You can afford to keep extra Countryman E6 cables in your kit for emergencies.
And, you can use the same mic on multiple wireless systems simply by purchasing
the appropriate cables.
While Countryman's E6, E6i and E6 Flex Series Earsets are already the
best value in terms of comfort, sound quality and appearance, Countryman's
unique Snap-On replacement cables deliver the lowest total cost of ownership
of all the earsets on the market!