Foam: Width: 33 cm

ANR and Bluetooth connectivity bring top-of-the-line features to Sierra and a reversible headband design allows microphone placement on the left or right

Tempest spin on oil filter

TRX-Devices

More durable

station database update entitlement 60 months air control display pneumatics Foam: Width: 33 cmUpdate entitlement for station database downloads as often as desired within a 60 month (5 year) period for a specific AIR Control Display (based on serial number). The display of COM station names and the NEAREST station function require a database. For safety reasons the database must be valid and up to date. The database is stored on a microSD memory card. In order to access the database, the card has to be permanently inserted into ACD 57. A