Cosmic Byte Phantom TKL Gasket Mechanical Keyboard CB-GK-42
Refined Acoustics and Gasket Mount: Traditionally, budget mechanical keyboards suffer from a hollow, metallic “ping” when typing. The Phantom TKL solves this by utilizing a gasket-mounted structure. Instead of screwing the plate directly into the hard plastic case, the plate is suspended between layers of flexible material. Combined with a layer of sound-absorbing foam and an EVA switch pad inside the chassis, this design absorbs keystroke vibrations, resulting in a much softer bottom-out feel and a deeper, quieter sound profile.
Hot-Swappable, Pre-Lubed Switches: The keyboard comes out of the box with Outemu Red mechanical switches. These are linear switches (meaning no tactile bump or click) that have been factory-lubed for a buttery-smooth keypress with minimal scratchiness. The PCB is fully hot-swappable, meaning you can easily pull out the switches and push in new ones using the included tool-no soldering required. This allows you to completely change the feel of your keyboard down the line if you want to experiment with different switch types.
Dedicated Media Controls and RGB: Despite its compact tenkeyless (TKL) footprint, which saves valuable desk space for wider mouse sweeps, the Phantom retains practical conveniences. It features a dedicated volume roller and a mute button in the top right corner for instant audio adjustments mid-game. Visually, the board features bright, per-key customizable RGB lighting, an RGB underglow light strip on the front edge, and double-shot keycaps to ensure the illuminated legends never fade or wear off.
Key Features
- Gasket-Mounted Plate: Flexes slightly as you type and eliminates harsh vibrations for a premium feel.
- Acoustic Dampening: Internal EVA foam layers significantly reduce case ping and hollow sounds.
- Pre-Lubed Outemu Red Switches: Smooth, linear keystrokes perfect for rapid gaming inputs.
- Hot-Swappable PCB: Change your mechanical switches easily without a soldering iron.
- Dedicated Volume Roller: Adjust your system volume or mute audio instantly on the fly.
- Double-Shot Keycaps: Highly durable keycaps that prevent the backlit letters from scratching off.
Specifications of Cosmic Byte Phantom TKL Gasket Mechanical Keyboard CB-GK-42
| Feature | Specification |
| Model | Cosmic Byte Phantom TKL (CB-GK-42) |
| Layout | Tenkeyless (TKL) / ~82 Keys |
| Switches | Outemu Red (Linear, Pre-Lubed) |
| Hot-Swappable | Yes (Compatible with 3-pin switches) |
| Mounting Style | Gasket Mount |
| Lighting | Per-Key RGB + Front Underglow |
| Keycaps | Double-shot injection moulded |
| Polling Rate | 1000 Hz (1ms response) |
| Connection | Wired (Detachable USB Type-C) |
| Anti-Ghosting | 100% All-Key Anti-Ghosting |
Who It’s For
- Budget-Conscious Enthusiasts: Anyone looking to get into the custom mechanical keyboard hobby; the hot-swap PCB and gasket mount make it an incredible canvas for future modding.
- Competitive Gamers: The compact TKL size frees up desk space for your mouse, while the 1000Hz polling rate and linear red switches ensure zero input lag.
- Shared Room Gamers: The combination of linear switches, factory lubrication, and internal foam makes this significantly quieter than standard budget mechanical keyboards.
Frequently Asked Questions
- Can I connect this keyboard wirelessly via Bluetooth? No. The CB-GK-42 model is strictly a wired keyboard that connects via a detachable USB-C cable. Cosmic Byte does sell a more expensive “Tri-Mode” version of the Phantom if you require Bluetooth and 2.4GHz wireless connectivity.
- Can I put Cherry MX or Gateron switches in this board? You need to be careful with compatibility. Outemu hot-swap sockets (which this board uses) have slightly narrower pin holes than standard Kailh sockets. While you can easily swap in other Outemu or Akko switches, standard switches from Cherry or Gateron might have pins that are too thick to fit without slightly filing them down.
- Does it have software to control the RGB and macros? Yes. You can download the dedicated software from Cosmic Byte’s website to remap keys, record custom macros, and create your own specific RGB lighting profiles beyond the built-in hardware presets.







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