Polk Audio DB571 5''x7'' Durable Mid Range 2-Way Coaxial Car Speaker Polk Audio db571 5" x 7" Coaxial Speakers bring you superior looks and sound at a price that makes high performance affordable to everyone. The polymer/mica composite mineral filled cone is stiff yet lightweight and brings you big sound with little distortion. A 19mm liquid-cooled silk-polymer composite dome tweeter with neodymium magnet creates clear, detailed highs. The Pole Plate Heat Sink promotes better heat dissipation for superior power handling and reliability. Polk db Series speakers are built tough to withstand the harshest environments, so they are perfect for use in boats of all types. The db Series delivers classic Polk Audio performance and durability like never before.

General Features:

• Dynamic Balance polymer/mica composite mineral filled cone
• Marine Certified
• 19mm liquid-cooled silk/polymer composite dome tweeter with neodymium magnet
• Low-mass 2-layer 25mm Kapton voice coil former is lightweight for high sound output
• Kapton's high melting temperature (725°F/400°C!)
• Durable butyl rubber surround
• Pole plate heat sink promotes better heat dissipation
• Flat spider for faster, longer excursion linear motion.
• Flexible woven leads sewn directly into spider for greater reliability.
• Rock solid, acoustically inert stamped steel basket finished in rustproof gun metal gray.
• Stainless steel mounting hardware.
• 2-Way Design
• 6-60W RMS Rated Power
• 180W Peak Power
• Frequency response: 52-22,000 Hz
• Sensitivity: 93 dB