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X-keys® XK-4 Stick
X-keys XK-4

X-keys XK-24 XK-4 Front XK-4 end XK-4 side box contents

Videos:

Four dedicated keys with addressable backlighting in a compact, low profile footprint. Also available in and versions.

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Features

  • Four relegendable keys
  • Addressable blue backlighting for each key
  • USB connection to computer or tablet

Perfect for adding a few control keys to a tight space. The XK-4 offers four programmable keys to trigger macros, shortcuts, and applications, select tools or open files or directories. The low profile, slim footprint fits nicely on a podium or under a monitor. The XK-4 provides a versatile control strip for any computer driven application.
X-keys XK-4 Stick Transparent Key
Operating System
 Use: Any OS via USB HID | Programming: Windows XP through 10, Mac OS X 10.4 through 10.10
Free Programming Software
 Windows:
Mac:
Free Software Development Kits
 (C++, C#, VB.NET)
(C++)
(Java)
(any language/OS)
Emulation Modes
 HID keyboard, HID mouse, HID game controller
Switch Types
 Low profile tactile, guaranteed for over 1 million operations
Number of Keys
 16, 8, or 4 single keys, 1 programming slide switch
Actuation Force
 Approx. 6 oz (170g) break-over, approx. 2 oz (57g) hold, audible click
Keycaps
 0.625” (16mm) sq.; relegendable with window for backlight and square stem
Key Spacing
 0.75" O.C.
Backlighting
 1 blue addressable LED under each key
Connector
 Wired USB 2.0 standard “A” plug
Cord Length
 54” (1.3 m)
Dimensions and Weight
 XK-16: 14.25” x 0.9”” x 0.65", (362 mm x 23 mm x 17 mm), 7 oz. (200 g)
XK-8: 8.2” x 0.9”” x 0.65", (208 mm x 23 mm x 17 mm), 4 oz (115 g)
XK-4: 5.35” x 0.9”” x 0.65", (136 mm x 23 mm x 17 mm) 3 oz (85 g)
USB type
 USB 1.1 compatible through 3.0
Power Source
 USB port, nominal voltage = 5 VDC
Power Consumption
 XK-16: no backlighting: 21mA, backlighting at full intensity: 32mA
XK-8: no backlighting: 19mA, backlighting at full intensity: 28mA
XK-4: no backlighting: 19mA, backlighting at full intensity: 26mA
Temperature Range
 -20 to 60 C
Memory Capacity
 Approximately 1,000 keystrokes or commands in onboard memory
Memory Type
 EEPROM, non volatile memory (X-keys retains memory for over 200 years)
Environmental Rating
 IP 40, typical indoor office environment
Certifications
 FCC class B, CE, RoHS, WEEE compliant
X-keys XK-24 Dimensioned Drawing

Sketchup 3D Model

We offer this Sketchup model as a 3D rendering of the XK-4 for viewing or planning purposes. Dimensions and details of the model, while reasonably accurate, should not be used for critical specifications.

Download a free copy of Sketchup or Sketchup Viewer here:

    MacroWorks 3.1 for Windows (free download)

  • Launch programs, insert Unicode, open files and directories, select tools and more
  • Can write macros to X-keys memory for Hardware Mode macro programming
  • Control backlighting globally or for individual keys
  • Create custom scripting with Visual Basic (Software Mode only)
  • Compatible with Windows 10, 8, 7, and Vista (32 or 64 bit) and Windows XP (32 bit only)
  • Free technical support via email or phone
  • More info...

    ControllerMate for Mac OS X (free download)

  • Launch programs, insert Unicode, open files and directories, select tools and more
  • Control backlighting globally or for individual keys
  • Create macros or execute Applescript with drag and drop building blocks
  • Compatible with Mac OS X 10.10, 10.9, 10.8, 10.7 and 10.6 (64 bit)
  • Free support via OrderedBytes Forum
  • More info...

    P.I. Engineering SDK (free download)

  • Microsoft Visual Studio code examples in C# 2008 Express, C++ 2005, and VB.NET 2008 Express
  • Read all key and control states
  • Control all backlighting and indicator LEDs
  • Free technical support via email or phone
  • Linux SDK provides a cross platform solution for Linux, Windows, and Mac also available

    Android Software

  • For X-keys Android devices
  • Read all key and control states
  • Java based
  • Sets backlighting levels and states
  • Free technical support via email or phone
  • More info...

Keycaps

Special keycaps for our X-keys Sticks

Key Legends

Blank legend sheets and custom printed legends

USB Extender

Extend your X-keys up to 150 feet via CAT 5 or equivalent network cable

Keycaps for X-keys

Resources for Software Developers

P. I. Engineering offers a wide range of options for application developers.  Click on any heading to learn more.  If you don’t see what you’re looking for here, please contact us ([email protected]).  We have friendly techs and engineers waiting to help you integrate X-keys into your solution.

X-keys Integration

See how to integrate your X-keys with the Hardware Mode, Software Mode with MacroWorks Software, or the Software Mode with a Custom Application.

Windows SDK

Includes comprehensive examples in C#, C++, and VB.NET for Windows desktop development in Visual Studio, as well as Java for Android development in Eclipse. Supported via phone and email during standard business hours by our technical support staff.

Linux SDK

Open source Linux support written in C++. Features code for accessing all X-keys controls and key states and includes a simple, straight forward example GUI. Written by Linux HID expert Alan Ott.

Android Samples

Assorted Eclipse projects we have created to demonstrate how to handle various input options (such as joystick and game controller button data) on Android.

HID Data Reports

Learn how to read the X-keys’ raw output and use it to integrate X-keys into your application in any language, on any HID-enabled platform.  

Case Studies

See how other developers have implemented X-keys for fun and profit. 

Programs

Real World Applications