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Hertz DCX 100.3

Dieci Series 4" 2-way car speakers

Item # 301DCX1003

Looking to add a little oomph to your system? Swap out your old speakers for Hertz's Dieci Series 4" car...

Find what Fits your car

Looking to add a little oomph to your system? Swap out your old speakers for Hertz's Dieci Series 4" car...

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Item # 301DCX1003

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$99.99 pair

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About the Hertz DCX 100.3

Freshen up your sound

Looking to add a little oomph to your system? Swap out your old speakers for Hertz's Dieci Series 4" car speakers and take your sound to a new level. A built-in crossover channels the lower and midrange frequencies to a treated paper woofer with a special polyurethane surround and directs high frequencies to a PEI dome tweeter. Improved linearity and reliable performance give you impressive dynamic range for new enjoyment of old favorites.

Freshen up your sound

Looking to add a little oomph to your system? Swap out your old speakers for Hertz's Dieci Series 4" car speakers and take your sound to a new level. A built-in crossover channels the lower and midrange frequencies to a treated paper woofer with a special polyurethane surround and directs high frequencies to a PEI dome tweeter. Improved linearity and reliable performance give you impressive dynamic range for new enjoyment of old favorites.

The Hertz philosophy

Hertz believes that a good speaker should bring out the emotional power of the music you love. That's a high bar, but with their commitment to using premium components and boundary-pushing design, they're more than up to challenge. Comprised of music lovers, Hertz is committed to optimizing your car's sound system for total audio enjoyment.

Speaker grilles are sold separately.

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Product highlights:

  • 2-way car speakers (pair)
  • 4" treated paper woofer with polyurethane surround
  • 5/8" PEI dome tweeter
  • handles up to 30 watts RMS (60 watts peak power)
  • frequency range: 70-21,000 Hz
  • sensitivity: 92 dB
  • top-mount depth: 1-3/4"
  • grilles not included
  • warranty: 2 years
  • Our 60-day money-back guarantee
  • MFR # DCX 100.3

What's in the box:

  • Two 2-way Speakers
  • Eight 3/4" Screws
  • 8 Speed clips
  • Owner's manual (English/ Spanish/ French/ German/ Italian/ Portuguese/ 20 Others)
  • Template on box

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Hertz DCX 100.3

Robert from Okemos, MI on 3/18/2019

2003 Subaru Impreza WRX

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Installed in rear doors of 2003 Subaru WRX. A bit disappointed in these. The basket is rather thin and flimsy and doesn't cover the cut-out. The stock speakers have a bigger, sturdier basket. see picture, that completely covers the cut-out. The new ones just have ears that stick out, technically making it a 4-inch speaker but leaving a gap. I dug around and found some spare vacuum tubing and cut some slots in it to fit around the ears and close the gap, see picture. A kluge that should not have been necessary. I'll eventually build a proper bracket. They sounded downright awful at startup but eventually broke in after about 8 hours. They sound okay now but not as good as hoped. I even replaced one with the stock speaker for comparison. The Hertz speaker was more dynamic and had a bit more resolution but was surprisingly not very good at voices, sounding hollow and boxy. The stock speaker sounded better. I should have considered the wisdom of replacing a four inch speaker that wasn't broken.

Pros: They look nice.

Cons: They don't fit the cut out in my car. The sound was disappointing.

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Solid 4" Speakers

John from San Bruno, CA on 9/3/2018

1985 Ford Bronco II

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Great little speakers! very well built. Clear crisp sound. Modified fit in dash.

Pros: built well, crisp sound

Cons: none

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More details on the Hertz DCX 100.3

Pat M.

Features & specs

General
Speaker Size 4
Design 2-way
Tweeter Design 15mm Dome
Impedance (Ohms) 4
Tweeter Composition PEI
Woofer Composition Water-Repellent Treated Paper
Woofer Surround Polyurethane
Parts Warranty 2 Years
Labor Warranty 2 Years
Specifications
Sensitivity (1W at 1 meter) 92
Sensitivity at 2.83 volts N/A
Frequency Response 70 - 21k Hz
Minimum RMS Wattage ---
Maximum RMS Wattage 30
Peak Power Handling (Watts) 60
Top-mount Depth (Inches) 1 11/16
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 3 5/8

Product Research

Features

PEI Dome Tweeter: Each speaker has a PEI (Poly-Ether-Imide) dome tweeter. PEI is a polymer film that produces a wide soundstage to improve imaging.

Woofer: The woofer cones are made of water-repellent treated paper.

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