Low noise and high-quality built-in cardioid stereo condenser microphones which accept 125dB SPLSupports both X-Y and A-B microphone anglesPeak Reduction function automatically sets the optimum recording level, even while recording a Overdub function allows you to record over an existing recording Self timer recording starts recording 5 or 10 sec. after pressing the record button for waiting until you are ready Up to 99 points of auto and manual mark on each file Level Align function makes recordings easy to listen to by smoothing out level differences Variable speed playback (50-150%) without changing the pitch Quick menu access to the suitable parameter for the current recorder's transport status On-board reverb effect Up to 96kHz/24-bit resolution WAV (BWF) recording 32 to 320kbps stereo MP3 capture Limiter and Auto level control Auto and manual track increment2 second pre-recording Auto rec Loop and repeat playback Jump back a few seconds with one button Resume play Playback EQ Edit function (Divide/delete file) Chromatic tuner Built-in speakerUSB USB port Tripod screw hole 2 x AA batteries, AC adaptor (optional, PS-P515) or USB bus power