The Sound Town STLF-1570 is a 15” universal replacement driver for PA/DJ woofers. It is compatible with Sound Town PA speakers and compatible with other brand speakers with a 15” woofer. The driver comes with 8-ohm impedance and has a frequency range of 45-3K Hz with a sensitivity of 96dB. It has a built-in pressed steel chassis and has a paper cone with cloth edge. With 300W RMS power handling capability, the STLF-1570 delivers superb sound and makes a great replacement woofer for your PA/DJ cabinet.