each being unique to a specific telephone and wireless product
36 mm receiver
It features eight separate wire schemes – including three built in microphone amplification
Base Station
5mm prong connector on the end
Sennheiser CEHS-PO 01 Polycom adapter cable EHS for Soundpoint 430 and above Addasound crystal 2832 each being unique to aPolycom adapter cable for Electronic Hook Switch for Soundpoint IP 430 and above. Suitable for SDW SDW 5066, SDW 5065, SDW 5036, SDW 5035, 5015, SDW 5016, DW Office, DW Office ML, DW Office Phone, DW Pro 1, DW Pro 1 ML, DW Pro 1 Phone, DW Pro 2, DW Pro 2 ML, DW Pro 2 Phone, SD Office, SD Office ML, SD Pro 1, SD Pro 1 ML, SD Pro 2, SD Pro 2 ML and D 10 Phone. Check your compatibility with your telephone Sennheiser old part# 504104 EPOS new part# 1000750