The JBL A352HI 350W 6-1/2" Coaxial Speakers deliver high-quality audio performance with a robust design. Each speaker features a 6-1/2" (160mm) coaxial configuration with a mounting cutout diameter of 5-12/16" (145.7mm). With a maximum power handling of 350W and an RMS power rating of 47W, these speakers offer clear and powerful sound. They are constructed with an IMPP (Injection-Molded Polypropylene) cone and a PEI Balanced Dome Tweeter for enhanced audio clarity. The frequency response ranges from 55Hz to 20kHz, with a sensitivity of 91dB (2.83v @ 1m). An onboard crossover ensures optimal sound distribution. Made in China, the enclosure material is rubber, providing durability and longevity.