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