanced customization of key functions and RGB lighting.

Bild 2.1: Überview of the FiiO KB3's primary features, highlighting its mechanical and audio capabilities.
2.2 Packungsinhalt
Überprüfen Sie, ob alle Artikel im Paket vorhanden sind:
- FiiO KB3 HiFi Mechanical Music Keyboard
- USB Cable (for connectivity and power)
3. Einrichtung
3.1 Anschließen der Tastatur
- Locate the USB-C port on the FiiO KB3 keyboard.
- Connect one end of the provided USB cable to the keyboard's USB-C port.
- Connect the other end of the USB cable to an available USB port on your computer (PC, Mac) or compatible device (iOS, Android).
- Die Tastatur wird in der Regel automatisch von Ihrem Betriebssystem erkannt.
3.2 Initial Audio Setup
- After connecting the keyboard, your operating system should detect a new audio device.
- Navigate to your system's sound settings (e.g., Windows Sound Settings, macOS System Settings > Sound).
- Select the FiiO KB3 as your primary audio output device.
- If using headphones, connect them to the appropriate 3.5mm or 4.4mm output jack on the side of the keyboard.
Image 3.1: The dual audio outputs (3.5mm and 4.4mm) on the side of the FiiO KB3, allowing connection to various headphones.
4. Bedienung
4.1 Grundlegende Tastaturfunktionen
The FiiO KB3 functions as a standard 75% mechanical keyboard. All keys are pre-programmed for typical keyboard input. Refer to your operating system's keyboard settings for any specific layout adjustments.
4.2 Audiowiedergabe und -steuerung
- Kopfhörer anschließen: Plug your 3.5mm or 4.4mm headphones into the corresponding jack on the left side of the keyboard.
- Lautstärkeregelung: Use the dedicated volume knob located on the right side of the keyboard to adjust the audio output level. This knob controls the system volume of the connected device.
- Mikrofoneingang: The 3.5mm TRRS jack supports microphone input, enabling voice communication for gaming or calls when using compatible headsets.
Image 4.1: The ergonomic volume knob for audio control and a view of the Gateron G Pro 3.0 yellow switch.
4.3 RGB-Beleuchtungsanpassung
The FiiO KB3 features customizable RGB backlighting. You can cycle through various preset lighting effects and colors using keyboard shortcuts. For advanced customization, including per-key lighting and macros, download and use the VIA software. Refer to the FiiO website for the latest VIA firmware and configuration files.
4.4 Hot-Swap-fähige Schalter
The keyboard's hot-swappable design allows you to change the Kailh Box 3.0 Pro Yellow switches without soldering. This enables users to experiment with different switch types to suit their preferences. Use a switch puller tool (not included) for safe removal and installation of switches.
5. Spezifikationen
| Besonderheit | Spezifikation |
|---|---|
| Modell | KB3 |
| Tastaturtyp | 75 % mechanische Tastatur |
| Schalter | Kailh Box 3.0 Pro Yellow (Hot-swappable) |
| Struktur | Multi-layer GASKET |
| Hintergrundbeleuchtung | RGB |
| Konnektivität | USB-C |
| Kompatible Geräte | PC, Mac, iOS, Android |
| DAC-Chips | Cirrus Logic CS43131 * 2 |
| Betriebs-Amp Chips | SGMICRO SGM8262 * 2 |
| Max Audio Decoding | PCM 384 kHz/32 Bit, DSD256 |
| Kopfhörerausgänge | 3.5mm (TRRS, microphone support), 4.4mm Balanced |
| Output Power (32Ω) | ≥170mW + 170mW (3.5mm), ≥550mW + 550mW (4.4mm) |
| Material | Aluminium-Magnesium-Legierung |
| Technische Daten | 12.6 x 5.51 x 1.69 Zoll (320 x 140 x 43 mm) |
| Artikelgewicht | 3.5 Pfund (1.59 kg) |
Image 5.1: The 2+2 chip combination (CS43131 DACs and SGM8262 op-amps) integrated into the FiiO KB3 for high-quality audio processing.
6. Fehlerbehebung
6.1 Keine Audioausgabe
- Verbindungen prüfen: Ensure the USB cable is securely connected to both the keyboard and your device. Verify headphones are fully plugged into the correct audio jack (3.5mm or 4.4mm).
- System-Audioeinstellungen: Confirm that "FiiO KB3" is selected as the default audio output device in your operating system's sound settings.
- Lautstärke: Adjust the volume knob on the keyboard and check your system's volume level.
- Treiber/Firmware: Ensure your operating system has the necessary drivers installed (usually automatic). If issues persist, check the FiiO website for any specific driver or firmware updates.
6.2 Tastatur reagiert nicht
- USB-Verbindung: Disconnect and reconnect the USB cable. Try a different USB port on your computer.
- Gerät neu starten: Starten Sie Ihren Computer oder das angeschlossene Gerät neu.
- Kabelintegrität: Test with a different USB-C cable if available, to rule out a faulty cable.
6.3 Probleme mit der RGB-Beleuchtung
- Tastaturkürzel: Use the built-in keyboard shortcuts to cycle through lighting modes and adjust brightness/color.
- VIA Software: If using VIA, ensure the software is correctly configured and the latest firmware is installed. Some specific color hues might require fine-tuning within the software.
7. Wartung
7.1 Reinigung
- Allgemeine Reinigung: Wischen Sie die Oberfläche der Tastatur mit einem weichen, trockenen Tuch ab. Verwenden Sie Druckluft, um Staub zwischen den Tastenkappen zu entfernen.
- Gründliche Reinigung: Keycaps can be carefully removed using a keycap puller (not included) for thorough cleaning. Clean keycaps with mild soap and water, ensuring they are completely dry before reattaching.
- Vermeiden Sie Flüssigkeiten: Do not spray cleaning solutions directly onto the keyboard. Avoid excessive moisture.
7.2 Austausch des Schalters
The FiiO KB3 features hot-swappable switches. To replace a switch:
- Entfernen Sie die Tastenkappe vorsichtig mit einem Tastenkappenabzieher.
- Use a switch puller to gently grasp the top and bottom clips of the switch and pull it straight up.
- Richten Sie die Pins des neuen Schalters an den Löchern auf der Platine aus und drücken Sie ihn fest nach unten, bis er einrastet. Achten Sie darauf, dass die Pins nicht verbogen sind.
- Bringen Sie die Tastenkappe wieder an.
Image 7.1: Internal structure of the FiiO KB3, illustrating the multi-layer gasket mount design for enhanced typing feel and sound.
8. Garantie und Support
For detailed warranty information, technical support, and the latest firmware updates, please visit the official FiiO website or contact FiiO customer service directly. Keep your purchase receipt for warranty claims.
FiiO Offiziell WebWebsite: www.fiio.com