The H6 is the big brother of the ridiculously popular H4n. It offers more inputs as well as interchangeable microphones.
Modular Mic and Input System
Includes XY Microphone Module
Includes Mid-Side Microphone Module
Four XLR/TRS Inputs
Record up to 6 Simultaneous Channels
Record up to 24-bit/96kHz Audio
Doubles as USB Audio Interface