2.3 MHz / 2.8 MHz. Frequency Response 50 Hz – 16,000 Hz. Key Specifications.
Sennheiser EKI 830 IR Bodypack Stereo Receiver for Hearing Aids 2.3/2.8 MHz
vhbw 3x Battery compatible with Sennheiser EKI 830, IS 410, RI 410, HDI 830, IS 410TV Wireless Headset Headphones (140 mAh, 3.7 V, Li-polymer)
vhbw 2x Battery compatible with Sennheiser EKI 830, IS 410, RI 410, HDI 830, IS 410TV Wireless Headset Headphones (140 mAh, 3.7 V, Li-polymer)
vhbw 2x Battery compatible with Sennheiser Set 830 TV, Set 830, Set 830 S, Set 833 TV Wireless Headset Headphones (140 mAh, 3.7 V, Li-polymer)
vhbw 3x Battery compatible with Sennheiser Set 830, Set 830 S, Set 833 TV, RS 4200 TV Wireless Headset Headphones (140 mAh, 3.7 V, Li-polymer)
Sennheiser Set 830 S Cordless TV Listening System Infrared Receiver
