db521 Car & Marine audio speaker

Polk Audio 5 1/4-inch Coaxial Car Audio Speaker db521

Incredible Sound, Affordable Price

Our db Car Audio Speaker Series is better than ever with superior looks and even better sound. And we’ve done all that at prices that make high performance affordable to everyone! The db Series works 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.

db521 Audio Features:

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

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

19mm liquid-cooled silk/polymer composite dome tweeter with neodymium magnet for clear, detailed highs.

Low-mass 2-layer 25mm 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.

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.

Product Description

Polk Audio 5 1/4-inch Coaxial Car Audio Speaker db521

db521 Audio Specs

Dimensions – Cut-Out Diameter 4 11/16 (11.91cm) ”
Dimensions Full-Range Mounting Depth – Bottom Mount 2 7/16 (6.19cm) ”
Dimensions Full-Range Mounting Depth – Top Mount 2 5/16 (5.87cm) ”
Dimensions Grille – Height 1 (2.54cm) ”
Driver Complement Mid / Woofer – Diameter 5 1/4 (13.34cm) ”
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 dome
Electrical – Efficiency 93 dB
Electrical – Nominal Impedance 4 ohms
Electrical – Total Frequency Response 60Hz-22kHz
Electrical Power Handling – Continuous 45 watts
Electrical Power Handling – Peak 135 watts
Warranty – Speaker Warranty 1 year parts and labor (original purchaser)

Made for Car Audio & Marine Audio Installations Availabe in Sault Ste.Marie ON


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