The Akai XE8 is a rack mount Programmable Sample SOund Module/MIDI Drum Expander. For Drum Sequencers, Synthesizers, MIDI Sequencers and MIDI Master Keyboards. The XE8 is a rhythm sound source with 16 basic internal sounds and 32 external sounds through external cards 1 & “. The XE8 can also store up to 32 programs of diverse parameters so that subtle sound nuances can be expressed. Each sound can be processed by changing the parameters of the sample sound. Not only can you playthose sounds separately, but you can play as many as eight sounds with one key note by setting the sounds to that MIDI key note. There are 8 separate outputs on the back. Extra sound card – SL801R ‘Dry Set’ included.