Showmaster LE

All-in-one show controller

  • Designed for museums, showrooms, stores and attractions
  • Can be used as a subsystem in larger shows and attractions
  • Can generate 3 HTML touch panels

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  • Overview
  • Specifications
  • Downloads & Support


Showmaster LE is an all-in-one embedded show controller fitted with interfaces for show protocols like DMX, MIDI, Serial, and digital I/O. Control and synchronize your dimmers, lighting desks, video projectors, video servers, sound processors, etc.

Its free editing software, Showmaster Editor, offers the features and flexibility of the award-winning Medialon Manager show control programming environment, such as timeline synchronization, logical programming, as well as real-time testing.

Work directly from one timeline for synchronized show programming or use an easy drag-and-drop interface for building up to 3 custom HTML touch screen (WebPanel) interfaces. Showmaster LE supports third party networked Serial, I/O, Infrared, MIDI, and DMX interfaces.


Product Specifications

Power connection

1 × 12 V DC power connector. Power adapter has IEC connection and is rated for 100-240 V AC.


2 × 10/100/1000 base-T

Serial ports

2 × RS-232 DB9 male serial ports

Digital input

4 × terminal block digital input connectors (dry contact, max. impedance 10 kΩ)

Digital output

4 × terminal block relay connectors (24 V 1 A max.)

DMX output

1 × DMX output (5-pin female XLR)

MIDI input

1 × MIDI input DIN5 female

MIDI output

1 × MIDI output DIN5 female


1U rack 476 (W) × 44.5 (H) × 260 (D) mm (18.75” × 1.75” × 10.25”)


10 kg (23 lbs.)

Technical specifications are subject to change without prior notice.

Downloads & Support

Drivers, Manuals & Users Guides

Technical Specification Sheet

  • Version: C524-1
  • Release date: July 5, 2019
  • Language: English

Showmaster Editor + Firmware Download

  • Version: 2.7.2
  • Release date: March 16, 2020
  • Language: English

Medialon Control System User Guide

  • Version: M515-1
  • Release date: May 2, 2019
  • Language: English