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K 64 WP - 50 Ohm

Art. No. 2919

6.4 cm (2.5") full-range speaker with a plastic basket and plastic diaphragm. Broad frequency response and good voice reproduction. Particularly well suited to outdoor applications and where ambient conditions are generally unfavourable (e.g. high humidity).

*) IP protection class for front side when built into a sealed enclosure

Typical applications

  • Monitoring speaker for electronic devices
  • Monitoring speaker for outdoor systems


  • weather-resistant
  • UV-resistant
  • Plastic: ABS (basket; UL 94:HB); Mylar (diapraghm)
  • Cold storage (-40 °C) according to EN 60068-2-1/EN 50155
  • Functionally at damp heat (cyclic) according to EN 60068-2-3/EN 50155
  • Functionally at dry heat according to EN 60068-2-2/EN 50155
*Gross price for private customers. Industrial prices are available on request.
Technical Data
Amplitude & Impedance Frequency
Directivity pattern
Rated power 2 W
Maximum power 3 W
Nominal impedance Z 50 Ohm
Frequency response 200–15000 Hz
Mean sound pressure level 86 dB (1 W/1 m)
Opening angle (-6 dB) 109°/4000 Hz
Excursion limit +/−1 mm
Resonance frequency fs 300 Hz
Magnetic induction 0.7 T
Magnetic flux 45 µWb
Height of front pole-plate 2 mm
Voice coil diameter 10 mm
Height of winding 2.5 mm
Cutout diameter 60 mm
Net weight 0.05 kg
Connections 2.8 x 0.5 mm (+)/2.8 x 0.5 mm (-)
Protective system IP 65 *)
Temperature range −40 ... 80 °C

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