• Country
• Germany

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

• Year
• 2004 ?

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 294989

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Is a battery or storage battery / AAA: 4 x 1,5 or 4 x 1,2 Volt

• Loudspeaker
• 2 Loudspeakers

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Stereo Wireless Headphones HDR 110 - Sennheiser Electronic Labor W;

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes

• Wave Bands: 863-865 or 926-927 MHz / 3 band.

  Frequency response: 22-19500 Hz.

• Net weight (2.2 lb = 1 kg)
• 0.180 kg / 0 lb 6.3 oz (0.396 lb)

• Mentioned in
• -- Original prospect or advert

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 292 models, 277 with images and 133 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sennheiser Electronic (Labor W); Wennebostel