Sample anytime, anywhere with the built-in mic and battery power</br>3 control knobs, 12 trigger pads, and Sub Pad for rapid repeat triggering</br>29 DSP effects, including filter, delay, unique voice effects, subsonic, and looper</br>Seamless effects switching for smooth, perfect performance</br>Pattern sequencer with quantize mode and new shuffle feels</br></br>Product Description</br></br>Sample anywhere, anytime using the SP-404SX's built-in microphone. And since the SP-404SX can run on AC or battery power (six AA batteries), it's easy to record wherever and whenever inspiration strikes. Just power-up, point, and record. Line and mic inputs are also available for recording direct or with an external microphone. The SP-404SX's sampling format is uncompressed wave for high-quality audio capture.</br><br/>http://www.amazon.com/gp/product/B01MYDV4NV