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Compare AULA EA75 Max vs Royal Kludge RK89 Differences Side by Side

This comparison is for buyers deciding between two similarly priced wireless mechanical keyboards with different priorities. The Epomaker EA75 Max offers a modern, feature-rich 75% layout with a screen and superior acoustic tuning. The Royal Kludge RK89 provides a unique 89-key layout that includes a numpad in a compact form, plus practical USB ports. The decision hinges on whether you value a multimedia knob, display, and sound quality, or need a numpad and connectivity hub.

-10% off
76
EPOMAKER x AULA EA75 Max
RK89 85% Wireless Mechanical Keyboard

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4.9 (11)
0.0 (0)
  • Released in 2026
  • Has Linear, Silent switch options
  • Available in a 75% layout
  • Comes with a knob
  • Includes a Yes, TFT display
  • Features N-key rollover
  • Has built-in sound dampening
  • Uses a Gasket Mount mounting style
  • Runs at a 1000 Hz polling rate
  • Equipped with a 5000 mAh battery
  • Weighs about 958.5 g
  • Sized at 43 x 333 x 147 mm
  • Made with a ABS case
  • Features PBT keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
  • Released in 2022
  • Has Clicky, Tactile, Linear switch options
  • Available in a 80% layout
  • Includes a No display
  • Offers a USB passthrough port
  • Equipped with a 1850 mAh battery
  • Weighs about 1000 g
  • Sized at 41 x 135 x 41 mm
  • Features ABS keycaps
  • Offers Yes, Rgb RGB lighting
Scores
  • Performance: 78.1
  • Build Quality: 68.5
  • Productivity: 82.7
  • Customizability: 72.8
  • Portability: 79.7
Scores
  • Performance: 63
  • Build Quality: 48.1
  • Productivity: 67.2
  • Customizability: 62.8
  • Portability: 71.6
Name
AULA EA75 Max
Name
Royal Kludge RK89
Release year
2026
Release year
2022
Switch Options
Linear, Silent
Switch Options
Clicky, Tactile, Linear
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
80%
Layout Standard
ANSI
Layout Standard
ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Display Support
 
TFT
Display Support
 
Mac/Win Support
 
Mac/Win Support
 
Multi-Media Keys
 
Multi-Media Keys
 
USB-C
 
USB-C
 
USB passthrough
 
USB passthrough
 
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
-
Battery capacity
5000 mAh
Battery capacity
1850 mAh
Hall Effect Support
 
Hall Effect Support
 
QMK Support
 
QMK Support
 
VIA Support
 
VIA Support
 
VIAL Support
 
VIAL Support
 
N-Key Rollover
 
N-Key Rollover
 
Rapid Trigger
 
Rapid Trigger
 
Mount Style
Gasket Mount
Mount Style
-
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, South-face
Backlight
 
Rgb
Case Colors
Case Colors
Case Material
ABS
Case Material
-
Keycaps Material
PBT
Keycaps Material
ABS
Dimensions
43 x 333 x 147 mm
Dimensions
41 x 135 x 41 mm
Weight
958.5g
Weight
1000g
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Pros and Trade-offs

For most users, the Epomaker EA75 Max delivers better overall value with its superior feature set, build quality, and battery life. Its screen, knob, and tuned typing experience justify its similar price point. Only choose the Royal Kludge RK89 if your workflow is heavily dependent on a numpad and you would actively use the USB passthrough ports on a daily basis.

AULA EA75 Max

  • +Includes a customizable TFT screen and a multifunction control knob.
  • +Features a gasket-mount structure with five layers of sound dampening foam and silicone.
  • +Uses double-shot PBT keycaps and south-facing per-key RGB lighting.
  • +Larger 5000mAh battery for extended wireless use.
  • +Offers a silent linear switch option (Cotton Candy) for quiet environments.
  • −Does not include a numpad, which some users require.
  • −Lacks USB passthrough ports for connecting other devices.
  • −The software is noted in a user review as being difficult to find.

Royal Kludge RK89

  • +Unique 89-key layout incorporates a numpad into a compact 80% form factor.
  • +Includes two USB 2.0 passthrough ports for peripheral connectivity.
  • +Features a detachable frame, which may aid in cleaning and maintenance.
  • +Vendor description mentions factory-lubed stabilizers to reduce key wobble.
  • −Uses ABS double-shot keycaps, which may develop shine over time faster than PBT.
  • −Smaller 1850mAh battery will require more frequent charging.
  • −Lacks a screen, knob, and detailed acoustic tuning features present on the EA75 Max.

Which Keyboard Is Better for Your Needs?

The Epomaker EA75 Max wins in more categories, particularly where premium build, sound quality, and modern features like its screen and knob are valued. It is the stronger choice for gaming, programming, travel, modding, and content creation. The Royal Kludge RK89 finds its niche in office and data-entry scenarios where its integrated numpad and USB passthrough ports provide tangible, practical advantages that the more compact EA75 Max cannot match.

GamingAULA EA75 Max
  • •The EA75 Max has a specified 1000Hz polling rate in wired and 2.4GHz modes, while the RK89's rate is not stated.
  • •The EA75 Max includes N-Key Rollover for anti-ghosting, a feature not explicitly listed for the RK89.
  • •Its gasket mount and five-layer dampening (Sandwich Pad, IXPE Switch Pad, PET pad, Bottom Foam, Silicone) may provide a more consistent, stable typing feel.
OfficeRoyal Kludge RK89
  • •The RK89's 89-key layout includes a numpad, which is essential for data entry and accounting tasks.
  • •It features two built-in USB 2.0 passthrough ports, allowing easy connection of peripherals like a mouse or flash drive.
  • •The RK89's vendor description mentions a detachable frame, which could simplify cleaning.
ProgrammingAULA EA75 Max
  • •The EA75 Max's 75% layout retains arrow keys and function row while saving desk space.
  • •It uses double-shot PBT keycaps which are more resistant to shine and wear compared to the RK89's ABS keycaps.
  • •The included software allows for key remapping and macro creation, which can streamline coding workflows.
TravelAULA EA75 Max
  • •The EA75 Max has a significantly larger 5000mAh battery compared to the RK89's 1850mAh, promising longer wireless use.
  • •It is slightly lighter at 958.5g versus the RK89's 1000g.
  • •Its 75% layout is more compact than the RK89's 80% layout with numpad, taking up less bag space.
ModdingAULA EA75 Max
  • •The EA75 Max features a gasket mount structure with a polycarbonate plate and five specific sound-dampening layers, offering a more sophisticated starting point for mods.
  • •It uses south-facing RGB LEDs, which are compatible with a wider range of aftermarket keycaps without interference.
  • •Its hot-swap socket supports both 3-pin and 5-pin switches, providing broader compatibility.
Content CreationAULA EA75 Max
  • •The EA75 Max includes a multifunction knob that can control volume and RGB settings, useful for audio/video editing.
  • •Its TFT screen can display time, battery status, and custom GIFs, offering at-a-glance information and personalization.
  • •The silent linear switch option (Cotton Candy) can be beneficial for recording audio without keyboard noise.

Frequently Asked Questions (FAQ)

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