Polk Audio DB571 5 Inch x 7 Inch 2-way Speakers

Features:

• 5 Inch x 7 Inch 2-way Speakers 
• Power Handling:
  • Peak: 360 watts per pair / 180 watts each
  • RMS: 120 watts per pair / 60 watts each
• Impedance: 4 ohms
• Dynamic Balance polymer/mica composite mineral filled cone is stiff yet lightweight for big sound and little distortion
• 19mm liquid-cooled silk/polymer composite dome tweeter with neodymium magnet for clear and detailed highs
• Low-mass 2-Layer 25mm Kapton voice coil former is lightweight for high sound output
• Multi-hole mounting pattern and shallow depth for easy drop-in installations in most cars
• Durable butyl rubber surround won’t fall apart under the stress of extreme temperatures, sunlight or time
• Pole Plate Heat Sink promotes better heat dissipation for superior power handling and reliability
• Acoustically inert stamped steel basket
• Flat Spider for faster, longer excursion linear motion
• Flexible woven tinsel leads sewn directly into Spider for greater reliability
• Frequency Response: 52-22,000 Hz

Specifications:

• Series: db (Polk)
• Priced Per: Pair
• Speaker Size: 5 Inch x 7 Inch (also mounts in most 6 Inch x 8 Inch locations)
• Design: 2-way
• Tweeter Design: Dome
• Tweeter Composition: Silk-Polymer Composite
• Woofer Composition: Polymer/Mica Composite
• Woofer Surround: Butyl Rubber
• Peak Power Handling: 180 watts
• RMS Power Handling: 60 watts
• Sensitivity: 93 dB
• Frequency Response: 52 - 22000 Hz
• Impedance (Per Voice Coil): 4 ohms
• Shallow Mount Installation: Yes
• Top-Mount Depth: 2-3/16 Inch
• Bottom-Mount Depth: 2-1/3 Inch
• Speaker Grilles: No