Garage
Shop

See all parts that fit your 2002 Trooper

Earthquake Sound SZ-15

15" Dual 4 Ohm Subzero Series Car Subwoofer

Product videos
highlight-star-icon

•15" Dual 4 ohm Subzero Series Subwoofer • Paper Pressed Woofer Cone
• Composite Foam Woofer Surround
• 2500W MAX • 1250W RMS
• Turbine Cooled Transducer Technology
• PSP Terminal Block • 3.25" Aluminum Voice Coil Former • 89.7dB

Learn more about the sz15

We apologize

This item has been discontinued


Loading...
72-9300 main

Metra 72-9300

Install New Car Speakers in select 1976-2015 vehicles from Subaru, Nissan, Mazda

8
-40.03%

$8.99

List price $14.99

XED42 main

Cerwin-Vega XED42

300W Peak (40W RMS) 4" XED Series 2-Way Coaxial 4-ohm Speakers

4
-16.67%

$39.99

List price $47.99

Product Highlights


•15" Dual 4 ohm Subzero Series Subwoofer • Paper Pressed Woofer Cone
• Composite Foam Woofer Surround
• 2500W MAX • 1250W RMS
• Turbine Cooled Transducer Technology
• PSP Terminal Block • 3.25" Aluminum Voice Coil Former • 89.7dB

Description


Earthquake Sound brand icon

Authorized dealer

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 Wiring Guide


Wiring Guide to Wire 1 Earthquake Sound SZ-15 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Earthquake Sound SZ-15 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Earthquake Sound SZ-15 Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 Earthquake Sound SZ-15 Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp


Loading...
Club 522F main

JBL Club 522F (SPKCB522FAM)

270W Peak (90W RMS) 5.25" Club Series 2 Way Coaxial 3-ohm Speakers

-42.29%

$74.99

List price $129.95

Reference 5030cx main

Infinity Reference 5030cx (REF5030CX)

390W Peak (130W RMS) 5.25" Reference Series 2-Way 3-ohm Component Speaker System

2
-60.01%

$99.95

List price $249.95

TS-A1081F main

Pioneer TS-A1081F

460W Peak (100W RMS) 4” A Series 2-way 4-ohm Coaxial Car Speakers

3
-18.18%

$90.00

List price $110.00

DB402 main

Polk Audio DB402 (DB 402)

270W Peak (90W RMS) 4" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

4
-9.99%

$90.00

List price $99.99

REF507CF main

Infinity REF507CF (INFSPKRF507CFUS)

390W Peak (130W RMS) 5.25" Reference Series 2-Way 3-ohm Component Speaker System

-12.00%

$219.95

List price $249.95

DMDX5 main

Diamond Audio DMDX5

240W Peak (80W RMS) 5" DMD Series 2-Way Cocentric Coaxial 4-ohm Speakers

C1-400x main

JL Audio C1-400x

70W RMS 4" C1 Series 2 Way Coaxial 4-ohm Car Speakers

8
ZXI-44 main

DS18 ZXI-44

300W Peak (100W RMS) 4" ZXI Series 2-way 4-ohm Coaxial Car Speakers

51KSC404 main

Kicker KSC4 (51KSC404)

300W Peak (150W RMS) 4" KS Series 2 Way Coaxial 4-ohm Speakers

3
-16.67%

$99.99

List price $119.99

Limited time!
46CSC54 main

Kicker CSC5 (46CSC54)

450W Peak (150W RMS) 5.25” CS Series 2 Way Coaxial 4-ohm Speakers

5
-33.36%

$79.96

List price $119.99


Best selling similar products

DB-SA305 D1 small

Deaf Bonce Apocalypse DB-SA305 D1

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Pressed Paper Cone
• Foam Surround
• Impedance: Dual 1 ohm
• Mount depth: 7.85"
• Sensitivity: 88.30 dB

(1)

$399.90

List price $399.90

DB-SA255 D2 small

Deaf Bonce Apocalypse DB-SA255 D2

• Peak Power: 2000 watts
• RMS Power: 1000 watts
• Pressed Paper Cone
• Foam Surround
• Impedance: Dual 2 ohm
• Mount depth: 7.4"
• Sensitivity: 87.50 dB

(1)

$259.90

List price $259.90

VCW152v3 small

NVX VCW152 Version 3 (VCW152v3)

• Peak Power: 3000 watts
• RMS Power: 1500 watts
• Impedance: Dual 2 ohm
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• Custom High Roll Foam Surround with black nylon stitching
• Mount depth: 8.19"
• Sensitivity: 88 dB (1W/1m)

(39)

$259.99

List price $311.99

YSW154 small

NVX YSW154

• Peak Power: 1600 watts
• RMS Power: 800 watts
• Impedance: Dual 4 ohm
• Enhanced Pressed Paper Cone
• High Roll Foam Surround
• Mount depth: 7.47"
• Sensitivity: 85 dB

(3)

$129.99

List price $167.99

ZV715D1 small

Sundown Audio Z-15 v.7 D1 15" (Z15V7D1)

• Peak Power: 7000 watts
• RMS Power: 3500 watts
• Impedance: Dual 1 ohm
• Treated Paper Cone
• Treated Foam Surround
• Sensitivity: 91.58 dB

$1364.99

List price $1559.99

XCW151 small

NVX XCW151

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Impedance: Dual 1 ohm
• Enhanced Woven Fiber Paper Composite Cone
• Custom High Roll Foam Surround
• 30 mm Xmax (One Way)
• Sensitivity: 87.3 dB

(1)

$599.99

List price $659.99

EXL-XX15.4DHE small

DS18 EXL-XX15.4DHE

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Impedance: Dual 4 ohm
• Paper Cone
• Foam Surround
• Mount depth: 8.86"
• Sensitivity: 88 dB

$599.95

List price $599.95

EXL-XX15.2DHE small

DS18 EXL-XX15.2DHE

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Paper Cone
• Foam Surround
• Impedance: Dual 2 ohm
• Mount depth: 8.86"
• Sensitivity: 88 dB

$599.95

List price $599.95

L7S152 small

Kicker L7S152 (44L7S152)

• Peak Power: 2000 watts
• RMS Power: 1000 watts
• Impedance: Dual 2 ohm
• Injection Molded Polypropylene Cone
• Ribbed Santoprene Surround
• Mount depth: 8 11/16"
• Sensitivity: 88.56 dB

(11)

$383.96

List price $509.99

49L7X152 small

Kicker L7X152 (49L7X152)

• RMS Power: 1000 - 2000 watts
• Impedance: Dual 2 ohm
• Double-pressed pulp Cone
• UV-resistant Santoprene Surround
• Mount depth: 11-9/16"

(2)

$799.99

List price $899.99

Specifications & Details


Subwoofer Specifications
Series
Subzero Series
Subwoofer Size
15"
Peak Power Handling
2500 watts
RMS Power Handling
1250 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohm
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 (Mounting Depth)
8-3/4"
Cutout Diameter
14-1/2"
Shallow Mount Installation
No
T/S Parameters (Electromechanical)
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 ohm
Mechanical Q Value (Qms)
12.6551
Warranty and Return Policy
Parts Warranty Duration
5 years
Labor Warranty Duration
5 years
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

SZ-15

Weight:

52.00lbs

Internal SKU:

sz15

Internal Product ID:

38098

Product and How-to Videos


  • Earthquake Sound Subzero Car Subwoofers Review
  • Car Subwoofer Size Buying Guide | What Size of Sub Should I Get?

Customer Ratings & Reviews


Earthquake Sound SZ-15 thumbnail image

5 star
67%
4 star
33%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
4.4
Features
5
Design
5
Usability
5

Customer Reviews

Sort by:

Loading...

awesome!

Great sounding sub was amazed at how good it got hit the lows.

By Anonymous on June 10, 2019

27 found this helpful


Heard 2 of these

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.

By Tom on March 6, 2012

28 found this helpful


By david on April 26, 2024

6 found this helpful




GM1482CSB small

Scosche GM1482CSB / GM1482 Dash Kit

Install a new Single-DIN car stereo in select 1992-1994 vehicles from GMC trucks (Cognac Saddle)

$11.99

List price $13.38

HED1000.1 small

Cerwin-Vega HED1000.1

1000W MAX, HED Series Monoblock Class AB Car Amplifier

$99.95

List price $249.99

JVC-CHANGER-CABLE small

JVC CD Changer to Headunit 15 ft. Extension Cable

$34.99

List price $59.99

DPX308U small

Kenwood DPX308U Open Box

In-Dash Double DIN AAC/WMA/MP3 CD Receiver w/ Remote, iPod Direct Control and Variable Illumination

$189.95

List price $250.00

P2L-212 small

Rockford Fosgate P2L-212

Punch Stage 2 Dual 12" Ported Subwoofer Enclosure with 2 12" P2 Subwoofers

(5)

$269.99

List price $449.99

EQ-215_ATM-410_MCL-125 small

Marathon Graphic Equalizer & Microphone Combo

15-Band Stereo Graphic Equalizer + Cardioid Dynamic Vocal Microphone + 25 ft. XLR Microphone Cable

$183.63

List price $306.89

PX200.1 small

Kicker PX200.1 (12PX200.1)

Monoblock Powersports Series Amplifier

$59.00

List price $199.95

UHF-BP1-S small

VocoPro UHF-BP1-S (619.12 MHz)

Optional Bodypack for UHF-3200 / UHF-5800 Wireless Microphone System

$59.00

List price $69.00

ATH-W1000X small

Audio Technica ATH-W1000X

"Grandioso" Closed-Back Audiophile Professional Dynamic Cherrywood Headphones

(1)

$599.95

List price $699.95

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

2005 MINI Cooper

2002 Isuzu Trooper

2006 Honda S2000

2004 BMW 325xi

2010 Volvo V70

1982 Volvo 244

1985 Audi 5000

2022 Mazda MX-5 Miata

2013 Ford Edge

2000 Kia Spectra

Vehicle
Store
Delete

2004 Harley Davidson FXSTD/I Softail Deuce

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.