Connecting the headset to the on-board DC power supply system
To power the NoiseGard electronics, you can connect the headset to the on-board DC power supply system (12–35 VDC).
Have a 3-pole XLR socket (optional accessories) be mounted by a technician qualified to perform this type of installation.
Connect the XLR-3 plug to the 3-pole XLR socket.
Connecting the headset to a cigarette lighter socket (12–35 VDC) via an adapter cable
Sennheiser offers special adapter cables with XLR-3 socket for connecting the NoiseGard electronics of the headset to the on-board DC power supply via the cigarette lighter socket:
yACX-1adapter cable for powering one headset via the cigarette lighter socket
yACX-2adapter cable for powering two headsets via the cigarette lighter socket
The adapter cables are also available with a right-angled jack plug featuring a 7.5 A fuse and a green LED operation indicator:
yACX-11adapter cable for powering one headset via the cigarette lighter socket
yACX-22adapter cable for powering two headsets via the cigarette lighter socket
