Get professional voices and effects in a compact unit with Ketron"s SD4 Professional Sound Module. This pocket sized module is ideal for all PC and MIDI applications with its plethora of high-quality voices such as its stereo grand piano. Up to 32 channels of MIDI are available plus DSP effects such as reverb, chorus, delay and distortion. The SD4 has a USB port for connectivity and power. Sound Map templates are easily configurable with popular sequencer programs such as Cubase, Logic, Cakewalk, etc. Additional templates and loops are available for free download at Ketron"s website.