‘–> 5x RJ9/RJ10/RJ22 Telephone Headset and Microphone PLEASE NOTE - this listing is for five headsets only, multiple quantities can be purchased if required please search our shop or feel free to get in touch 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
