First, iKlip A/V is designed for mobile broadcast professionals to provide pro-quality audio to your mobile videos. It features an integrated microphone preamp with phantom power that lets you use a high-quality external microphone for audio capture. Simply plug your microphone or wireless receiver into the preamp's XLR input, then plug the 1/8" TRRS cable into your smartphone's headphone/mic jack. It's that simple. Need phantom power to your mic? No problem! iKlip A/V provides 48v of power via two AA batteries, and also features built-in support for holding most popular wireless microphone receivers.