Receive only kits mainly consist of a connector, a length of wire, and a speaker. While these devices sound very simple, there are many things to consider when selecting a suitable kit: One the Ear or in the Ear? Is there a hygiene concern? Do you prefer an ear bud, ear hook, air tube, ear mold or headset? Do you work or operate in noisy conditions? What type of connector do you need for your radio? This is why we have such a range of receive kits. All organizations have particular needs that can be catered for. Give us try I am sure we will have a configuration to suit your needs.