CablesOnline 3.5mm Stereo TRRS 4-Pole M to TS Jack Hi End/Powered Microphone to iPhone Adapter, (IP-MIC4)
6-inch 3.5mm Stereo 4-Conductor TRRS Male to 3.5mm TS Dynamic Microphone Input Jack AdapterThis adapter allows you to connect a higher end or battery powered microphone with a 3.5mm plug to your iPhone/ iPad or similar device.Features:*    (1) 3.5mm TRRS male stereo plug*    (1) 3.5mm TS female  jack*    Connects your high end microphones to your iPhone*   Female jack has built-in amplifier for dynamic microphones*    Features a quality slim design male connector for ease of use with bulky cases*    Reduces wear and tear of repeatedly plugging and unplugging cables or devices into the small stereo jack inside iOS devices*    Gold-plated plug ensure a solid high quality connection between the connected devices*    Length: 6 inchesThis adapter works with the following Types of Microphones:**    Battery Powered Lavaliere Microphones**    Dynamic Microphones**    Battery Powered Video Condenser microphones**    Wireless MicrophonesCablesOnline Part Number: IP-MIC4