The Sound Town STLF-1050 is a 10” universal replacement driver for PA/DJ woofers. It is compatible with Sound Town PA speakers and compatible with other brand speakers with a 10” woofer. The driver comes with 8-ohm impedance and has a frequency range of 55-3K Hz with a sensitivity of 94dB. It has a built-in pressed steel chassis and has a paper cone with cloth edge. With 150W RMS power handling capability, the STLF-1050 delivers superb sound and makes a great replacement woofer for your PA/DJ cabinet.