Polk Audio DB651S - 6-1/2in 2-Way db Series 330W Coaxial Speakers

Polk Audio DB651S - 6-1/2in 2-Way db Series 330W Coaxial Speakers
In stock: 19 pcs.
Delivery Information:

FAST and FREE Delivery in Toronto. Delivery time: up to 24 hours. Order by 2pm for Delivery Today.

FREE Delivery in Canada. Delivery time: 24-48 hours. Order by 3pm for Next Day Delivery.

FREE International Delivery Available. Delivery time: 2-6 working days.

Product Detail:

Dimensions - Cut-Out Diameter: 5" (12.70cm)
Dimensions Full-Range Mounting Depth - Bottom Mount: 2-1/4" (5.71cm)
Dimensions Full-Range Mounting Depth - Top Mount: 2" (5.08cm)
Dimensions Grille - Height: 15/16" (2.38cm)
Driver Complement Mid / Woofer - Diameter: 6-1/2" (16.51cm)
Driver Complement Mid / Woofer - Quantity: 1
Driver Complement Mid / Woofer - Type: Dynamic Balance driver with polymer/mica composite cone with rubber surround
Driver Complement Tweeter - Diameter: 3/4" (1.91cm)
Driver Complement Tweeter - Quantity: 1
Driver Complement Tweeter - Type: Silk/polymer composite dome
Electrical - Efficiency: 92 dB
Electrical - Nominal Impedance: 4 Ohms
Electrical - Total Frequency Response: 50Hz-22kHz
Electrical Power Handling - Continuous: 55 watts (110 per pair)
Electrical Power Handling - Peak: 165 watts (330 per pair)
Shipping - Unit of Measure: pair


  • New slim mount design with short tweeter post for easy fit behind factory grilles
  • 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. That’s why Correct Craft offers Polk Speakers in their award-winning Nautiques ski and wakeboarding boats
  • 19mm liquid-cooled silk/polymer composite dome tweeter with neodymium magnet for clear, detailed highs
  • Low-mass 2-layer 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
  • Multi-hole mounting pattern and shallow depth our highest vehicle application ratio for easy drop-in installations in practically any car on the road, including yours
  • Muscular 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, 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

The db Series offers superior looks and even better sound, and all at a price that makes high performance affordable! The db571 works well in OEM factory systems, as well as with high-powered aftermarket head units and component power amps. And it delivers the classic Polk performance and durability that has built the db Series' reputation over the years.

This part is universal

Work Time

Accepting orders & Shipping
9:00 am - 18:00 pm (Mo, Tu, We, Th, Fr)
9:00 am - 14:00 pm (Sa)
Su - off-time


Delivery in Toronto

  • Courier to the address
  • Free shipping
  • FAST shipping

Shipping in Canada

  • Canada Post
  • UPS
  • DHL
  • Free shipping
  • Visa
  • MaestroCard
  • MasterCard
  • Paypal
  • Cash
payment visacard payment maestrocard payment mastercard payment paypal
back to top