Are you looking for a wireless microphone that will fit an interview with more than 2 participants? then the Saramonic UwMic9 is probably a good option for this purpose. It is a camera-mountable wireless system that provides a relatively good sound for an affordable price. This system fits DSLRs, Mirrorless, Pro Video and all types of cameras, audio recorders and mixers with 3.5mm or XLR microphone inputs. The two transmitters are great for capturing interviews.