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TBS25

TBS25

The TBS25 test box can measure hearing aid function down to sound levels of 35 dB SPL and can be combined with fitting equipment from Interacoustics.
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Two TBS25 hearing aid test boxes

Dedicated test box

TBS25 outperforms larger test boxes by 25-40 dB at low frequencies. The test box provides a perfect environment for hearing instrument testing (HIT) down to input levels of 35 dB SPL. Combine TBS25 with hearing aid fitting solutions from Interacoustics.

Built-in loop for telecoil testing
Valid testing of hearing instrument performance
Plugs for microphones, battery drain meters and external telecoil
ANSI and IEC compliable HIT measurements
Speaker in the same vertical plane as the hearing aid
TBS25 approximates free field conditions above 500 Hz and has its speaker in the same vertical plane as inserted hearing aids.
This facilitates testing of directional microphones.

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