Ketron SD1000 Pro Sound Module The SD1000 is an interesting addition to the field of sound modules in terms of compactness and musical performance. In addition to offering all the timbre sounds required to perfectly play back musical files in General Midi standard and Kar, the SD1000 also has other additional sound banks with an incredible variety of Orchestral Voices: Grand Piano Stereo over 88 notes, Acoustic and electric Guitars, Brass and Saxophones of unique quality, Sample Organs, Accordions, Bass instruments, Strings, acoustic and electronic Drum Sets etc. The SD1000 also offers an outstanding number of audio Loops of Drums and Percussions, split up into the widest variety of musical genres, which certainly make the SD1000 stand out from other similar modules.