Keychron K4 HE Magnetic Switch Keyboard: Unboxing, Features, and Sound Test

Unboxing the Keychron K4 HE

• 📦 The Keychron K4 HE comes with a USB-C cable, keycap puller, switch remover, extra keycaps for Mac layout, a 2.4 GHz dongle, and a Type-A to Type-C adapter.
• 🛠️ Also included are a screwdriver and an Allen key, suggesting a focus on user customization and maintenance.

Keychron K4 HE Specifications and Features

• 🧲 This is a 96% wireless keyboard featuring magnetic hall effect switches (Nubia Linear Geedron) designed for longevity and precision.
• 🎮 Magnetic switches may offer advantages in certain games if the software supports it, though this was not tested.
• 💻 It offers dual compatibility for Windows and macOS, with a web configurator for customization without needing to download software.
• ⚡ A 1000Hz polling rate ensures snappy performance, and it can pair with up to three devices via Bluetooth.
• 🔌 The keyboard can be used wired, wirelessly while charging, or via its 2.4 GHz dongle.
• ✨ It boasts 22+ RGB lighting effects and screw-in stabilizers for improved build quality.

Design and Build Quality

• 🏗️ The keyboard features an aluminum body on the sides, with a plastic bottom, and internal dampening foam for sound.
• ⌨️ The switches and stabilizers are lubed for a smoother feel and sound.
• 🌈 It has a unique, off-color escape key and comes with a black alternative for a full black design.
• 🌟 The keycaps are double-shot, ensuring the legends will not wear off.

Layout and Connectivity

• 🎯 The 96% layout includes function keys and a number keypad, with a slightly adjusted arrangement saving space.
• ⚠️ A potential quirk is the up arrow key being positioned close to the shift key, which might lead to accidental presses.
• 🖱️ Connectivity options include wired, Bluetooth, and 2.4 GHz wireless via the included dongle.
• ⬆️ The bottom features rubber pads and a two-level kickstand with rubberized surfaces for stability.

Sound Test and Observations

• 🔊 A sound test was performed, noting that the acoustics can be affected by the surface the keyboard is placed on and the use of a desk mat.
• ⚠️ An issue with scratchy sounds on the F8 and F9 keys was discovered, later identified as plastic shavings inside the keyboard, which were removed to resolve the problem.
• 👍 After removing the debris, the keyboard's sound profile was deemed acceptable.