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Head to head · Prices checked Nov 7, 2026

Double shell DoubleShell DS84i vs zFrontier Soso pad Numpad

Get the Double shell DoubleShell DS84i for knob. Get the zFrontier Soso pad Numpad for via and sound dampening.

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Quick verdict

Which one should you get?

Get the

Double shell DoubleShell DS84i

Knob

Build quality in the bottom 5% of 75% boards under $100.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • No numpad.
$99 at Mechkeys

Get the

zFrontier Soso pad Numpad

VIA

Build quality in the top 25% of Numpad boards under $100.

Rules this board out

  • Numpad only. This is not a full keyboard.
$64 at zFrontier

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.

Double shell DoubleShell DS84i

zFrontier Soso pad Numpad

  • Layout size

    75%

    Numpad

  • Low profile

    Yes

    No

  • Knob

    Yes

    No

  • VIA

    No

    Yes

    GUI remapping without compiling firmware

  • Sound dampening

    No

    Yes

KeebFinder scores

How we score
  • Double shell DoubleShell DS84i
  • zFrontier Soso pad Numpad
Performance
62
46
Build quality
40
77
Productivity
58
62
Customizability
59
53
Portability
74
82

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Switch options: Linear, Tactile
See every spec side by side

Full specs

Double shell DoubleShell DS84i vs zFrontier Soso pad Numpad specs

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

8 of 23 specs differ

Double shell DoubleShell DS84i

zFrontier Soso pad Numpad

Typing & switches

Switch options

Linear, Tactile
Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Low profile

Yes
No

Sound dampening

No
Yes

Layout

Layout size

75%
Numpad

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Battery

—
700 mAh

USB-C

Yes
Yes

Build & materials

Case material

—
Aluminum

Plate material

—
FR4

Keycaps

PBT
—

Weight

798 g
—

Dimensions

25 x 153 x 314 mm
—

Typing angle

—
7°

Backlight

RGB
None

Firmware & software

VIA

No
Yes

N-key rollover

Yes
No

Extras

Released

2023
2026

Where to buy

Compare prices

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

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.

Double shell DoubleShell DS84i2 stores
zFrontier Soso pad Numpad2 stores

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