the ry-30 is an elegant drum machine with advanced synth-like features that give it a really great sound. its sounds come from a sample-based rom synthesis engine belonging to yamaha's sy/tg series of digital synthesizers. it's sounds are 16-bit, 48khz pcm with digital multimode filters. it can store up to 100 user patterns and 20 songs, plus it comes with 100 preset patterns in various styles for instant drum accompaniment. excellent condition