The FiiO KB3 Wireless Mechanical Keyboard (Black) is an innovative HiFi mechanical keyboard that seamlessly integrates high-fidelity audio and professional-grade typing into one sleek device. Designed for music lovers, gamers, and creators, the KB3 allows you to enjoy lossless HiFi sound while working, gaming, or typing—eliminating desktop clutter and combining two essential tools into one streamlined setup.
Internally, the KB3 features a built-in high-fidelity DAC and headphone amplifier system capable of decoding audio up to 32bit/384kHz PCM and DSD256. With dual DAC chips and powerful output performance, it can easily drive most mainstream HiFi headphones. Conveniently placed 3.5mm single-ended (TRRS with mic support) and 4.4mm balanced outputs provide versatile connectivity for both immersive music listening and real-time in-game communication.
Built with a premium aluminum-magnesium alloy top cover, the KB3 is sturdy and durable while maintaining a refined aesthetic. Its multi-layer GASKET internal structure—composed of over 10 layers—minimizes vibration and cavity noise for a smoother, more satisfying typing feel. Equipped with an 81-key layout and Kailh Box 3.0 Pro Yellow low-profile switches, it delivers a smooth, linear keystroke that enhances productivity and enjoyment. Whether you’re editing videos, gaming, or seeking creative inspiration, the KB3 offers an immersive audio and tactile experience in one powerful device.
| Brand | FiiO |
| Model | KB3 (Black) |
| Layout | 81-key layout |
| Switch Type | Kailh Box 3.0 Pro Yellow (Low-profile, linear) |
| DAC Chips | Cirrus Logic CS43131 ×2 |
| Op-Amp Chip | SGMICRO SGM8262 ×2 |
| Audio Support | PCM up to 384kHz/32bit; DSD256 |
| Output Power (32Ω) | ≥170mW+170mW (THD+N<1%, USB IN1); ≥550mW+550mW (THD+N<1%, USB INN) |
| Headphone Outputs | 3.5mm single-ended (TRRS with mic support); 4.4mm balanced |
| Construction | Aluminum-magnesium alloy top cover; multi-layer GASKET internal structure |
| Warranty Terms | NO WARRANTY |
HiFi sound and precision typing — perfectly combined in one powerful keyboard.
| Brand | |
|---|---|
| Form Factor | Compact (60–75%) |
| Connectivity | Wired |
| Layout | QWERTY |