PYLE Blue Label Series PL53BL is 5.25 "Three-Way Triaxial Speaker System Product Features: Non-fatiguing butyl rubber surround, 1st" High temperature ASV voice coil; Standard 5.25 "Size Fits Oem places; Blue Poly Injection Cone, 20 oz magnet structure; 1" neodymium film dome midrange and 3 / 4 ² piezo tweeter includes grills, wires and mounting hardware.