DESC: The SRX-01 Dynamic Drum Kits wave expansion board was developed in partnership with Spectrasonics and is loaded with 64MB of the finest acoustic drum sounds ever assembled. Each of these vintage and modern drum sets including rock, pop, and jazz was painstakingly sampled and edited in world-class recording studios. Designed for the XV synthesizers' vast polyphony and extensive synthesis capabilities, all of these drum kits can be layered and played in stereo to deliver the most expressive drumming nuances.