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Earthquake Sound SZ-15

15" Dual 4 Ohm Subzero Series Car Subwoofer

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•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
Was $999.00 Details
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$969.99

 with warranty

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Current Promotions (1 offer)


Get a Free roll of NVX 25 ft. of True Spec 12Gauge EnvyFlex Speaker Wire (100% Oxygen-Free Copper). Simply click the "Add Both to Cart" button and you will see your savings at checkout. This offer cannot be combined with any other coupons or offers.

Earthquake Sound SZ-15

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Priced separately $999 98

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Total price:

$969 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

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 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 (Mounting 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
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



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

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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.

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