Peerless by Tymphany PLS Series 65F25AL02 2-1/2 Aluminum Full Range Speaker Full-range response from 100 to 15,000 Hz Large-roll rubber surround for extended mechanical excursion Aluminum cone and voice coil cap for durability and use in high moisture environments Truncated steel frame for close center-to-center placement in column line array speakers Low inductance, low distortion motor with copper cap and maximum voice coil venting