Polk Audio db401 4” 2-Way Coaxial Speakers

Polk Audio db401 4” 2-Way Coaxial Speakers

Polk Audio


Incredible Sound, Affordable Price

The latest generation of db Series loudspeakers is better than ever with superior looks and even better sound, 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.

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.


Cut-Out Diameter: 3 11/16" (9.37cm)
Full-Range Mounting Depth - Top Mount: 1 13/16" (4.60cm)
Grille - Height: 13/16" (2.06cm)
Mid / Woofer - Diameter: 4" (10.16cm)
Mid / Woofer - Type: Dynamic Balance driver with polymer/mica composite cone with rubber surround
Tweeter - Diameter: 3/4" (1.91cm)
Tweeter - Type: Silk/polymer composite dome
Efficiency: 91 dB
Nominal Impedance: 4 ohms
Total Frequency Response: 85Hz-22kHz
Power Handling - Continuous: 45 watts
Power Handling - Peak: 135 watts

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