Streamlined Drum Module with Stellar Sounds The Roland TD-27 is an impressively streamlined drum module filled to the rafters with life-like drums samples, powerful signal processing, and flexible connectivity — all housed in a relatively compact and intuitive interface. Navigating the menu to audition and select kits, tweak parameters, and add custom kits to a personal library is effortless. The TD-27's massive collection of kits offers some of the most natural-sounding samples we've heard at GearNuts, due to Roland's proprietary Prismatic Sound Modeling and PureAcoustic Ambience Technology. For practicing, performance, and recording, few modules match the sound and functionality of the Roland TD-27 drum module.Powerful Prismatic Sound Modeling Every onboard kit within the TD-27 is crafted to sound great without tweaks. But for times when you need a custom kit for a particular performance, Prismatic Sound Modeling — derived from the flagship TD-50 — has you covered. You have control