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*The price for Rental Items is for one day, please email (info@soundonseteurope.com) or call us (910 852 404) for rental inquiries.

invisity ear prompter

The invisity ear prompter by Phonak is the smallest in-ear RF receiver in the world and the perfect choice for presenters and performers who require crystal clear audio prompts.

invisity is completely wireless, sits invisibly inside the ear canal, and weighs just 1.5g. It offers total freedom of movement and is ergonomically designed for day-long wearer comfort.

Today invisity is used and trusted by broadcasters and filmmakers worldwide.

Two versions are available:

invisity 4-channel

4 channels (7 MHz range). Supplied with invisity remote control (pictured left) for discrete channel flicking. Additional adjustable parameters.

invisity flex

1 channel (7 MHz range), programmable via the optional invisity programming unit (IPU) or through a Phonak dealer.

A closer look at invisity's technical specifications.

Frequency	fixed or programmable (single or multi), 7MHz band
Frequency response	200 Hz - 4500 Hz
Audio signal output	94 dBSPL measured in a 1.3 cc ear simulator (Volume 1 default setting), 102 dBSPL measured in a 1.3 cc ear simulator (Volume 2 default setting), or adjustable on 4-channel model
Noise filter	squelch
Sensitivity	SINAD >17 dB @ E=3mV/m
Channel selectivity	>50 dB (at 200 kHz channel spacing)
Antenna	magnetic, integral
Spurious emissions	below -57 dBm ERP
Distortion	>5% (depends on volume setting)
Dimensions	19 x 12 x 12mm (0.74" x 0.47" x 0.47")
Weight	1.5 g (inc. battery)
Battery life	13 h (constant reception) using Phonak battery
Power consumption	3.3 mA
SNR (signal over noise ratio)	approx. 41dB in the AGC @ 1 kHz