Nixon Master Blaster Headphones: Do you remember how awesome Math Blaster was? Well, believe it or not, the Nixon Master Blaster Headphones are even better. The Master Blaster model is Nixon's top of the line and it is most luxurious. Boasting loud 50mm drivers for crisp, full range sound, patent-pending ball and socket connection for almost limitless range of motion for a true custom fit, and a lightweight metal construction with full size volume knob on the earpiece, you can tell these are built for comfort, durability, and performance.