The Sabian AAX Fast Hats Bottom has a solid attack with an accelerated, quick, articulate response. Sabian cymbals with brilliant finish are highly buffed and preserved under a clear protective lacquer coating.Sabian AAX cymbals deliver pure, bright shimmering tones. Like stainless steel, AAX cymbals are cool, modern, and extremely efficient. With its streamlined design and sound-shaping Auto-Focus Response feature, AAX is the ultimate breakthrough in modern cymbal making. Tap with your finger or thrash with a stick, Auto-Focus Response maximizes sensitivity, equalizes high & low pitch levels, and purifies sounds by filtering out conflicting overtones. The AAX hi-hats deliver the freedom to sound great in any music style.