Polk Audio DB651S

Features:

• 6-1/2 Inch 2-way Slim Mount Marine Certified Coaxial Speakers
• Power Handling:
  • Peak: 330 watts per pair / 165 watts each
  • RMS: 110 watts per pair / 55 watts each
• Recommended power range: 10 - 55 watts RMS per channel
• Lightweight dynamic balance polymer/mica composite mineral filled cone woofer
• Marine certified, perfect for use in marine vessels
• 3/4 Inch Liquid-cooled silk/polymer composite dome tweeter
• High pass and low pass crossover filters
• Low-mass 2-Layer 25mm kapton voice coil former
• Multi-hole mounting pattern
• Shallow depth
• Muscular ABS Grilles (Based on MOMO Designs)
• Durable butyl rubber surround
• Pole plate heat sink
• Flat spider for faster, longer excursion linear motion
• Flexible woven leads sewn directly into spider for greater reliability
• polarized nickel plated terminals on PCB terminal board
• Stamped steel basket finished in rustproof gun metal gray
• Cut-Out Diameter: 5.00 Inch (12.70cm)
• Top Mount Depth: 2.00 Inch (5.08cm)
• Frequency Response: 55 - 22,000 Hz
• Sensitivity: 92 dB
• 4 ohm Impedance

Specifications:

• Series: db (Polk)
• Priced Per: Pair
• Speaker Size: 6-1/2 Inch
• Design: 2-way
• Tweeter Design: Dome
• Tweeter Size: 3/4 Inch
• Tweeter Composition: Silk-Polymer Composite
• Woofer Composition: Mica Injected Polypropylene (MIPP)
• Woofer Surround: Butyl Rubber
• Peak Power Handling: 165 watts
• RMS Power Handling: 55 watts
• Sensitivity: 92 dB
• Frequency Response: 50 - 22000 Hz
• Impedance (Per Voice Coil): 4 ohms
• Shallow Mount Installation: Yes
• Top-Mount Depth: 2.00 Inch
• Bottom-Mount Depth: 2.25 Inch
• Cutout Dimensions: 5.00 Inch
• Speaker Grilles: Yes
• Number of Speakers: 2