... 2.Passive transformer system 3.With stage cable box,multi-pin,connector 4.Non-common ground Microphone Split System(This item ... transformer system2.With stage small cable box structure3.With multi-pin connector for a quick connecting port4.With XLR connecting port5. ... maximum access,use several 24-channel,could matched with multi-pin connector only 7U height7.Standard 19" flight case,convenient to ...