FeaturesHigh-quality unidirectional stereo condenser microphonesUp to 18 hours battery lifeReverb effect & Auto recording functionProven high sound pressure design for capturing loud soundsFunctions as a 2 in, 2 out USB Audio Interface for Mac, PC or iOS recording The versatile Tascam DR-40X 4 Track Recorder is ideal for cinema, music, podcasting and any other application. Easy-to-use compact design with a high-performance feature set and versatile audio I/O, all to produce professional content.DR-40X allows high-quality recording with its stereo built-in condenser microphones. Every detail is captured from small whispers to loud sounds up to 125dB SPL. These built-in microphones are adjustable unidirectional microphones for recording in an X-Y pattern for tight stereo imaging, or in an A-B pattern for a more ambient recording.The layout of the DR-40X has been revamped to be quick and easy to work with one thumb. Operations like recording, adjusting levels, deleting bad takes and adding markers are just a button press away.