TBS25 outperform larger chambers by between 25dB and 40dB at low frequencies. The noise rejection of the TBS25 will allow measurement of hearing aid performance down to input levels of 35dB SPL in nearly all situations.
A built-in loop is provided for telecoil function testing
Two auxiliary inputs are available to connect a hearing aid to electrical signal sources
Battery eliminators can be connected inside to measure battery current
Features and/or functions may not be available for all countries or all areas and product specifications are subject to change without prior notification.