Polk Audio DB5251 6.5" 2-Way Car Speakers - High Performance Coaxial Speakers with Dynamic Balance Technology for Clear Sound | Perfect for Car Audio Upgrades, Home Theater, and Marine Use

Features:

• 5-1/4 Inch db Series (Marine Certified) 2-way Component System
• Power Handling:
  • Peak: 500 watts per set / 250 watts each side
  • RMS: 200 watts per set / 100 watts each side
• Impedance: 4 ohms
• Dynamic Balance polymer/mica composite mineral filled cone is stiff yet lightweight for big sound, little distortion
• 25mm liquid-cooled silk/polymer composite dome tweeter with neodymium magnet for clear, detailed highs
• 12 dB / octave Butterworth outboard crossover for fiddle-free perfect sound
• Flush & surface mount swivel cups allow placement flexibility and soundstage optimization
• 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
• ABS Grilles, computer optimized and based on exclusive MOMO designs
• 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
• Electronic tweeter protection circuit protects your tweeters from accidental abuse
• Vented crossover housing gives you a choice of hidden wire channels for easier, more professional-looking installs
• Frequency Response: 53-23,000 Hz
• Sensitivity: 93 dB

Specifications:

• Series: db (Polk)
• Priced Per: Pair
• Speaker Size: 5-1/4 Inch
• Design: 2-way Component System
• Tweeter Design: Dome
• Tweeter Composition: Silk-Polymer Composite
• Woofer Composition: Polymer/Mica Composite
• Woofer Surround: Rubber
• Peak Power Handling: 250 watts
• RMS Power Handling: 100 watts
• Sensitivity: 93 dB
• Frequency Response: 53 - 23,000 Hz
• Impedance (Per Voice Coil): 4 ohms
• Shallow Mount Installation: No
• Top-Mount Depth: 2-5/16 Inch
• Bottom-Mount Depth: 2-7/16 Inch
• Speaker Grilles: Yes