Наушники Sennheiser HDI 380 Stereo

The HDI 380 is a pair of infra-red hi-fi stereo headphones for use with the IS 380 infra-red headphone system. The headphones use the carrier frequencies 2.3 and 2.8 MHz and are powered by an environmentally friendly BA 151 rechargeable accupack. The volume is conveniently adjusted on the headphones.
Hi-fi stereo headphones with integrated infra-red wideband receiver (carrier frequencies 2.3 and 2.8 MHz)
Headphones with convenient volume and balance controls
Environmentally friendly operation with BA 151 rechargeable accupack