Phonak's Invisity is the smallest in-ear RF receiver in the world. Super-comfortable and offering excellent sound quality, this popular invisible earpiece is perfectly suited to situations in which clear information is vital, and discretion and freedom of movement a necessity.
The Invisity 4 is just like the Flex, but features 4 programmable channels, again utilizing the 7 MHz range. The 4-channel Invisity comes bundled with the Invisity remote control, which allows the earpiece user to flick quickly between pre-set channels. Frequencies can be reprogrammed using the Invisity programming unit (IPU) and 4-channel users can also alter the Invisity's audio level and other settings.
*Invisity earpieces are ordered in the 214-220MHz range unless requested otherwise.