The Truvox TF1225 12" loudspeaker driver delivers high fidelity, long-term performance when used in demanding sound reinforcementapplica like stage monitors, compact main speaker boxes, and larger scale PA systems. Highlights 12" bass and midrange driver providing 97 dB sensitivity and 250 watts RMS power handling 2.5" high temperature copper voice coil wound on a polyimide former for increased reliability Optimized ceramic ferrite magnet design reduces weight Double half-roll surround for greater.