The H2n Handy Recorder is the only portable recording device to come with five built-in microphones and four different recording modes: X/Y, Mid-Side, 2-channel surround and 4-channel surround. Other advanced features include automatic gain control and onboard MS decoding, plus effects like compression, limiting and low cut filtering. You can even use the H2n as a multi-purpose USB microphone! FEATURES Five built-in microphones and four recording modes: Mid-Side (MS) stereo, 90° X/Y stereo, and both 2-channel and 4-channel surround Analog-type input gain control Auto Gain provides three preset recording levels Stereo ⅛" Mic/Line In mini phone jack with Plug-in power (2.5V) Stereo ⅛" Phone/Line Output jack with dedicated volume control Built-in reference speaker for fast monitoring Large 1.8 inch backlit LCD display Records directly to SD and SDHC cards up to 32 GB Supports up to 24-bit/96 kHz audio in BWF-compliant WAV or a variety of MP3 formats Auto-record and Pre-record features WAV to MP3 conversion Internal mixdown: four-track surround to stereo Up to 99 marks per recording Built-in effects, including compression/limiting and low-cut filtering Onboard MS decoding Normalize and Divide functions Chromatic tuner and metronome Loop playback with user-defined start and stop points Variable playback speed, from 50% to 150% for phrase training Variable pitch without affecting playback speed USB port for data exchange to and from computer and use as a USB microphone 4-in/2-out USB audio interface for PC/Mac computers SD card reader function Data recovery function automatically saves data if power fails or card is removed Mounts directly to tripod or DSLR Runs on only 2 standard AA alkaline or NiMH rechargeable batteries, or AC adapter (AD-17, USB to AC type) Over 20 hours of operation with 2 AA alkaline batteries