This is an excellent speaker for general duty, compact high power monitors in 2 way vented enclosures and mid-bass P.A. applications in sealed enclosures. Impedance is 8 ohms, has a 250 watt continuous power handling capability, a large 2; voice coil, a 34 oz. magnet and heavy duty frame. The frequency response of this speaker is an impressive 88Hz - 20kHz (see PDF for chart) using supporting HF driver.