Ketron SD 1000 Sound Module - 512 new orchestral sounds, 292 GM sounds, 47 new acoustic and electronic drum kits (New Live Drum Modelling), 248 Audio Drum Loops, 32-part multitimbral, polyphony 128 note, multi DSP effects, reverb, chorus, delay, distortion, rotor (slow/fast), MIDI in/thru, 32 MIDI channels, headphone out, line out (mini-jack), includes external 12V power supply. dimensions W x D x H in mm: 147 x 109 x 39, weight : 500 g