With the Zoom EXH-6 Combo Input Capsule, it allows you to add two additional discreteXLR/TRS combo signals from external microphones, instruments, mixers or even portable music players which simply plugs into your EXH-6 Handy Recorder, Handy Audio Interface or Multitrack Field Recorder which is compatible with th Zoom H5, H6, U-44 and F8.