Our Sennheiser Selector makes it easy to switch between a headset and handset, connected to the handset jack on a phone.
This is for use with phones and headsets that can provide "direct connect" operation to a handset jack, without a powered amplifier/switchbox.NOT for use with dedicated headset jacks.Handset and headset jacks are 4-pin/4-position modular "RJ22" type.Works great with Panasonic phones.To change from handset to headset, or from headset to handset, just tap a button on the box.With some phones, it may be necessary to raise the handset to use the headset.Sennheiser Selector is passive, with no amplification, adjustments, or need for electrical power.It works with Sennheiser and other brands of headsets.Tiny size: about one inch by two inches.