The audio adapter is a 3.5mmTRS female socket to male XLR adapter that converts 12-48V Phantom power is converted to 3-5V "plug-in power" allowing the use of onboard microphones e.g. Lavalier and shotgun condenser microphones, as well as self-worn microphones such as headsets Receive power from XLR input. The 3.5mm socket also features the HS2 headset microphone The output cables have the same threaded connector, ensuring a secure connection to the XLR input And will not disconnect during recording. Female 3.5mm TRS Mini Jack to Male XLR Adapter Utilizes internal transformer for true balanced output Converts 12-48V phantom power to 4V plug-in power locking connector Output connections: 3XLR output Input: 3.5mmTRS Phantom Power: When powered by phantom power (12-48V), converts to 4V power Compatible Microphone: Lavalier Microphone Shotgun condenser microphone headset microphone pen condenser microphone Colour:Black Material:plastic Package Contents: 1 x 3.5mm TRS female socket to male XLR Balanced Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.