Marantz PMD661MKIII

Built-in studio-grade stereo condenser microphone array
Password-protected file encryption
WAV recording at 44.1/48/96kHz, 16/24-bit
MP3 recording at six selectable recording bit rates from 32 to 320 kbps
Record directly to stable and reliable SD/SDHC flash media
(2) Balanced XLR Mic inputs with +48V phantom power
Dictation Functions including Pitch control and Skip Back
Card check compatibility feature
Passcode protection for the device
Linear style Retake record function
Large OLED (organic LED) Display
Built-in playback speaker and headphone jack
Runs on AC power or 4 x AA Batteries
Up to 6 hours of continuous recording time from a set of batteries
Includes omni-directional boundary microphone and convenient carrying case