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Polk Audio DB501 5-Inch Coaxial Speakers, Pair - Black


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  • 5 inch mobile audio plate-mounted speakers (pair) 
  • Dynamic Balance® polymer/mica composite mineral filled cone
  • Marine Certified 
  • 19mm liquid-cooled silk/polymer composite dome tweeter
  • High and low pass filters (crossovers)
  • Low-mass 2-layer 25mm Kapton voice coil
  • Durable butyl rubber surround
  • Pole plate heat sink
  • Flat spider
  • Flexible woven leads sewn directly into spider
  • Acoustically inert stamped Steel Basket finished in rustproof gun metal gray
  • Stainless Steel Hardware
  • Maximum input power: 135 watts
  • Electrical Power Handling - Continuous: 45 watts
  • Electrical - Efficiency: 93 dB
  • Electrical - Nominal Impedance: 4 ohms
  • Electrical - Total Frequency Response: 65Hz-22kHz



This pair of Polk Audio DB501 5-Inch Coaxial Speakers looks and performs great. Like all of the db Series, the db501 works well in OEM factory systems, as well as with high-powered aftermarket head units and component power amps. The 5-inch plate-style design affords easy installation into factory spaces. The Dynamic Balance® polymer/mica composite mineral filled cone is stiff yet lightweight for big sound, little distortion. The Durable butyl rubber surround won't fall apart under the stress of extreme temperatures, sunlight or time, for years of the great Polk sound. The db Series delivers classic Polk performance and durability like never before.