The SM112F PA loudspeaker delivers a clean tone with high sound pressure level capacity, and covers 12" full rang speaker with 450W RMS power handling. SM112F 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.