• Earthquake Sound Subzero Car Subwoofers Review
  • Subwoofer Size Buying Guide
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Earthquake Sound SZ-15

15" Dual 4 Ohm Subzero Series Car Subwoofer

  • 5.0

(1 review)

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$899.00

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$749.95

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I appreciate everything Luis has done to get my information name, phone number, email etc. I trust you and Sonic Electronix with my orders. You are fast and honest and you have done the right thing to get my order to me. Sonic, shipping was fast in less than 3 days. I am more than happy.

- George from Salinas, CA

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Piercing Bass with Subzero Subwoofers

When its comes to high-quality subwoofers, it is the technologies and aesthetics that really set them apart from one another. Earthquake Sound's 15" SZ-15 Subzero series subwoofer has a look like no another woofer around. One look at this woofer and you know that it means business and that it was manufactured to stand the test of time. With 1250 watts RMS this Dual 4 ohm woofer will offer an unbelievable amount of bass, at a crisp, clean, and precise rate. Its Turbine Cooled Transducer technology offers unsurpassed heat dissipation control, while the Parallel Series Parallel terminal block allow stereo and mono impedance changes with a simple flip of the fuses, making installation easy, quick and efficient. Its massive 3.25" voice coil allows for an extreme amount of excursion making this woofer really hit hard. It is not very often that you can find, performance, longevity, reliability and aesthetics all in one subwoofer but this Subzero series subwoofers provides that and much more.


 
  • 15" Dual 4 ohm Subzero Series Subwoofer
  • Power Handling:
    • Peak: 2500 watts
    • RMS: 1250 watts
  • Impedance: Dual 4 ohm
  • Paper pressed composite woofer cone
  • Composite foam woofer surround
  • TCT (Turbine Cooled Transducer) Technology
  • PSP (Parallel Series Parallel) Terminal Block for easy switching of mono and stereo impedance changes
  • 3.25" Aluminum voice coil former
  • Sensitivity: 89.7 dB
  • Xmax: 31.75 mm
  • Mounting depth: 8-3/4"
  • Cutout dimensions: 14-1/2"
  • Manufactured in the United States
  • Authorized Internet Dealer
  • 5-year Manufacturer's warranty
Subwoofer Specifications
Subwoofer Series Subzero
Subwoofer Size 15"
Peak Power Handling 2500 watts
RMS Power Handling 1250 watts
Voice Coil(s) Dual
Impedance (Per Voice Coil) 4 ohms
Voice Coil Diameter 3.25"
Sensitivity 89.7 dB
Xmax (millimeters) 31.75 mm
Subwoofer Design Round / Circle
Main Cone Color Black
Woofer Composition Pressed Paper Composite
Woofer Surround Foam
Subwoofer Grille No
Re-Cone Kit Available No
Recommended Enclosure Specifications
Recommended Enclosure Type Ported / Vented
Sealed
Minimum Sealed Box Volume 2.65 cubic feet
Maximum Sealed Box Volume 2.65 cubic feet
Minimum Ported Box Volume 4.22 cubic feet
Maximum Ported Box Volume 5.20 cubic feet
Top-Mount Depth 8-3/4"
Cutout Diameter 14-1/2"
Shallow Mount Installation No
Electromechanical Parameters
Free-Air Resonance (Fs) 24.46 Hz
Equivalent Compliance (Vas) 129.65 liters
Total Speaker Q Value (Qts) 0.3021
Electrical Q Value (Qes) 0.3021
Electrical Resistance of Voice Coil (Re) 7.80 ohms
Mechanical Q Value (Qms) 12.6551
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration 5 years
Labor Warranty Duration 5 years
Warranty Provider Manufacturer
Customer Review Summary for Earthquake Sound SZ-15
Average Customer Rating is 5.0 out of 5 stars:
  • 5.0
based on 1 Review
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Average Attributes Rating:
Durability
  • 5.0
5.0
Value
  • 3.0
3.0
Features
  • 5.0
5.0
Design
  • 5.0
5.0
Usability
  • 5.0
5.0
what's this?
Most Helpful Customer Reviews:
March 6, 2012 Heard 2 of these
0 of 2 people found the following review helpful:
Review by
Tom from Austin, TX
Overall
  • 5.0
Durability
  • 5.0
Value
  • 3.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
2 of these at a DB Drag show, I hopped in the car and was immediately amazed at how good these subwoofers sound, even traveling 30mm +. Great design, great sound.
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Speaker Wire
Choose from our recommended speaker wire to hook up your amplifier to your new subwoofer. The higher quality of speaker wire that it used for this connection, the better your subwoofer will sound.
  Product Price Add?
15 ft. of 12 AWG StreetWires Speaker Wire 15 ft. of 12 AWG StreetWires Speaker Wire
This SuperCable from StreetWires is a noise free link between your amplifier and your subwoofer.
$24.99
20 ft. of 12 AWG Kicker Speaker Wire 20 ft. of 12 AWG Kicker Speaker Wire
Kicker uses twisted pair technology and hyper-flex cable to provide you with the cleanest sound and a simple installation.
$39.95
Sound Dampening Material
Get the most sound out of your new subwoofer with some high quality sound dampening material. It will keep the road noise out and the music inside the car.
  Product Price Add?
Dynamat Rubber Roller Dynamat Rubber Roller
Install your Dynamat with ease! This heavy duty rubber roller is designed specifically to install your Dynamat!
$18.99
Dynamat Extreme Bulk Pack Dynamat Extreme Bulk Pack
36 ft. Dynamat Xtreme Bulk Pack enhances the sound for your entire car!
$159.99
Bass Reconstruction Processors
These sound processors are perfect for enhancing the lower frequencies of a car audio system. After some installation and tuning, your new system will sound better than ever!
  Product Price Add?
The Epicenter by AudioControl (Gray) The Epicenter by AudioControl (Gray)
The original bass booster expander with included remote will enhance the bass of your new system.
$159.99
Enclosure Accessories
These accessories are designed to help you build the custom enclosure that you have always wanted, or add to the box that you already bought. Either way, these products can assist you in achieving better sound, better looks, and more bass!
  Product Price Add?
20 oz. Bag of Poly-Fil 20 oz. Bag of Poly-Fil
Polyester fiber fiberfill adds better bass to your system.
$5.99
16 oz. Can of Adhesive Spray 16 oz. Can of Adhesive Spray
Spray adhesive used for adhering carpet to subwoofer boxes without bubbles.
$5.99
Binding Post Terminal Cup Binding Post Terminal Cup
Use this to easily install a binding post terminal to your subwoofer enclosure.
$4.99
Banana Clip Terminals Banana Clip Terminals
These high grade banana clips allow you to plug into your banana clip ready terminal for a secure connection.
$4.99
Installation, Tools & Accessories
Don't forget to get the tools and accessories that will help you install your new subwoofer in your vehicle. Whether you opt for the professional installation card or the do-it-yourself method, you will need the following to help you out!
  Product Price Add?
Car Stereo and Speaker / Subwoofer Installation Tool Kit Car Stereo and Speaker / Subwoofer Installation Tool Kit
Includes Test Light, Crimp/Splice Tool, Multi-bit Screwdriver and more.
$14.99
System Optimization and Tuning
Use these items to assist in testing and tuning your new car audio system to perfection!
  Product Price Add?
Scosche SPL Meter Scosche SPL Meter
Monitor the noise level of your new car audio system with this SPL meter measuring from 60-135 dB.
$24.99
AutoSound 2000 CD-101 AutoSound 2000 CD-101
Low frequency test CD
$12.99
AutoSound 2000 CD-102 AutoSound 2000 CD-102
High frequency test CD specifically designed for the set-up and evaluation of sound system imaging and placement.
$12.99
AutoSound 2000 CD-103 AutoSound 2000 CD-103
Audiophile reference series test disc for evaluation of all audio components.
$12.99
Main Product
  Product Price Add?
Earthquake Sound SZ-15 Earthquake Sound SZ-15 $749.95

For more information on wiring subwoofers, visit our Subwoofer Wiring Guide: Subwoofer Wiring Guide

Product Summary

Manufacturer: Earthquake Sound
Model number: SZ-15
UPC: 1411368975937
Weight: 52.00 lbs
Internal SKU: sz15
Internal product ID: 38098