Built-in low noise, high quality microphones, as well as 3.5mm stereo mini-jack mic and line inputs Features designed to aide musicians such as built-in metronome, tuner as well as overdubbing and a pre-recording function "Smart Mode" feature that adjusts to the best recording level based on the loudest sound Easily find critical parts of your recording using the 99 available index marks Linear PCM (WAV) recording and playback with bit depth up to 24-bit and a sample rate up to 96 kHz and MP3 format as well Built-in speaker and 3.5mm stereo mini-jack headphone out for playback anywhere Can be mounted on an optional tripod or clip stand (sold separately)