The FiiO KB3 HiFi Mechanical Keyboard (Black) is a unique hybrid device that combines high-performance mechanical key switches with advanced HiFi audio capabilities. Featuring dual Cirrus Logic CS43131 DACs and SGM8262 op-amps, it supports 32-bit/384kHz PCM and DSD256 audio playback with both 3.5mm single-ended and 4.4mm balanced headphone outputs. The KB3 offers smooth Gateron G Pro 3.0 Yellow linear switches, per-key RGB backlighting, and a 75% 81-key layout, making it perfect for work, gaming, and audio enthusiasts.
| Model / Part Number | KB3 |
| DAC | Dual Cirrus Logic CS43131 |
| Op-Amps | Dual SGM8262 |
| Audio Decoding | 32-bit/384kHz PCM, DSD256 |
| Output Power | 3.5mm SE: ≥170mW, 4.4mm Balanced: ≥550mW |
| Switch Type | Gateron G Pro 3.0 Yellow (Linear) |
| Layout | 75% (81 keys) |
| Connectivity | USB Type-C |
| Headphone Outputs | 3.5mm Single-Ended, 4.4mm Balanced |
| Lighting | Per-key RGB |
| Dimensions | 329 × 140 × 43.5 mm |
| Weight | ~1060 g (wired version) |
| Operating Systems | Windows, macOS, Android, iOS |
| Warranty Terms: | 1-Year Warranty Provided by 101 Multimedia |
| Brand | |
|---|---|
| Form Factor | Compact (60–75%) |
| Operating System | iOS, macOS, Windows |
| Connectivity | Wired – 3.5 mm Audio Jack |
| Layout | QWERTY |