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Head to head · Prices checked Nov 7, 2026

AULA HERO84 HE vs Keydous NJ81

Get the AULA HERO84 HE for hall effect and rapid trigger. Get the Keydous NJ81 for hot-swappable.

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Quick verdict

Which one should you get?

Get the

AULA HERO84 HE

Hall effect

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

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.
  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

Get the

Keydous NJ81

Hot-swappable

Build quality in the bottom 25% of 75% boards under $100.

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 HERO84 HE

Keydous NJ81

  • Hall effect (magnetic)

    Yes

    No

    Adjustable actuation helps in games and not in normal typing

  • Rapid trigger

    Yes

    No

    Faster resets help in games and not in normal typing

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Case material

    Metal

    Plastic

KeebFinder scores

How we score
  • AULA HERO84 HE
  • Keydous NJ81
Performance
92
48
Build quality
38
55
Productivity
70
65
Customizability
48
78
Portability
60
80

What they share

  • Layout size: 75%
  • Keycaps: PBT
See every spec side by side

Full specs

AULA HERO84 HE vs Keydous NJ81 specs

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

12 of 23 specs differ

AULA HERO84 HE

Keydous NJ81

Typing & switches

Switch options

Linear, Magnetic
Clicky, Linear

Hall effect (magnetic)

Yes
No

Rapid trigger

Yes
No

Hot-swappable

No
Yes

Mount style

—
Gasket Mount

Sound dampening

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
Yes

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

8,000 Hz
—

Battery

Wired only
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Metal
Plastic

Plate material

Aluminum
Brass, Steel

Keycaps

PBT
PBT

Weight

—
970 g

Dimensions

—
36 x 134 x 315 mm

Backlight

RGB, south-facing
RGB

Firmware & software

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2025
2022

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.

Keydous NJ812 stores

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