Polk Ultramarine Dynamic Balance 5.25" Coaxial Speakers

Product #: DB522
High-performance audio upgrade that delivers signature quality sound that goes beyond OEM factory systems. Marine certified with IP55 rating (water- and dirt-resistant) and tested for salt-fog, UV and humidity. Polypropylene and UV tolerant cone with waterproof inner and outer surrounds
Price: $119.99
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Polk Ultramarine  Dynamic Balance 5.25" Coaxial Speakers

Polk Ultramarine Dynamic Balance 5.25" Coaxial Speakers

  • Features
  • Specs
  • Testing
  • Reviews
  • FAQ

Features for the Polk Ultramarine Dynamic Balance 5.25" Coaxial Speakers

  • 300 Watts Peak Power
  • 2-Way speakers
  • Dynamic Balance Technology
  • Waterproof
  • 3/4" Silk Dome Tweeter
  • Polypropylene Woofer

Specifications for the Polk Ultramarine Dynamic Balance 5.25" Coaxial Speakers

SKU
DB522
Weight (Lbs)
10
Overall Dimensions
No
Speaker Color
No
Sold as:
No
Max Power Handling (Watts)
300
Magnet (oz.)
No
Sensitivity @ 1W/1 Meter (dB)
91
Frequency Response (Hz-kHz)
55-22k Hz
Nominal Impedance (Ohms)
4
Grille Diameter (Inches)
5.25
Mounting Hole Diameter (Inches)
4.5
Mounting Depth (Inches)
Top 1-3/4 - Bottom 2-1/16
Watertight Standard Compliant
Yes
Tweeter Type
Dome
Tweeter Material
Silk
Polypropylene Woofer Cone
Yes
Fs (/Hz)
No
Vas (/Ltr)
No
Qts
no
Qes
no
Xmas (/mm)
No
ASTM B117 Salt Spray Exposure Standard Compliant
Yes
ASTM D4329 UV Exposure Standard Compliant
Yes

Testing

Our hands on Engineering Research and Development team builds quality into our JENSEN Marine products from the beginning by expertly designing each product from the ground up and validating all designs through extensive testing that is primarily conducted in our own on-site test lab. Therefore, JENSEN Marine Audio & Video products offer MORE durability and performance than you would expect from standard electronics.

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