Check the listing for details. Alesis Strata Prime Electronic Drum Set. Condition: Very Good - Refurbished. Listed at 2999.00 USD. Experience Electronic Drumming in Its Prime! The Strata Prime electronic drum set is Alesis’s most advanced and playable kit yet, boasting an extensive 6-piece drum pad configuration with four accompanying cymbal pads for fantastic versatility. Shallow shells plus a full-size bass drum create a maneuverable yet authoritative feel when commanding the Strata Prime, while its tunable, dual-zone, and mesh-headed engineering plays with impeccable realism and responds with natural rebound, giving seasoned percussionists an at-home feel behind the kit. The brain of the Strata Prime is the massive touchscreen Prime module, driven by a powerful BFD sound engine containing 75 preset kits, 440 sounds, and all the customization freedom for drummers to design and save their creations.