Scale-Bar is a videobar that boasts pro audio quality and is optimally suited for use in conference and meeting rooms. All components and settings have been developed to achieve the highest quality media sound and speech intelligibility. Even when video conferencing, the person on the other end always sounds pleasant and natural – almost as if the person was in the room. This makes every meeting a success and ensures that you are well understood. The integrated Fohhn Sub Extensions also ensure powerful bass reproduction for music and film, without requiring an additional subwoofer. If required, we can customize the enclosure length, so it fits your screen perfectly.
With Scale-Bar Cam we provide a version where a conference camera (e.g. Huddly cam) can be incorporated in the enclosure. If you want to use an external camera, you get the Scale-Bar with a closed front grille.
To operate the videobar you will need the MA-4.100 system amplifier, which ensures optimal sound with the corresponding speaker presets as well as safe operation. And thanks to the integrated Fohhn DSP technology, the sound can be perfectly adapted to the room if necessary.

Main features

  • 2 × 4" woofer / 2 × 0.75" tweeter/ 2 × Fohhn Sub Extension
  • Power rating nominal: 2 × 50 W
  • SPL max.: 107 dB
  • Frequency range: 44 Hz – 20 kHz
  • Clear sound with full bass and optimal speech intelligibility
  • Special colours available (RAL Classic, NCS, Pantone, Fohhn Texture Design)
  • Flexible mounting thanks to continuous T-slot at rear
  • Mounting accessories available
  • Different camera models applicable
  • Attention: The loudspeaker can be operated with Fohhn system amplifiers and the correct speaker preset only.


Fohhn technologies

Technical data

Electroacoustic features

power rating (nominal)
2 × 50 W
power rating (program)
2 × 100 W
power rating (peak)
2 × 200 W
2 × 4" woofer / 2 × 0.75" tweeter/ 2 × Fohhn Sub Extension
maximum SPL
107 dB
frequency range
44 Hz - 20 kHz
nominal impedance
2 × 4 ohms


front design
metal grille in enclosure colour
protection grille
steel grille, ball impact resistant, powder-coated
standard colours
black or white, powder-coated
mounting points
continuous T-slot at rear
Phoenix connector
dimensions (W × H × D)
1220 mm (up to 2202 mm) × 133 mm × 128 mm

Optional features

optional colours
RAL Classic / NCS / Pantone on request, Fohhn Texture Design

power rating (nominal/program): according to IEC-60268-5 (long term/short term)
power rating (peak); maximum SPL: peak, 20 ms with bandpass filtered pink noise signal according to IEC 60268-2 at one octave above the lower limit of the frequency range
sensitivity: 2,83 V at 8 ohms (2 V at 4 ohms, 4 V at 16 ohms) at a distance of 1 m under anechoic fullspace conditions
frequency range: -10 dB under anechoic halfspace-conditions
weight: net weight without optional equipment
Intelligent Protection Circuit (IPC): voltage-controlled semiconductor circuit protecting the HF-driver against overload highly effective and with very short attack time
cut-off frequency: -10 dB under anechoic halfspace-conditions with speaker preset
heat dissipation: pink noise, 6 dB crest, 1/4 Pmax

Suitable for:

Contact us

+49 7022 93323-0

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