Up for sale is a Polk Audio 10 " Ultramarine Subwoofer part number UMSW1000.
Power:
  • Max Power Handling: 175 Watt
  • Nominal Impedance: 4 ohms
  • Frequency Response: 30-500 HZ
  • Sensitivity: 87 dB
  • Meets ASTM B117 salt/fog and D4329 UV testing specifications
Features:
  • Infinite Baffle
  • Stainless steel terminals and mounting hardware
  • Mica filled PP cone
  • Mounting Gasket
  • This is a new subwoofer in the manufactures packaging.  Check out our other listings!