Polk Audio® DB401 - 4" 2-Way db Series 270W Speakers

Polk Audio Speakers
Polk Audio® - 4" 2-Way db Series 270W SpeakersPolk Audio® - 4" 2-Way db Series 270W SpeakersPolk Audio® - 4" 2-Way db Series 270W SpeakersPolk Audio® - 4" 2-Way db Series 270W SpeakersPolk Audio® - User's GuidePolk Audio® - db Series CatalogPolk Audio Authorized Dealer
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Universal Fit
Fitment Notes:
  • Not Vehicle Specific
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Product Details

Universal 4" 2-Way db Series 270W Speakers by Polk Audio®. Make your driving more pleasant and enjoyable with top-drawer speakers that will change your and your passengers' world of sound. The audio speakers are made extremely durable to provide years of reliable and hassle-free service.

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


  • Sold as Pair
  • Speaker Size: 4"
  • Design: 2-Way
  • Tweeter Design: Dome
  • Tweeter Composition: Silk-Polymer Composite
  • Woofer Composition: Polymer/Mica Composite
  • Woofer Surround: Butyl Rubber
  • Peak Power Handling: 135 Watts
  • RMS Power Handling: 45 Watts
  • Sensitivity: 91 dB
  • Frequency Response: 85 - 22000 Hz
  • Impedance: 4 Ohms
  • Shallow Mount Installation: Yes
  • Top-Mount Depth: 1-13/16"
  • Bottom-Mount Depth: 1-15/16"
  • Cutout Dimensions: 3-11/16 x 3-11/16
  • Speaker Grilles: Yes
Brand: Polk Audio       Part Number: DB401       UPC: 747192112714
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Polk Audio, the speaker specialist and now the largest audio brand of DEI Holdings, was founded in 1972 in Baltimore with one objective in mind: to design and engineer audio equipment that would deliver iconic, engaging, and authentic sound at home, in a car, and at an office. Polk Audio designers and engineers are not only skilled experts, they're also musicians who know something much bigger about how to create the clearest sound. At Polk, music is still their passion and designing practical audio solutions that deliver lifelike performance is their mission.

Vehicle FitmentThis part is universal
Year Make Model Fitment Notes
   This part is universal
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