The SM115F PA loudspeaker delivers a clean tone with high sound pressure level capacity, and covers 15" full rang speaker with 600W RMS power handling. SM115F uses a woofer with a 4" coil, this models with the suffix F feature the flying track, offering you the option of selecting economical, forged eyebolts for fixed installation or the convenience of detachable track fittings for portable applications. Just choose the hardware kit that's right for your application.