Fiio KB3 vs MelGeek O2
Get the Fiio KB3 for hot-swappable. Get the MelGeek O2 for sound dampening.
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from$154at Mechkeys
from$109at MelGeek
90-day lowLowest price in 90 days
Which one should you get?
Get the
Fiio KB3
Hot-swappable
Build quality in the bottom 25% of Numpad boards under $200.
Get the
MelGeek O2
Sound dampening
Build quality in the top 50% of Numpad boards under $150.
- Switches are soldered. Swapping them means soldering.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
The differences that matter
Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.
Fiio KB3
MelGeek O2
Connection
Wired, Bluetooth
Bluetooth, 2.4 GHz, Wired
Wireless for several devices and wired for lower latency
Hot-swappable
Yes
No
Switch changes without soldering
Case material
Metal, Plastic
ABS, Aluminum, Polycarbonate
Weight
1,060 g
650 g
Heavier boards stay planted and lighter ones travel
Sound dampening
No
Yes
- Fiio KB3
- MelGeek O2
- Performance
- 4554
- Build quality
- 5165
- Productivity
- 6053
- Customizability
- 7650
- Portability
- 8882
- Layout size: Numpad
- Mount style: Gasket Mount
Fiio KB3 vs MelGeek O2 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
9 of 21 specs differ
Fiio KB3
MelGeek O2
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Display
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
Mac & Windows
Released
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