This is a full video review of the Stanton Groovemaster V4 MP4 (Matched Pair) Cartridges. These cartridges sport a one-piece design and produce very nice sound output with the elliptical stylus. These sets are not made for scratching, but you will be able to perform some back-cueing and scratching when needed. These are best suited for Mix DJ's and Producers who want the best sound quality. Check our DJ Blog in the link above for DAILY DJ/Production equipment updates.