Recommended accessories
Replaceable gel ear cushions (Cat. No. 83140)
BP-03 battery pack (except for HMEC 302, HMEC 305 and HMEC 306)
Battery pack with XLR-3 socket for powering the NoiseGard™ electronics of the HMEC 300, HMEC 305-C, HMEC 322, HMEC 400 and HMDC 322 headsets. Four 1.5 V AA size alkaline manganese batteries (IEC LR 6) ensure approx. 15 hours of reliable operation (batteries are not included in the delivery). Length of connecting cable: 0.9 m.
Adapter cables (except for HMEC 302, HMEC 305 and HMEC 306)
Sennheiser offers special adapter cables for connecting the NoiseGard™ electronics of the HMEC 300, HMEC 305-C, HMEC 322, HMEC 400 and HMDC 322 headsets to the on- board power supply via the cigarette lighter socket:
•ACX-1adapter cable for powering one headset via the cigarette lighter socket
•ACX-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:
•ACX-11adapter cable for powering one headset via the cigarette lighter socket
•ACX-22adapter cable for powering two headsets via the cigarette lighter socket
