GML 20 Professional

Construction site radio redefined: 360° protection. 360° Sound.


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Technical data

The most important data

Radio frequency range AM 531 – 1,602 kHz
Radio frequency range FM 87.5 – 108 MHz
Output voltage(s), battery 14.4 – 18 V
Station presets 30
Input voltage(s), mains 230 V
Output voltage(s), mains 230 V
Rated power of amplifier (in mains operation) 20 W
Packaging dimensions (width x length x height) 395 x 395 x 405 mm
Weight incl. battery 9.4 kg


Construction site radio redefined: 360° protection. 360° Sound.

  • Extremely robust due to all-round protection: fully functional, even after falling 3 m, thanks to spring-mounted aluminium frame and dust and splash protection
  • Unbeatable all-round sound for radio and MP3 playback due to powerful 20 watts, integrated subwoofer and 4 speakers
  • Variable connection options (USB, SD, 2x Aux-In, Aux-Out) for music playback, and 12 V DC power socket


No self-discharge, no memory effect and a higher energy density thanks to Li-Ion battery technology
Voltage 14.4/18 Volt
Audio interface auxiliary input
Radio frequency AM/FM

Prices / Package contents

GML 20

Order number: 0 601 429 640

Selected version

Price includes:

  • No batteries included

* Battery and charger not included