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DK 121 - 100 V

Art. No. 50232

Built-in horn speaker with 100 V transformer. Waterproof design. Housing made of black lacquered aluminium, horns made of polypropylene (PP). High IP protection class (IP 67), high sound pressure and good voice reproduction. Ideal for inconspicuous installation due to the very compact dimensions. The potential equalisation connection is by means of an M6 grubscrew on the rear of the housing (maximum fastening torque 2 Nm). The connection is via a four-core flexible cable (0.5 m). Connection: black ? white: 6,0 W white ? yellow: 3,0 W yellow ? blue: 1,5 W black ? yellow: 1,0 W white ? blue: 0,5 W black ? blue: 0,3 W

Typical applications

  • Outdoor PA at railway-vehicles
  • PA systems in factory halls, railway stations etc.
  • Use in alarm/alert systems


  • Weather-proof plastic cabinet
  • Plastic-insert-cabinet
  • UV-resistant
*Gross price for private customers. Industrial prices are available on request.
Technical Data
Amplitude & Impedance Frequency
Directivity pattern
Frequency response 570–4400 Hz
Mean sound pressure level 100 dB (1 W/1 m)
Opening angle (-6 dB) 69°/4000 Hz
Voice coil diameter 40 mm
Net weight 0.78 kg
Transformer matching 6/3/1.5/1/0.5/0.3 W
Sound pressure level 104 dB (1 W/1 m) @ 2900 Hz
Max. sound pressure level 107 dB (6 W/1 m)
Length of cable 0.5 m
Protective system IP 66 / 67IP 67
Temperature range –25 ... 70 °C

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