McKay 4SM Speaker Microphones - The 4SM speaker microphone is designed by McKay with the industrial user in mind. It has been designed to be weatherproof for the harshest of environments. Rubber seals are utilized through our as are mesh membranes covering the speaker and microphone ports to minimize water and dust intrusion. It is constructed of a Polycarbonate blend which makes it extremely durable. This is a completely serviceable product with spares stocked globally.

Cable Assemblies are field replaceable and cross radio platform compatible. Two earphone jacks, 2.5mm MONO & 3.5mm MONO are fitted to the top of the case for maximum compatibility. The Noise Canceling microphone and 8 Ohm Mylar speaker offer Crisp and Clear transmissions in the noisiest of areas.

NB: You MUST choose a Connector from the "Available Options" list.

If you are not sure what connector fits your radio, check the Radio Connector Parts List to find your radio and identify your  correct connector.