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Compare KBDFans YDKB Boomerang vs Agar Differences Side by Side

This comparison is for enthusiasts trying to decide between two very different 60% kits from KBDFans. The Boomerang is a heavy, wired-only aluminum Alice board with a copper weight bar and a unique gasket mount system. The Agar is a lighter, wireless-capable board built for the HHKB layout, offering both plate and gasket mount options. The decision is hard because your choice hinges on layout preference and whether wireless connectivity matters more to you than the distinctive typing experience of an Alice board.

69
Boomerang
86
KBDFans Agar - 60% MX and EC Keyboard Kit

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0.0 (0)
5.0 (8)
  • Built with the ANSI, ISO layout standard
  • Offers Alice ergonomics
  • Supports Wired, Wired only connectivity
  • Weighs about 2900 g
  • Made with a Aluminum case
  • Offers No RGB lighting
  • Built with the ANSI layout standard
  • Offers Split Backspace ergonomics
  • Supports VIAL configuration
  • Includes screw-in stabilizers
  • Has built-in sound dampening
  • Supports Bluetooth, Wired, Wireless, Wired only, connectivity
  • Runs at a 1000 Hz polling rate
  • Weighs about 1300 g
  • Sized at 33 x 297 x 123 mm
  • Made with a Polycarbonate, Aluminum case
  • Offers Yes, Rgb RGB lighting
Scores
  • Performance: 51.9
  • Build Quality: 72.4
  • Productivity: 64.6
  • Customizability: 68.9
  • Portability: 73.5
Scores
  • Performance: 64.2
  • Build Quality: 88.4
  • Productivity: 81.4
  • Customizability: 88.7
  • Portability: 84.2
Name
KBDFans YDKB Boomerang
Name
KBDFans Agar
Release year
2025
Release year
2025
Switch Options
-
Switch Options
-
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
60%
Layout Size
60%
Layout Standard
ANSI, ISO
Layout Standard
ANSI
Layout Ergonomics
Alice
Layout Ergonomics
Split Backspace
Knob Support
 
Knob Support
 
Display Support
 
Display Support
 
Mac/Win Support
 
Mac/Win Support
 
Multi-Media Keys
 
Multi-Media Keys
 
USB-C
 
USB-C
 
USB passthrough
 
USB passthrough
 
Connection
Wired, Wired only
Connection
Bluetooth, Wired, Wireless, Wired only,
Polling Rate
-
Polling Rate
1000 Hz
Battery capacity
-
Battery capacity
-
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
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Backlight
 
Rgb
Case Colors
Case Colors
Case Material
Aluminum
Case Material
Polycarbonate, Aluminum
Keycaps Material
-
Keycaps Material
-
Dimensions
-
Dimensions
33 x 297 x 123 mm
Weight
2900g
Weight
1300g
*Something incorrect or missing? Please
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Pros and Trade-offs

If you prioritize a unique typing experience with an Alice layout and a premium, heavy build, the KBDFans Boomerang is the more compelling choice. However, for most users seeking a practical and versatile daily driver, the KBDFans Agar offers superior value with its wireless capability, lighter weight, and programmer-friendly HHKB layout. The Agar is easier to recommend for general use, while the Boomerang is for the layout-obsessed collector.

KBDFans YDKB Boomerang

  • +Unique Alice layout with split spacebar and ANSI/ISO support.
  • +Premium aluminum case with a heavy 1.9kg copper weight bar.
  • +O-ring gasket mount provides a distinct typing feel.
  • +Includes a carrying case and bottom-out prevention foam.
  • +Available with multiple plate material choices (polycarbonate, aluminum, carbon fiber).

  • Wired-only connectivity limits desk setup options.
  • Very heavy at approximately 2.9kg, making it difficult to move.
  • Group buy model with limited availability and higher price relative to the Agar.
  • No RGB lighting for those who want illuminated keys.

KBDFans Agar

  • +Offers both Bluetooth wireless and USB-C wired connectivity.
  • +Significantly lighter at 1300g and more compact than the Boomerang.
  • +Supports HHKB layout, described as ideal for programming.
  • +Includes sound dampening foam, screw-in stabilizers, and a variety of case color options (aluminum and polycarbonate).
  • +VIA and VIAL support for deeper firmware customization.

  • Not a true Alice layout, may not satisfy ergonomic layout seekers.
  • Heavier than some other travel keyboards despite being lighter than the Boomerang.
  • Barebones kit does not include switches, keycaps, or stabilizers.
  • Some case color options may be sold out depending on the vendor.

Which Keyboard Is Better for Your Needs?

The Agar wins in most use cases due to its wireless connectivity, lighter weight, and better feature set for gaming and programming at a lower price point. The Boomerang's heavier construction makes it less suitable for travel. Both boards tie for modding potential, as each offers a distinct mounting system and plenty of customization options. For content creators and office workers, the Agar's RGB and wireless capabilities provide clear advantages.

GamingKBDFans Agar
  • The Agar has a confirmed 1000 Hz polling rate for responsive inputs.
  • Its 9 degree typing angle can be more comfortable for gaming sessions.
  • The lighter weight (1300g) makes it easier to reposition during fast games.
OfficeKBDFans Agar
  • Bluetooth wireless connectivity allows for a cleaner, cable-free desk.
  • RGB underglow adds a touch of customization to a workspace.
  • Sound dampening foam included in the kit helps reduce noise in shared spaces.
ProgrammingKBDFans Agar
  • The HHKB layout is described as 'perfect for programmers' by the MK vendor listing.
  • VIA support allows for easy remapping of keys to suit coding workflows.
  • Split backspace and stepped Caps Lock support for additional layout flexibility.
TravelKBDFans Agar
  • At 1300g, the Agar is significantly lighter than the 2900g Boomerang.
  • Its smaller dimensions (33 x 297 x 123 mm) make it easier to pack.
  • Bluetooth support means no cable is needed during use.
ModdingTie
  • Both keyboards are hot-swappable and support VIA for firmware customization.
  • Each offers a unique mounting system: gasket mount with O-rings on the Boomerang, and a silicone block mount on the Agar.
  • The Boomerang comes with a bottom-out prevention foam and multiple plate material options, while the Agar includes a full foam kit and screw-in stabilizers.
Content CreationKBDFans Agar
  • Wireless capability keeps the desk tidy for video or stream setups.
  • RGB underglow adds aesthetic appeal, especially visible through polycarbonate cases.
  • The cooperative typing feel of the silicone block mount can reduce typing fatigue during long editing sessions.

Frequently Asked Questions (FAQ)


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