The Sound Town STLF-15GA is a 15" universal replacement woofer for PA/DJ speakers and bass guitar cabinets; it is compatible with the Sound Town PA speakers and speakers of other brands which need a 15" low-frequency driver. The woofer comes with 8-ohm impedance and has a frequency range of 45 Hz - 3.5 kHz. It is built in a cast aluminum chassis and has a paper cone with cloth edge. With 300W RMS, 600W peak power handling capability, the STLF-15GA delivers massive and deep bass and makes a great replacement woofer for your 15-inch PA speakers or bass guitar cabinets.