Sound Tubes for Insert Phone EARTONE 3A

Connecting tubes (Sound Tubes) for the EARTONE 3A pluggable earphone. Made of polyurethane. The fixed hoses are each supplied with a tube nipple. Allows a very good acoustic signal transmission.
The tubes of the EARTONE plug-in headphones must be replaced at regular intervals, usually once a year. Replace the tubes before they become brittle or perforated. Do not cut the sound tube. A change of 10 mm in the length of the connecting tube will change the frequency response by more than 0.5 dB at individual frequencies.

Dimensions: Length: approx. 24 cm

Scope of delivery: 1 set
evidENT-Shop Article 177

Manufacturer: 3M AEARO. Article #420-2003
3M, E-A-RTONE™ and E-A-RLINK™ are trademarks of the company 3M