0.75" component tweeter - polyetherimide (PEI) hard dome tweeter, Included multi-fit installation adapters optimize fitment in applicable original equipment (OE) speaker locations, Inline high-pass network for simple installation | Pioneer | | TS-A301TW | A-Series, 0.75", 450 W Max, PEI Hard Dome, Component Tweeter Pair | Black | Best Buy