X-keys XKE-40 Rack Mount

X-keys XKE-40 Rack Mount

X-keys USB GPIO ( General Purpose Input Output)

X-keys USB GPIO ( General Purpose Input Output)

X-keys XK-16 FN Stick

Add F1 through F24 to any keyboard, monitor, or work station with this low-profile backlighted key stick.

In stock
  • Buy 10 for $104.95 each and save 5%

XK-16 Stick


Programmed with all F keys on two layers.

  • Key 1-12 Green Layer: F1-F12
  • Key 1-12 Red Layer: F13-F24
  • Key 13-15: Available for macros or shortcuts
  • Key 16: Layer Switch
  • Dimmable blue backlighting
  • Optional rack mount kit

The XK-16 FN Stick sends F1 through F24 as a USB keyboard and comes preprogrammed and labeled for plug-and-play installation. No additional software or drivers are required. The blank keys may be programmed with keystrokes, mouse functions, or even backlighting control with our free programming software (X-keys Basic Setup). Programming is stored in the X-keys on-board memory.

The low profile, slim footprint fits nicely under a display monitor, above a keyboard, or on a laptop computer. The XK-16 provides a versatile control strip for any computer driven application.

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: MacroWorks 3.1
Mac: ControllerMate for X-keys
Free Software Development Kits Windows (C++, C#, VB.NET
Linux (C++)
Android (Java)
Raw HID (any language/OS)
Emulation Modes HID keyboard, HID mouse, HID game controller, HID multimedia
Switch Types Low profile tactile switch with audible click, guaranteed for 100,000 operations
Number of Keys 16 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 3.0 standard “A” plug
Cord Length 118” (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)
USB Type USB 1.1 compatible through 3.0 Type-c with adapter
Power Source USB port, nominal voltage = 5 VDC
Power Consumption XK-16: no backlighting: 21mA, backlighting at full intensity: 32mA
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

XK-16 Stick Spec Sheet PDF

FCC class B Certification

CE Certification

RoHS Letter of Certification

XK-16 Stick

Download PDF: XK-16 Stick DD.pdf

Sketchup 3D Model

We offer this Sketchup model as a 3D rendering of the XK-16 for viewing or planning purposes. Dimensions and details of the model, while reasonably accurate, should not be used for critical specifications.

View or download this model in Sketchup 3D Warehouse.

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...

USB Extender

USB Extender

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


XK-16 Rack Mount Kit

Easy to assemble and integrate with standard 19" rack cabinet dimensions.

XK-16 Stick and Rack Mount Kit Bundle

Bundle your X-keys XK-16 Stick with a mounting kit

Rack Mount Kit Manual.pdf

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 (tech@xkeys.com). We have friendly techs and engineers waiting to help you integrate X-keys into your solution.

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.


An Xcode worspace with two project: one for the viewer application, and one for the X-keys framework. Demonstrates reading and writing to X-keys devices.

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.</p

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.

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.

Case Studies

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