The KB3 uses two high-performance and efficient CS43131 DACs as well as two low-noise SGM8262 op-amps, capable of providing 550mW of output power, comparable to desktop amps. Enjoy high-quality sound with any headphones.
It is equipped with 3.5 mm single-ended and 4.4 mm balanced headphone jacks, allowing you to connect it to a variety of headphones.
- In gasket mount design, multiple layers help to greatly absorb shocks and reduce noise.
- Gateron G Pro 3.0 yellow switches, perfect for both productivity and gaming
- Aluminum-magnesium alloy case attracts you with extraordinary texture
- Mac/Win dual OS support
- All editions come with a step-less volume knob
https://www.androidbrick.com/fiio-kb3-hifi-mechanical-keyboard/
KB3 has the KA13 dongle DAC inside which costs $79 alone. So for the Hifi keyboard, $149 is pretty good, I think.