+33 (0) 9 81 24 00 06 contact@opus-technologies.fr



The ST-DUO2 is a wireless communication system for people with hearing loss. It offers high fidelity listening quality. This audio transmission device provides clear and precise communication in complicated listening environments such as an amphitheaters, meeting rooms or during a family meals for example.

The system is compatible with hearing aids and cochlear implants but also offers a qualitative solution for people who are not paired. The nomad kit can be easily transported.

Combined with one or more OP-10R receivers, the OP-10T transmitter forms a mobile wireless system for speech transmission, perfect for situations like guided tours or speeches in multiple languages.

For wireless transmission, 16 channels in frequency range between  863-865 MHz are available, of which 3 can be used simultaneously at most without interfering with each other. The range of transmission depends on the configutation of the places of use and can be up to 60m.

UHF PLL frequencies 863-865 MHz
channels 16 selectable
Signal-to-noise ratio >105dB
THD <0,6% @ 1KHz
Audio input 20kΩ
Nominal input level -20dBV
Max input level 0dBV
Input/Output connector Jack 3,5mm
Display LED
Audio output level -12dB
Output impedance 600Ω
Squelch Driven by tone and noise
Power supply 12-18 VDC
Consumption 350mA
Dimensions 25 x 26 x 25 cm
Weight 1,3kg

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ZI Lagrange II, 9 Chemin de la vieille Ferme,
33650, Martillac, FRANCE
(+33) 09 81 24 00 06