Head to head · Prices checked Oct 30, 2026

DOIO KB04 01 vs Azio IZO Numpad

Get the DOIO KB04 01 for knob.

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Knob

from$49at WhatGeek

from$69at Azio

Quick verdict

Which one should you get?

Get the

DOIO KB04 01

Knob

Rules this board out

North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
Macropad only. This is not a full keyboard.

$49 at WhatGeek

Get the

Azio IZO Numpad

Build quality in the bottom 15% of Numpad boards under $100.

Rules this board out

Numpad only. This is not a full keyboard.

$69 at Azio

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.

DOIO KB04 01

Azio IZO Numpad

Layout size
Macropad
Numpad
Connection
Wired
Bluetooth, Wired
Wireless for several devices and wired for lower latency
Case material
Acrylic, Aluminum
Plastic
Switch options
Linear
Clicky, Linear
Knob
Yes
No

KeebFinder scores

How we score

DOIO KB04 01
Azio IZO Numpad

Performance: 70
59
Build quality: 82
48
Productivity: 86
59
Customizability: 92
54
Portability: 77
86

What they share

Hot-swappable

See every spec side by side

Full specs

DOIO KB04 01 vs Azio IZO Numpad specs

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

12 of 20 specs differ

Spec

DOIO KB04 01

Azio IZO Numpad

Typing & switches

Switch options

Linear

Clicky, Linear

Hot-swappable

Yes

Layout

Layout size

Macropad

Numpad

Layout standard

ANSI

Ergonomics

Standard

Knob

Yes

Display

None

Connectivity & battery

Connection

Wired

Bluetooth, Wired

Battery

Wired only

1,000 mAh

USB-C

Yes

Build & materials

Case material

Acrylic, Aluminum

Plastic

Keycaps

—

PBT

Weight

140 g

221 g

Dimensions

32 x 54 x 85 mm

42 x 150 x 92 mm

Backlight

RGB, south-facing

White

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2022

2021

Where to buy

Compare prices

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

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Lowest price across stores, Amazon excluded.

DOIO KB04 012 stores