- Zoom M3 MicTrak; Stereo Shotgun Recorder; stereo M/S microphone (polar pattern: super-cardioid) with two selectable stereo modes (90° / 120°) and mono mode; No need for gain adjustment due to 32Bit-Float-Converter technology; 32Bit / 48kHz (WAV); recording media: microSDHC cards up to 32GB, microSDXC cards up to 1TB (not included); stereo line output (3.5mm jack) to connect directly to camera; stereo headphones output (3.5mm jack); recording and streaming via USB on PC, Mac, iOS and Android; powered via x2 AA batteries (not included) or USB bus power; dimensions (LxWxH): 200 x 70 x 41mm; weight: 91g; including Quick Start Guide, Windscreen, 3.5mm TRS stereo cable, elastic shock mount with hot shoe adapter