Keychron K4 Max QMK Wireless Mechanical Keyboard (US ANSI Layout)

SKU: K4M-H1
€113,00

Type And Color
Version
Switch Type

Keychron K4 Max is a wireless custom mechanical keyboard. It supports 2.4 GHz, Bluetooth, and a wired connection. It allows anyone to master keys or macro commands on its 96% layout through the Keychron Launcher web app. Besides, it has included keycaps for Windows and macOS, and users can hot-swap with the Keychron Super mechanical switch in a breeze(hot-swappable version only).

No discount code can be used for the K4 Max.

Please drop your email on "Notify Me When Available" if the product model is out of stock.

Note:  This keyboard is English keyboard and ANSI layout.

Keychron

K4 Max

Keychron K4 Max QMK 96% layout Wireless Mechanical Keyboard

 The K4 Max is a wireless mechanical keyboard with a 96% layout. It supports 2.4 GHz, Bluetooth, and wired connections. Configurable through QMK and Keychron Launcher web app, it offers endless possibilities and enhanced productivity in your work and gaming!

Keychron K4 Max QMK 96% layout Wireless Mechanical Keyboard

The K4 Max upgraded the typing experience with multiple layers of acoustic foams, such as IXPE, PET, and EPDM, ensuring a superior sound and typing experience.

Features of Keychron K4 Max

2.4 GHz & Bluetooth Connection

Experience a peak gaming performance on the fly with the 2.4 GHz wireless connection boasting a rapid 1000 Hz polling rate. For seamless multitasking across your computer, phone, and tablet, you can effortlessly connect the K4 Max via Bluetooth 5.1 to three devices.

Keychron K4 Max QMK 96% layout Wireless Mechanical Keyboard

Ultra-Slim

The innovative low-profile Gateron switch is 31% slimmer than conventional normal profile switches makes the aluminum body K1 Max one of the thinnest wireless mechanical keyboards in the world. While still delivering a distinguished tactile response.

Keychron K1 Max QMK/VIA Wireless Custom Mechanical Keyboard
pfLauncher

Program with QMK & Launcher.

The open-source QMK firmware means endless possibilities for key remapping, macros, shortcuts, and more. Now you can easily customize each key with the Keychron Launcher web app.

Keychron K4 Max Launcher
Click here to use Keychron Launcher

*Please use the latest version of Chrome / Opera / Edge browser to open the Launcher and connect the keyboard to your device via wired mode.

Anytime, Anywhere Access

Keychron Launcher is a web page configurator that you can use in the office, school, lab, or government department—anywhere with internet access. Configure your keyboard online anytime without the need to download or install files. No hassle, no trouble.

Compatible with All Platforms

As a web-based tool, Keychron Launcher supports all operating systems. Personalize and program your keyboard on Windows, macOS, Linux, and more. Enjoy unprecedented flexibility with compatibility across Chrome, Edge, and Opera browser.

Safe Inputs

You type your password, contact, home address, and other sensitive privacy information on keyboards every day. Our keyboards use QMK open-source firmware, allowing the community to review the codes for safety and ensuring no hidden features, so you have complete control over your input security.

Always Up to Date

Keychron Launcher is continuously updated, ensuring you always have access to the lastest version. There's no need to download updates or wait for installations.

Significantly Enhanced Acoustic Foams

Elevate your typing with K4 Max featuring advanced IXPE acoustic foam for enhanced comfort, coupled with resilient EPDM foam for superior key switch support, responsiveness, and durability. The steel plate provides responsive feedback and a peaceful typing sound, while added weight will enhance the stability.

K4 Max structure
K4 Max structure

Suitable For All Devices

Built with the Mac users’ experience in mind while still retaining compatibility with Windows devices, the K4 Max comes with a system toggle and an additional set of customized keycaps for both Windows and macOS systems. You can now save two different layouts on the keyboard, one for each system.

Suitable For All Devices
An Epic Core Inside

An Epic Core Inside

A powerful ARM architecture MCU equipped with 256KB Flash will provide more flexibility for developers. The polling rate is 1000 Hz on 2.4GHz and wired modes right out of the box, which makes the latency hardly noticeable even in competitive games.

Hot-Swappable 

Every detail matters for a personalized typing experience, that’s why we give you the power. You can hot-swap every switch on the K4 Max with almost all of the 3pin and 5pin MX style mechanical switches on the market (including Cherry, Gateron, Kailh, Panda, etc.) without soldering. You can customize your own typing experience in seconds.

K4 Max Hot-Swappable

Keychron Super Switch

Our exclusive Keychron Super switch adopts a new mold with unparalleled precision. Every switch is tested for pro-grade quality and has a lifespan of up to 50 million clicks, providing great reliability and high performance for long typing sessions. Its new light affection structure on its transparent top housing also ensures high light transmittance and a more consistent, brighter backlight effect.

Keychron Super Switch

OSA Profile Double-shot PBT Keycaps

To further fine-tune your typing experience, the K4 Max comes with our unique OSA profile (OEM profile with spherical-angle) and double-shot PBT keycaps that aim to provide a more comfortable fingertip feel with excellent oil resistance for long-term use on the 96% layout.

Keychron K4 Max QMK 96% layout Wireless Mechanical Keyboard

Screw-In PCB Stabilizers

Even a small part matters for your fingertip feel. We’ve integrated the PCB-mounted screw-in stabilizers for a smoother typing experience with less wobbliness on the big keys such as space bar, shift, enter, and delete. The Keychron K4 Max also supports third-party screw-in PCB stabilizers.

Screw-In PCB Stabilizers

South-facing RGB Backlights

The south-facing RGB is designed to better illuminate the keyboard backlight from the typist’s angle. The south-facing RGB is also free from interference when the user installs Cherry-profile alternative keycaps on their keyboard.
 
Comes with more than 22 types of RGB backlight settings. You can further fine-tune the RGB hue, saturation, brightness, effect speed with ease.

Ergonomic Support

Ergonomic Support

Three levels of adjustable typing angle (3º, 7º & 10º) and curved OSA-profile keycaps are all working together to provide long-lasting ergonomic support for your wrist.

What's in the box?

Packing list for K4 Max
Differences Among the Low Profle K Max, K Pro, and K Series Keyboards

Frequently bought together

Select the matching variant for your product.

Keychron Q1 Q2 wooden palm rest
Keychron wooden palm rest for q3 keyboard
Keychron Q5 Keyboard Wooden Palm Rest
Keychron Q6 Wooden Palm Rest
Keychron K2 K6 K6 Pro Wooden Palm rest
keychron K3 K7 wooden palm rest
keychron k4 wooden palm rest
keychron K8 K8 Pro C1 wooden palm rest
keychron K12 Q4 wooden palm rest
keychron C2 K10 wooden palm rest
keychron k14 wooden palm rest
Keychron V1 keyboard wooden palm rest
Keychron Q7 Keyboard Palm Rest
Keychron Q8 Palm Rest
Keychron Q10 Wooden Palm Rest
Keychron Q11 wooden palm rest
Keychron Q12 Wooden Palm Rest
Keychron Wooden Palm Rest
Keychron Wooden Palm Rest
Keychron Q14 Pro Wooden Palm Rest
Keychron Q1 Q2 wooden palm rest
Keychron wooden palm rest for q3 keyboard
Keychron Q5 Keyboard Wooden Palm Rest
Keychron Q6 Wooden Palm Rest
Keychron K2 K6 K6 Pro Wooden Palm rest
keychron K3 K7 wooden palm rest
keychron k4 wooden palm rest
keychron K8 K8 Pro C1 wooden palm rest
keychron K12 Q4 wooden palm rest
keychron C2 K10 wooden palm rest
keychron k14 wooden palm rest
Keychron V1 keyboard wooden palm rest
Keychron Q7 Keyboard Palm Rest
Keychron Q8 Palm Rest
Keychron Q10 Wooden Palm Rest
Keychron Q11 wooden palm rest
Keychron Q12 Wooden Palm Rest
Keychron Wooden Palm Rest
Keychron Wooden Palm Rest
Keychron Q14 Pro Wooden Palm Rest

Keychron Wooden Palm Rest

ISO Low Profile Shine-Through ABS LSA Full Set Keycap Set
ISO Low Profile Shine-Through ABS LSA Full Set Keycap Set
ISO Low Profile Shine-Through ABS LSA Full Set Keycap Set
ISO Low Profile Shine-Through ABS LSA Full Set Keycap Set
ISO Low Profile Shine-Through ABS LSA Full Set Keycap Set
ISO Low Profile Shine-Through ABS LSA Full Set Keycap Set
ISO Low Profile Shine-Through ABS LSA Full Set Keycap Set
ISO Low Profile Shine-Through ABS LSA Full Set Keycap Set
ISO Low Profile Shine-Through ABS LSA Full Set Keycap Set
ISO Low Profile Shine-Through ABS LSA Full Set Keycap Set
ISO Low Profile Shine-Through ABS LSA Full Set Keycap Set
ISO Low Profile Shine-Through ABS LSA Full Set Keycap Set

ISO Low Profile Shine-Through ABS LSA Full Set Keycap Set

The Low Profile Keychron Optical switches are engineered to build an ultimate ultra-slim mechanical keyboard with its smooth and tactile typing experience. It's fully compatible with our K3 only.
The Low Profile Keychron Optical switches are engineered to build an ultimate ultra-slim mechanical keyboard with its smooth and tactile typing experience. It's fully compatible with our K3 only.
The Low Profile Keychron Optical switches are engineered to build an ultimate ultra-slim mechanical keyboard with its smooth and tactile typing experience. It's fully compatible with our K3 only.
The Low Profile Keychron Optical switches are engineered to build an ultimate ultra-slim mechanical keyboard with its smooth and tactile typing experience. It's fully compatible with our K3 only.
The Low Profile Keychron Optical switches are engineered to build an ultimate ultra-slim mechanical keyboard with its smooth and tactile typing experience. It's fully compatible with our K3 only.
The Low Profile Keychron Optical switches are engineered to build an ultimate ultra-slim mechanical keyboard with its smooth and tactile typing experience. It's fully compatible with our K3 only.
low-profile Keychron optical banana switch
low-profile Keychron optical mint switch
Low Profile Keychron Optical Switch Set - 87 Pcs
The Low Profile Keychron Optical switches are engineered to build an ultimate ultra-slim mechanical keyboard with its smooth and tactile typing experience. It's fully compatible with our K3 only.
The Low Profile Keychron Optical switches are engineered to build an ultimate ultra-slim mechanical keyboard with its smooth and tactile typing experience. It's fully compatible with our K3 only.
The Low Profile Keychron Optical switches are engineered to build an ultimate ultra-slim mechanical keyboard with its smooth and tactile typing experience. It's fully compatible with our K3 only.
The Low Profile Keychron Optical switches are engineered to build an ultimate ultra-slim mechanical keyboard with its smooth and tactile typing experience. It's fully compatible with our K3 only.
The Low Profile Keychron Optical switches are engineered to build an ultimate ultra-slim mechanical keyboard with its smooth and tactile typing experience. It's fully compatible with our K3 only.
The Low Profile Keychron Optical switches are engineered to build an ultimate ultra-slim mechanical keyboard with its smooth and tactile typing experience. It's fully compatible with our K3 only.
low-profile Keychron optical banana switch
low-profile Keychron optical mint switch
Low Profile Keychron Optical Switch Set - 87 Pcs

Low Profile Keychron Optical Switch Set - 87 Pcs

Keychron Q5 Pro Acoustic Upgrade Kit
Keychron Q5 Pro Acoustic Upgrade Kit
Keychron Q5 Pro Acoustic Upgrade Kit
Keychron Q5 Pro Acoustic Upgrade Kit

Keychron Q5 Pro Acoustic Upgrade Kit

Keychron Q1 & Q1 Pro Acoustic Upgrade Kit
Keychron Q1 & Q1 Pro Acoustic Upgrade Kit
Keychron Q1 & Q1 Pro Acoustic Upgrade Kit
Keychron Q1 & Q1 Pro Acoustic Upgrade Kit

Keychron Q1 & Q1 Pro Acoustic Upgrade Kit

Keychron M3 Mini Wireless Mouse - Metal Edition
Keychron M3 Mini Wireless Mouse - Metal Edition
Keychron M3 Mini Wireless Mouse - Metal Edition
Keychron M3 Mini Wireless Mouse - Metal Edition

Keychron M3 Mini Wireless Mouse - Metal Edition

Keychron M1 Wireless Mouse
Keychron M1 Wireless Mouse
Keychron M1 Wireless Mouse
Keychron M1 Wireless Mouse
Keychron M1 Wireless Mouse
Keychron M1 Wireless Mouse
Keychron M1 Wireless Mouse
Keychron M1 Wireless Mouse

Keychron M1 Wireless Mouse

Kailh Switch Tester
Kailh Switch Tester
Kailh Switch Tester
Kailh Switch Tester
Kailh Switch Tester
Kailh Switch Tester

Kailh Switch Tester

ISO Cherry Profile Dye-Sub PBT Full Set Keycap Set - Gray White Mint
ISO Cherry Profile Dye-Sub PBT Full Set Keycap Set - Gray White Mint
ISO Cherry Profile Dye-Sub PBT Full Set Keycap Set - Gray White Mint
ISO Cherry Profile Dye-Sub PBT Full Set Keycap Set - Gray White Mint
ISO Cherry Profile Dye-Sub PBT Full Set Keycap Set - Gray White Mint
ISO Cherry Profile Dye-Sub PBT Full Set Keycap Set - Gray White Mint
ISO Cherry Profile Dye-Sub PBT Full Set Keycap Set - Gray White Mint
ISO Cherry Profile Dye-Sub PBT Full Set Keycap Set - Gray White Mint
ISO Cherry Profile Dye-Sub PBT Full Set Keycap Set - Gray White Mint
ISO Cherry Profile Dye-Sub PBT Full Set Keycap Set - Gray White Mint
ISO Cherry Profile Dye-Sub PBT Full Set Keycap Set - Gray White Mint
ISO Cherry Profile Dye-Sub PBT Full Set Keycap Set - Gray White Mint

ISO Cherry Profile Dye-Sub PBT Full Set Keycap Set - Gray White Mint

Gateron Silent Switch
Gateron Silent Switch
Gateron Silent Switch
Gateron Silent Switch
Gateron Silent Switch
Gateron Silent Switch
Gateron Silent Switch
Gateron Silent Switch
Gateron Silent Switch
Gateron Silent Switch
Gateron Silent Switch
Gateron Silent Switch
Gateron Silent Switch
Gateron Silent Switch
Gateron Silent Switch
Gateron Silent Switch
Gateron Silent Switch
Gateron Silent Switch
Gateron Silent Switch
Gateron Silent Switch

Gateron Silent Switch

Gateron Phantom Switch
gateron phantom switches are designed to deliver a premium smooth and tactile typing experience.
Gateron Phantom Switch
gateron phantom switches are designed to deliver a premium smooth and tactile typing experience.
Gateron Phantom Switch
gateron phantom switches are designed to deliver a premium smooth and tactile typing experience.
Gateron Phantom Switch Yellow
gateron phantom switches are designed to deliver a premium smooth and tactile typing experience.
Gateron Phantom Switch
gateron phantom switches are designed to deliver a premium smooth and tactile typing experience.
Gateron Phantom Switch
gateron phantom switches are designed to deliver a premium smooth and tactile typing experience.
Gateron Phantom Switch
gateron phantom switches are designed to deliver a premium smooth and tactile typing experience.
Gateron Phantom Switch Yellow
gateron phantom switches are designed to deliver a premium smooth and tactile typing experience.

Gateron Phantom Switch

Gateron G Pro Switch Red
Gateron G Pro Switch Set
Gateron G Pro mechanical red switch
Gateron G Pro Switch Blue
Gateron G Pro Switch Set
Gateron G Pro mechanical blue switch
Gateron G Pro Switch Brown
Gateron G Pro Switch Set
Gateron G Pro Switch Set
Gateron G Pro Switch Yellow
Gateron G Pro Switch Set
Gateron G Pro mechanical yellow switch
Gateron G Pro Switch White
Gateron G Pro Switch Set
Gateron G Pro Switch Set
Gateron G Pro Switch Black Two Stage Spring
Gateron G Pro Switch Set
Gateron G Pro Switch Set
Gateron G Pro Switch Silver Two Stage Spring
Gateron G Pro Green Switch
Gateron G Pro Switch Set
Gateron G Pro Switch Set
Thumbnail Keychron Gateron Mechanical Switch
Gateron G Pro Switch Red
Gateron G Pro Switch Set
Gateron G Pro mechanical red switch
Gateron G Pro Switch Blue
Gateron G Pro Switch Set
Gateron G Pro mechanical blue switch
Gateron G Pro Switch Brown
Gateron G Pro Switch Set
Gateron G Pro Switch Set
Gateron G Pro Switch Yellow
Gateron G Pro Switch Set
Gateron G Pro mechanical yellow switch
Gateron G Pro Switch White
Gateron G Pro Switch Set
Gateron G Pro Switch Set
Gateron G Pro Switch Black Two Stage Spring
Gateron G Pro Switch Set
Gateron G Pro Switch Set
Gateron G Pro Switch Silver Two Stage Spring
Gateron G Pro Green Switch
Gateron G Pro Switch Set
Gateron G Pro Switch Set
Thumbnail Keychron Gateron Mechanical Switch

Gateron G Pro Switch Set

Gateron G Pro 3.0 Switch
Gateron G Pro 3.0 Switch
Gateron G Pro 3.0 Switch
Gateron G Pro 3.0 Switch
Gateron G Pro 3.0 Switch
Gateron G Pro 3.0 Switch
Gateron G Pro 3.0 Switch
Gateron G Pro 3.0 Switch
Gateron G Pro 3.0 Switch
Gateron G Pro 3.0 Switch
Gateron G Pro 3.0 Switch
Gateron G Pro 3.0 Switch

Gateron G Pro 3.0 Switch

Gateron Baby Kangaroo 2.0 Tactile Switch
Gateron Baby Kangaroo 2.0 Tactile Switch
Gateron Baby Kangaroo 2.0 Tactile Switch
Gateron Baby Kangaroo 2.0 Tactile Switch

Gateron Baby Kangaroo 2.0 Tactile Switch

Gateron Aliaz Silent Tactile Switch Set
Gateron Aliaz Silent Tactile Switch Set

Gateron Aliaz Silent Tactile Switch

Keychron Gold Plated PCB Mounted Screw In Stabilizer
Keychron Gold Plated PCB Mounted Screw In Stabilizer

Keychron Gold Plated PCB Mounted Stabilizer Set

SPECIFICATION

Number of Keys: 100 (96%)
Switches: Keychron Super Switch
Face: South-facing
Number of Multimedia Keys: 12
Frame Material: ABS
Keycap Material: Double-shot PBT
Keycap Profile: OSA (OEM profile with spherical-angle)
Layout: ANSI
Polling Rate (2.4GHz and Wired Mode): 1000Hz
Polling Rate (BT Mode): 125Hz
N-Key Rollover (NKRO): Yes for both wireless and wired modes

CONNECTIVITY AND POWER

Backlit: 22 types of RGB backlight options plus endless possibilities
Battery: 4000 mAh rechargeable li-polymer battery
Wireless Working Time (Backlit off): Around 190 hours (Lab test result may vary by actual use)
Wireless Working Time (RGB): Around 100 hours (Lowest brightness)
Connection: 2.4 GHz / Bluetooth / Type-C wired
Bluetooth version: 5.1
Bluetooth Device Name: Keychron K4 Max
Compatible System: macOS / Windows / Linux

PHYSICAL UNIT

Dimension: 391.29mm x 140.27mm (15.40 x 5.52")
Weight: 1290g / 2.84 lbs
Height without keycap (front): 23.83 mm (0.93")
Height without keycap (rear): 30.87 mm (1.21")
Height incl. keycap (front): 32.52 mm (1.28")
Height incl. keycap (rear): 40.68 mm (1.60")
Typing Angle: 3º, 7º and 10º
MCU: ARM Cortex-M4 32-bit STM32F402 (256KB Flash)
Operating Environment: -10 to 50℃

Keychron K4 Max User Guide

Learn more about the Keychron K4 Max such as the shortcuts, Launcher web app tutorial, factory reset, and more in the FAQ section.

Customer Reviews

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