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Hertz DS 30.3

Dieci Series 12" 4-ohm component subwoofer

Item # 301DS303

With over 30 years of experience, Hertz knows how to build speakers that take your music to new heights.

With over 30 years of experience, Hertz knows how to build speakers that take your music to new heights.

Item # 301DS303

Low stock

$129.99 Sale: -$20.00 off

$109.99 each

60-day returns

If you don't love it, send it back.

Free lifetime tech support

Whenever you need a hand.

Free custom vehicle instructions

Installation help for your car, from our experts.

About the Hertz DS 30.3

Sound value

With over 30 years of experience, Hertz knows how to build speakers that take your music to new heights. Their Dieci Series DS 30.3 12" sub features tough, reliable components and efficient design that give you excellent sound reproduction at a price that's easy to fit into your budget. And to widen your installation options, this subwoofer is designed for compact sealed or ported enclosures.

Sound value

With over 30 years of experience, Hertz knows how to build speakers that take your music to new heights. Their Dieci Series DS 30.3 12" sub features tough, reliable components and efficient design that give you excellent sound reproduction at a price that's easy to fit into your budget. And to widen your installation options, this subwoofer is designed for compact sealed or ported enclosures.

Efficient design

The DS 30.3's mica-injected polypropylene cone features deep ribbing for additional stiffness. When combined with the butyl rubber surround, this advanced design moves more air to give you bigger bass with less distortion. The sub's high-efficiency design also maximizes output so you get all the bass you can handle. 

Made for small spaces

With 250 watts of continuous power handling (1000 watts peak), the DS 30.3 gives you the low end you need to make your music come to life. This sub is designed for use in sealed or ported enclosures that'll fit into small spaces. 

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Product highlights:

  • 12" 4-ohm subwoofer
  • mica-injected polypropylene cone with butyl rubber surround
  • power handling: 250 watts RMS (1000 watts peak)
  • frequency response: 28-300 Hz
  • sensitivity: 91 dB
  • top-mount depth: 4-3/4"
  • sealed box volume: 0.75 cu. ft.
  • ported box volume: 0.85 cu. ft.
  • grille not included
  • warranty: 2 years
  • Our 60-day money-back guarantee
  • MFR # DS 30.3

What's in the box:

  • One 12" Subwoofer
  • 4-Piece adhesive backed foam top mount gasket
  • 4-Piece foam bottom mount gasket
  • Eight 1-1/2" Screws
  • Owner's manual (English/ Spanish/ French/ German/ Italian/ Portuguese/ 21 Others)
  • Hertz window sticker
  • Template on box

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More details on the Hertz DS 30.3

Pat M.

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Features

Sealed Box: Hertz recommends a sealed enclosure volume of 21 liters (0.74 ft³). Sealed enclosures provide the most control over a woofer, will handle a lot of power, and provide accurate sonic reproduction, making them suitable for all types of music.

Ported Box: Hertz recommends a ported enclosure volume of 23.9 liters (0.85 ft³) with one 82mm (3.2") diameter x 175mm (6.9") long port, resulting in a tuning frequency of 40 Hz. Ported (or vented) enclosures typically provide better overall efficiency than sealed, maximizing bass output for a given amplifier.

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