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Head to head · Prices checked Oct 21, 2026

Fiio KB3 vs zFrontier Soso pad Numpad

Get the zFrontier Soso pad Numpad for via and sound dampening.

What actually differs

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

zFrontier Soso pad Numpad

  • Connection

    Wired, Bluetooth

    Bluetooth, 2.4 GHz, Wired

  • Case material

    Metal, Plastic

    Aluminum

  • VIA

    No

    Yes

  • Sound dampening

    No

    Yes

  • Backlight

    RGB

    None

KeebFinder scores

How we score
  • Fiio KB3
  • zFrontier Soso pad Numpad
Performance
45
46
Build quality
52
77
Productivity
60
63
Customizability
76
53
Portability
87
82

What they share

  • Layout size: Numpad
  • Hot-swappable
  • Switch options: Linear, Tactile
  • Mount style: Gasket Mount
See every spec side by side

Full specs

Fiio KB3 vs zFrontier Soso pad Numpad specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

7 of 20 specs differ

Fiio KB3

zFrontier Soso pad Numpad

Typing & switches

Switch options

Linear, Tactile
Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

Numpad
Numpad

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

Wired, Bluetooth
Bluetooth, 2.4 GHz, Wired

Battery

—
700 mAh

USB-C

Yes
Yes

Build & materials

Case material

Metal, Plastic
Aluminum

Plate material

—
FR4

Weight

1,060 g
—

Dimensions

44 x 329 x 140 mm
—

Typing angle

—
7°

Backlight

RGB
None

Firmware & software

VIA

No
Yes

Mac & Windows

Yes
No

Extras

Released

2023
2026

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Lowest price across stores, Amazon excluded.

Fiio KB33 stores
  • MechkeysCN

    In stock
    $154Visit
  • AmazonGlobal

    Check price
    ~$154Visit
  • AposUS

    Out of stock
    $70Visit
  • zFrontierHK

    In stock
    $64Visit
  • AmazonGlobal

    Check price
    ~$64Visit

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

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