Roland SPD-SX Sample Pad, 4Gb Internal Memory and 9 In-Built Pads16 GB internal memory provides onboard storage for up to 25 hours of stereo samples Nine responsive rubber pads with velocity sensitivity Two dual trigger inputs for up to four external pads (Y cable required) Supports 16 bit 44. 1 kHz WAV AIFF audio for crystal clear sound Real time audio sampling directly into the pad via mic or line inputs Tweak samples with powerful onboard audio editing tools Three effects engines: Master Effect and two Kit