These are Dutch military issue headsets, made in England. They are used, in good condition, we do test them before shipping. Canvas storage bag is included.
These headsets are 600 ohm (2 300ohm speakers) and are a two wire hookup. You can buy the matching plug from electronics suppliers or wire in your own.
These are great for wiring up for your military radios or vehicle intercom, use with older radios, or any other use you can think of.