The RI 150L includes Induction Loop RX
The RI 150 is an extremely lightweight wideband stethoset receiver which uses the
carrier frequency 2.3 MHz, thus offering excellent transmission reliability.
It features
an easy-to-operate on/off/volume control and is powered by the environmentally
friendly BA 151 rechargeable NiMH accupack delivered with the receiver. The audiology
variant RI 250 is fitted with an additional, recessed balance control. The RI 250 J
is fitted with a 3.5 mm jack output socket.