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Head to head · Prices checked Nov 11, 2026

AULA EA75 Max vs Machenike K500F B81

Get the AULA EA75 Max for knob.

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Quick verdict

Which one should you get?

Get the

AULA EA75 Max

Knob

Build quality in the top 45% of 75% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

Get the

Machenike K500F B81

Build quality in the bottom 40% of 75% boards under $100.

Rules this board out

  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.

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.

AULA EA75 Max

Machenike K500F B81

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired

    Wireless for several devices and wired for lower latency

  • Case material

    ABS

    Plastic

  • Switch options

    Linear, Silent

    Linear, Tactile

  • Knob

    Yes

    No

  • Display

    TFT

    None

    A case display rather than a typing feature

KeebFinder scores

How we score
  • AULA EA75 Max
  • Machenike K500F B81
Performance
78
76
Build quality
68
58
Productivity
82
67
Customizability
73
62
Portability
79
65

What they share

  • Layout size: 75%
  • Hot-swappable
  • Mount style: Gasket Mount
See every spec side by side

Full specs

AULA EA75 Max vs Machenike K500F B81 specs

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

9 of 23 specs differ

AULA EA75 Max

Machenike K500F B81

Typing & switches

Switch options

Linear, Silent
Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

TFT
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Wired

Max polling rate

1,000 Hz
—

Battery

5,000 mAh
Wired only

USB-C

Yes
Yes

Build & materials

Case material

ABS
Plastic

Plate material

Polycarbonate
—

Keycaps

PBT
ABS, PBT

Weight

958.5 g
—

Dimensions

43 x 333 x 147 mm
—

Typing angle

5°
—

Backlight

RGB, south-facing
RGB, north-facing

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2026
2023

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.

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