Package Includes:

• (2) Polk Audio UMWS1000 Marine 10" Subwoofer 175 Watt RMS Free-Air 4 Ohm Boat Sub
  

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Description of UMWS1000:

• 175 watts with Santoprene surround
  
• Protected magnet and cone
  
• Stainless steel terminals and mounting hardware
  
• 9.125” mounting hole; 4.7” mounting depth
  
• Meets ASTM B117 salt/fog and D4329 UV testing specifications
  

UMSW1000 is a new Ultramarine subwoofer speaker from Polk Audio. This Polk UltraMarine 10" subwoofer features 175 watts with Santoprene surround and has a protected magnet and core. Measures approximately 10 1/4" Dia. x 5 1/4" D overall.

Requires a 9 1/8" Dia. cutout, with a mounting depth of 4.7". Mounts with (6) 1/4" Dia. mounting holes approximately 9 5/8" apart center to center.

Power:

• RMS: 175 Watts
  
• Nominal Impedance: Single 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
  

Specifications:

• Color: Black
  
• Size: 10"
  
• Overall Dimensions: 10 1/4" Dia. x 5 1/4" D
  
• Cutout: 9 1/8" Dia.
  
• Mounts: (6) 1/4" Dia. mounting holes