Authorized Polk Audio Dealer!

Everything you love about Polk’s Dynamic Balance technology—that rich, clean, full-range sound—is built into the marine-tough, yet ruggedly sophisticated, DB+ series. And with its universal fit, it can be installed in any vehicle: Automobiles, motorcycles, boats, ATVs—you name it.

High Performance Upgrade
Upgrade from your OEM speaker system toward a bigger, fuller, high-performance sound.

Marine Certified
Built to last for cars, boats and ATVs with an IP56 rating and tested for Salt-fog, UV & Humidity.

Universal Fit
Simple drop in installation for any vehicle including cars, boats, ATV’s -- you name it.

Zero Tweeter Protrusion
A shallow tweeter design to ensure your factory speaker grille re-installs with ease for a flush, seamless look.

Dynamic Balance Technology
Patented process that guides material selection through rigorous testing that identifies and cancels out unwanted resonant frequencies.

Features:

• (2) Polk Audio DB402 4" 270 Watt Car Audio Marine/ATV/Motorcycle/Boat Speakers
• High performance audio upgrade that delivers signature quality sound that goes beyond OEM factory systems
• Marine certified with IP65 rating (water- and dirt-resistant) and tested for salt-fog, UV and humidity
• Polypropylene and UV tolerant cone with waterproof inner and outer surrounds
• Simple drop-in installation for any vehicle including cars, boats, ATVs—you name it
• Zero tweeter protrusion and reduced mounting depth for a precise fit
• Dynamic Balance technology offers a rich, clean, full-range sound
• ¾”, 20mm Tweeter ensures clear, balanced mids and highs
• 45 Watts at Continuous Power; 135 Watts at Peak Power

Specifications:

• Driver Compliment: 4" (101.6mm)
• Tweeter Compliment: 0.75" (19mm)
  
• Cut-Out Diameter: 4.09" (104 mm)
  
• Mounting Height: 0.22" (5.59 mm)
  
• Driver Mounting Depth - Bottom Mount: 2" (51 mm)
  
• Driver Mounting Depth - Top Mount: 1.79" (45.5 mm)
  
• Dimensions Grille - Height: 14.07mm
  
• Driver Complement Mid / Woofer - Diameter: 4" (101.6 mm)
  
• Driver Complement Tweeter - Diameter: 0.75" (19 mm)
  
• Max Sensitivity: 90 dB
  
• Nominal Impedance: 4 ohm
  
• Total Frequency Response: 60Hz-22kHz
  
• 270 Watts Peak Power Total Per Pair / 135 Watts Peak Power Per Speaker
• 90 Watts RMS Total Power Per Pair / 45 Watts  RMS Per Speaker

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Advantages of buying from an authorized seller:

• Best prices - We sell all Polk Audio Products at great prices
  
• Full Factory Warranty
  
• Lifetime Customer Service by Polk Audio product experts
  
• Guaranteed legitimate and authentic merchandise
  

Please note: If you purchase Polk Audio from an unauthorized seller then you are taking a big risk. You will not have any manufacturers warranty, and there is no guarantee that the item is authentic, brand new, or even working.