db351

SKU 1091
3 1/2-inch Coaxial loudspeaker

Incredible Sound, Affordable Price




Welcome to superior looks and even better sound at a price that makes high performance mobile audio affordable to everyone! The db Series works really well in OEM factory systems, as well as with high-powered aftermarket head units and component power amps. The db Series delivers classic Polk performance and durability like never before.



db351 Features:


  • A 3 1/2-inch coaxial that's small enough for unobtrusive installations, yet created with the technologies that translate into pure Polk performance.

  • Dynamic Balance® polymer/mica composite mineral filled cone is stiff yet lightweight for big sound, little distortion.

  • Marine Certified Polk db Series speakers are built tough to withstand the toughest environments so they are perfect for use in boats of all types.

  • 12mm liquid-cooled silk/polymer composite dome tweeter with neodymium magnet for clear, detailed highs.

  • Low-mass Kapton voice coil former is lightweight for high sound output. Kapton's high melting temperature (725°F/400°C!) ensures high power handling and kick-butt reliability.

  • Durable butyl rubber surround won't fall apart under the stress of extreme temperatures, sunlight or time, for years of the great Polk sound.

  • Pole plate heat sink promotes better heat dissipation for superior power handling and reliability.

  • 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.


Audio
Dimensions - Cut-Out Diameter 3 1/16 (7.78cm) "
Dimensions Full-Range Mounting Depth - Bottom Mount 1 11/16 (4.29cm) "
Dimensions Full-Range Mounting Depth - Top Mount 1 1/2 (3.81cm) "
Driver Complement Midrange - Diameter 3 1/2 (8.89cm) "
Driver Complement Midrange - Quantity 1
Driver Complement Midrange - Type Dynamic Balance driver with polymer/mica composite cone with rubber surround
Driver Complement Tweeter - Diameter 1/2 (1.27cm) "
Driver Complement Tweeter - Quantity 1
Driver Complement Tweeter - Type Silk/polymer composite dome
Electrical - Efficiency 91 dB
Electrical - Nominal Impedance 4 ohms
Electrical - Total Frequency Response 90Hz-22kHz
Electrical Power Handling - Continuous 35 watts
Electrical Power Handling - Peak 105 watts
Shipping - Unit of Measure pair
Warranty - Speaker Warranty 1 year parts and labor (original purchaser)