Sennheiser - HDI - SI 405 Headphone
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Sennheiser HDI/SI 405 wireless infrared headset set from 1980 in excellent cosmetic condition and tested working, including original box, SI 405 infrared transmitter, power adapter and flight case.
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Description from the seller
Sennheiser HDI/SI 405 Wireless Infrared Headset Set – Complete in Original Box
Original vintage Sennheiser HDI/SI 405 wireless infrared headphone system, offered complete with the SI 405 infrared transmitter, power adapter, and original retail box. A quality German-made audio system from one of the most respected names in professional sound.
Features:
* Complete set
* Original box included
* HDI 405 wireless infrared headset
* SI 405 infrared transmitter
* Power adapter included
* Made in Germany
A desirable piece for collectors, vintage audio enthusiasts, and fans of classic Sennheiser equipment. Presented in good cosmetic condition, exactly as shown in the photographs.
A rare opportunity to acquire a complete, boxed Sennheiser infrared listening system—an excellent example of late 20th-century wireless audio technology.
Sennheiser HDI/SI 405 Wireless Infrared Headset Set – Complete in Original Box
Original vintage Sennheiser HDI/SI 405 wireless infrared headphone system, offered complete with the SI 405 infrared transmitter, power adapter, and original retail box. A quality German-made audio system from one of the most respected names in professional sound.
Features:
* Complete set
* Original box included
* HDI 405 wireless infrared headset
* SI 405 infrared transmitter
* Power adapter included
* Made in Germany
A desirable piece for collectors, vintage audio enthusiasts, and fans of classic Sennheiser equipment. Presented in good cosmetic condition, exactly as shown in the photographs.
A rare opportunity to acquire a complete, boxed Sennheiser infrared listening system—an excellent example of late 20th-century wireless audio technology.
Details
Era
1900-2000
Brand
Sennheiser
Model
HDI - SI 405
Multiple models
No
Physical condition
Excellent
Number of objects
1
Includes
+ Extra item (see description), Box, Flight Case, Power Adapter
Year of manufacturing
1980
Weight
1.5 kg
Functional condition
Tested and working/playable
Height
6 cm
Width
40 cm
Depth
30 cm
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