All of the Sport-Link headsets and helmets are available in packaged systems, saving time and cost over purchasing items individually. Packages are available with two headsets or two helmets that include an intercom. The system packages available are listed below.
Series K Helmet provides ability to convert all David Clark "Over-The-Head" style headsets (except H20-10 and H10-80) into a Helmet/Headset assembly. The kit and a David Clark headset gives both impact and hearing protection in addition to clear, normal conversation in high noise environments.
The Zeta II fitting system is manufactured in several thicknesses, ranging from 1/4 (size 2) to 5/8 (size 5) inches thick, in one-eight (1/8) inch increments.