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Polk Audio DB401

New! Polk Audio DB401  

Polk Audio DB401


4-inch coaxial loudspeaker

Category: .

Product Description

Incredible Sound, Affordable Price

The latest generation of db Series loudspeakers is better than ever with superior looks and even better sound. And we’ve done all that at prices that make high perforamnce 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.

db401 Features:

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.

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.

Multi-hole mounting pattern and shallow depth 3/4-inch our highest vehicle application ratio for easy drop-in installations in practically any car on the road, including yours.

New db-design grille.

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.

Reinforced, acoustically inert stamped steel baskets are electrostatically powder-coated for a tough as nails finish.

Stainless steel mounting hardware.

One year parts & labor warranty.

All Polk products are made using the best materials and the most advanced manufacturing techniques. They pass the industry’s most exhaustive quality tests, including drop testing, extreme signal response and UV & salt exposure testing. Polk loudspeakers are built to perform for a lifetime.

Driver Complement

Quantity 1
Diameter 3/4″ (1.91cm)
Type Silk/polymer composite dome
Mid / Woofer
Quantity 1
Diameter 4″ (10.16cm)
Type Dynamic Balance driver with polymer/mica composite cone with rubber surround


Total Frequency Response 85Hz-22kHz
Nominal Impedance 4 ohms
Efficiency 91 dB
Power Handling
Continuous 45 watts
Peak 135 watts


Cut-Out Diameter 3 11/16″ (9.37cm)
Height 13/16″ (2.06cm)
Full-Range Mounting Depth
Top Mount 1 13/16″ (4.60cm)
Bottom Mount 1 15/16″ (4.92cm)


Unit of Measure pair


Speaker Warranty 1 year parts and labor (original purchaser)

Specifications, dimensions and features subject to change without notice. For more information call us at 1-800-377-7655 (USA and Canada). Outside of North America call +1 (410) 358-3600.

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