‘–> RJ9/RJ10/RJ22 Telephone Headset and Microphone For the home, office or call centre. Overview - The plug has to be placed in the telephone and the headset is ready for usage. The headset is equipped with a sensitive and clear microphone with noise reduction and is very comfortable to wear. Further information on the type of connector used - This headset can be referred to as having an RJ9, RJ10 or RJ22 connector. The connector is 4P4C (4 position, 4contact). Since telephone handsets/headsets do not connect directly to the public network, they do not have a registered jack code. Product description Driver Unit: 30mm Maximum Power Input: 40mw Microphone Operating Voltage: 4.5V Microphone impedance: 2200 Ohm Microphone Frequency Response: 20-20.000Hz
