• Country
• Germany

• Manufacturer / Brand
• Sennheiser Electronic (Labor W); Wennebostel

• Year
• 1994

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 161289

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - Is a Headphone or Earphone

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Kopfhörer HD440 II - Sennheiser Electronic Labor W;

• Shape
• Miscellaneous shapes - described under notes.

• Notes
• HD440 II, Stereo-Kopfhörer, 20 Hz - 20.000 Hz, 60 Ohm.

• Net weight (2.2 lb = 1 kg)
• 0.130 kg / 0 lb 4.6 oz (0.286 lb)

• Source of data
• -- Original prospect or advert

• Author
• Model page created by Karlheinz Fischer. See "Data change" for further contributors.

• Other Models

• Here you find 295 models, 280 with images and 135 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sennheiser Electronic (Labor W); Wennebostel