Tascam DR-70D 4-Channel Audio Recorder For DSLR Camera, Acc Bundle. Kit #DR70DK Designed for use with video and DSLR cameras and can be screwed to the bottom of a DSLR camera with jacks and controls that stay out of the way Simplified interface with controls on hardware switches and knobs instead of menus, for quick adjustment during a take Dual record function captures a safety track to have a backup in case of distortion Tascam's HDDA microphone preamps which are designed for low noise, low distortion, and full-bandwidth 4-track recording records from four XLR microphone inputs