Compatible with: Amplivox CA850/4, Amplivox CA850/5, Amplivox CA850/5 - Automatic, Amplivox PC850, Amplivox Amplivox 116, Amplivox Amplivox 160, Amplivox Amplivox 170, Amplivox Amplivox 240, Amplivox Amplivox 260, Amplivox Amplivox 270, Interacoustics TITAN Firmware & Software (IMP440), Interacoustics Titan hardware improvements (probe/SB), Interacoustics AT235/AT235h Blackline, Interacoustics AA222 blackline, Interacoustics AT235/AT235h New, Interacoustics AA222 new, Interacoustics AA222 with insert headphones, Interacoustics AS608, Interacoustics AD226 New, Interacoustics AD629, Interacoustics AC40, Interacoustics Affinity 2.0, Interacoustics Equinox 2.0, Interacoustics Callisto, Interacoustics Affinity Compact, Natus-Otometrics Aurical, MAICO MI24-MI44/Racecar (White Line), MAICO touchTymp, MAICO MA 1, MAICO MA27 (old), MAICO MA27 (new), MAICO MA30, MAICO MA33, MAICO MA39, MAICO MA40 (old), MAICO MA41/42 (old), MAICO MA41/42 (new), MAICO MA50, MAICO MA51, MAICO MA52, MAICO MA53, MAI