Like stainless steel, AAX is cool, modern, and extremely efficient. With its streamlined design and sound-shaping Auto-Focus Response feature, AAX is Sabian"s ultimate breakthrough in modern cymbal making. Tap with your finger or thrash with a stick, Auto-Focus Response maximizes sensitivity, equalizes high and low pitch levels, and purifies sounds by filtering out conflicting overtones.B 20 bronze Streamlined design Extremely responsive