Roland Percussion Electronic Drum Pad (SPD-SX) Unique sampling-pad concept the only instrument of its kind in the world 2GB internal memory, enabling approximately 360 minutes of sampling (mono) without requiring external memory Nine velocity-sensitive rubber pads, two external dual-trigger inputs Easy capturing and assignment of audio data through Multi-Pad Sampling Three units of multi-effects onboard, with two real-time control knobs and four dedicated effect buttons Individual Pad Dynamics indicators show pad status and audio-level activ