1. Úvod
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. Konec produktuview
2.1 Klíčové vlastnosti
- Integrated HiFi Audio: Features dual high-performance DAC chips (CS43131*2) and op-amp chips (SGM8262*2) for professional-grade lossless audio decoding and ampzvedání.
- Podpora zvuku ve vysokém rozlišení: Supports audio decoding up to 32Bit/384kHz and DSD256.
- Powerful Headphone Output: Provides up to 550mW output, capable of driving most headphones.
- Dva výstupy pro sluchátka: 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.
- Přepínače vyměnitelné za provozu: Allows for easy replacement and customization of switches.
- RGB podsvícení: Customizable RGB lighting with multiple preset dynamic lighting effects.
- Odolná konstrukce: High-quality aluminum-magnesium alloy keyboard cover.
- Široká kompatibilita: Supports PC, Mac, iOS, and Android devices.
- VIA Firmware Support: Enables advanced customization of key functions and RGB lighting.

Obrázek 2.1: Konecview of the FiiO KB3's primary features, highlighting its mechanical and audio capabilities.
2.2 Obsah balení
Ověřte, zda jsou v balení přítomny všechny položky:
- FiiO KB3 HiFi Mechanical Music Keyboard
- USB Cable (for connectivity and power)
3. Nastavení
3.1 Připojení klávesnice
- Locate the USB-C port on the FiiO KB3 keyboard.
- Připojte jeden konec dodaného USB kabelu k portu USB-C na klávesnici.
- Connect the other end of the USB cable to an available USB port on your computer (PC, Mac) or compatible device (iOS, Android).
- The keyboard will typically be recognized automatically by your operating system.
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. Provoz
4.1 Základní funkce klávesnice
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 Přehrávání a ovládání zvuku
- Připojení sluchátek: Plug your 3.5mm or 4.4mm headphones into the corresponding jack on the left side of the keyboard.
- Ovládání hlasitosti: 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.
- Vstup pro mikrofon: 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 Přizpůsobení RGB osvětlení
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 Přepínače vyměnitelné za provozu
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. Specifikace
| Funkce | Specifikace |
|---|---|
| Model | KB3 |
| Typ klávesnice | 75% mechanická klávesnice |
| Spínače | Kailh Box 3.0 Pro Yellow (Hot-swappable) |
| Struktura | Multi-layer GASKET |
| Podsvícení | RGB |
| Konektivita | USB-C |
| Kompatibilní zařízení | PC, Mac, iOS, Android |
| DAC čipy | Cirrus Logic CS43131 * 2 |
| op-Amp Chipsy | SGMICRO SGM8262 * 2 |
| Max Audio Decoding | PCM 384 kHz/32 bitů, DSD256 |
| Sluchátkové výstupy | 3.5mm (TRRS, microphone support), 4.4mm Balanced |
| Výstupní výkon (32Ω) | ≥170mW + 170mW (3.5mm), ≥550mW + 550mW (4.4mm) |
| Materiál | Aluminum-Magnesium Alloy |
| Rozměry produktu | 12.6 x 5.51 x 1.69 palce (320 x 140 x 43 mm) |
| Hmotnost položky | 3.5 libry (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. Řešení problémů
6.1 Žádný zvukový výstup
- Zkontrolujte připojení: 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).
- Nastavení zvuku systému: Confirm that "FiiO KB3" is selected as the default audio output device in your operating system's sound settings.
- Úroveň hlasitosti: Adjust the volume knob on the keyboard and check your system's volume level.
- Ovladač/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 Klávesnice nereaguje
- USB připojení: Disconnect and reconnect the USB cable. Try a different USB port on your computer.
- Restartovat zařízení: Restart your computer or connected device.
- Integrita kabelu: Test with a different USB-C cable if available, to rule out a faulty cable.
6.3 Problémy s RGB osvětlením
- Klávesové zkratky: Use the built-in keyboard shortcuts to cycle through lighting modes and adjust brightness/color.
- Software VIA: 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. Údržba
7.1 Čištění
- Generální úklid: K otření povrchu klávesnice použijte měkký, suchý hadřík. Pro prach mezi klávesami použijte stlačený vzduch.
- Hloubkové čištění: 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.
- Vyhněte se tekutinám: Do not spray cleaning solutions directly onto the keyboard. Avoid excessive moisture.
7.2 Výměna spínače
The FiiO KB3 features hot-swappable switches. To replace a switch:
- Opatrně sejměte krytku kláves pomocí stahováku na krytky kláves.
- Use a switch puller to gently grasp the top and bottom clips of the switch and pull it straight up.
- Zarovnejte piny nového spínače s otvory na desce plošných spojů a pevně jej zatlačte dolů, dokud nezacvakne. Ujistěte se, že piny nejsou ohnuté.
- Znovu nasaďte krytku kláves.
Image 7.1: Internal structure of the FiiO KB3, illustrating the multi-layer gasket mount design for enhanced typing feel and sound.
8. Záruka a podpora
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.
Oficiální FiiO Webmísto: www.fiio.com