Point Source Audio CO2-8WL Omni Dual Lavalier MicrophoneCO2 8WL is 2 mics in 1 supporting two separate wireless transmitters. The CO2 8WL is the worlds first fully redundant dual element microphone. The lavaliers one of a kind design pairs two microphone elements into a single housing to create a form factor that is ultra low profile. The paired elements are factory matched in frequency and sensitivity so that when vital backup is initiated any difference in audio performance is nearly undetectable. This