The Sound Town STLF-21500A is a 21” replacement driver for high power subwoofer cabinets. It is compatible with Sound Town subwoofers and compatible with other brand speakers with a 21” high power subwoofer. The subwoofer comes with an 8-ohm impedance and has a frequency range of 32-2K Hz with a sensitivity of 108dB. It has a built-in cast aluminum chassis with 5” voice coil and 200 oz magnet. It has a paper cone with cloth edge. With 1000W RMS power handling capability, the STLF-21500A delivers a massive and deep bass and makes a great replacement woofer for your 21-inch high power subwoofer cabinets.

  • 21” cast aluminum frame
  • 5” voice coil and 200-oz  magnet produces superb bass sound
  • 1000W RMS power handling capability