Earpieces Listed below have a Motorola
Two-pin plug . Your radio will need to be fitted with an adapter
like the one below to accept these earpieces. For direct connection
see Audio Multipin.
Adaptor
M2 Fits GP320 / GP340 to allow the use of Motorola 2 pin plugs
Converts the GP320 or GP340 multi pin side connector
to accept lower cost two pin plug earpieces.