Earthquake Sound TREMOR-X104

1000W Max 10" TREMOR-X Series Single 4 ohm Subwoofer

Product videos

• 1000W Peak
• Anti-Wobble Cone Construction
• Turbine Cooled Transducer Technology
• High Current Heavy Duty Stitched Tinsel Leads
• Reinforced Dust Cap
• Military Grade Voice Coil

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Earthquake Sound TREMOR-X104

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Product Highlights

• 1000W Peak
• Anti-Wobble Cone Construction
• Turbine Cooled Transducer Technology
• High Current Heavy Duty Stitched Tinsel Leads
• Reinforced Dust Cap
• Military Grade Voice Coil


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Authorized dealer

Feel the Earth Move and Quake with Tremor-X Subwoofers

The TREMOR-X104 10" single 4 ohm subwoofer by Earthquake Sound is the kind of woofer no car audio enthusiast should be without. Its pressed pulp fiber cone and high-roll rubber surround provide sturdiness, rigidity, and increased performance, while the Turbine Cooled Transducer technology keeps the voice coil at lower temperatures for longer and louder bass reproduction. The woofer also features an anti-wobble cone construction and reinforced dust cap construction for improved linear movement, thus creating a nice steady bass at any volume level. Its spring-loaded terminals offer a quick and simple installation while the thick density magnets offer better efficiency. This Tremor-X series subwoofer has everything you need from a subwoofer and it's even marine compatible for installation on boats, not many other woofers can say that. In today's economy this woofer is the best bang for your buck.

General Features

  • 10" Tremor-X Series Subwoofer
  • Power Handling:
    • Peak: 1000 watts
    • RMS: 300 watts
  • Recommended power range: 150 - 300 watts RMS
  • Impedance: Single 4 ohm
  • Pressed pulp fiber cone
  • High roll surround
  • TCT (Turbine Cooled Transducer) technology
  • Anti-wobble cone construction
  • Military grade voice coil
  • Spring loaded speaker connections
  • High current heavy-duty stitched tinsel leads
  • Reinforced dust cap construction
  • Spring loaded terminals
  • Thick high density magnet
  • Marine compatible construction for installation on boats
  • Sensitivity: 83.8 dB
  • Xmax: 25.4 mm
  • Mounting depth: 5"
  • Cutout dimensions: 9"
  • Authorized Internet Dealer
  • 5-year Manufacturer's warranty
Thiele/Small Parameters
  • Free Air Resonance (Fo): 33.701 Hz
  • Electrical "Q" (Qes): 0.642
  • Mechanical "Q" (Qms): 3.101
  • Total Speaker "Q" (Qts): 0.532
  • Effective Piston Area (Sd): 53.522 sq. in.
  • REVC: 4.0 ohm
  • BL: 13.231 TM
  • VAS: 2.1 cubic feet

Subwoofer Wiring Guide

Wiring Guide to Wire 1 Earthquake Sound TREMOR-X104 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Earthquake Sound TREMOR-X104 Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Earthquake Sound TREMOR-X104 Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 Earthquake Sound TREMOR-X104 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

Specifications & Details

Subwoofer Specifications
Tremor-X Series
Subwoofer Size
Peak Power Handling
1000 watts
RMS Power Handling
300 watts
Voice Coil(s)
Impedance (Per Voice Coil)
4 ohms
83.8 dB
Xmax (millimeters)
25.4 mm
Subwoofer Design
Round / Circle
Main Cone Color
Woofer Composition
Pressed Pulp Fiber
Woofer Surround
High Roll Foam
Subwoofer Grille
Re-Cone Kit Available
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Minimum Sealed Box Volume
0.94 cubic feet
Maximum Sealed Box Volume
0.94 cubic feet
Minimum Ported Box Volume
1.22 cubic feet
Maximum Ported Box Volume
1.22 cubic feet
Top-Mount Depth (Mounting Depth)
Cutout Diameter
Shallow Mount Installation
Electromechanical Parameters
Free-Air Resonance (Fs)
33.70 Hz
Equivalent Compliance (Vas)
59.46 liters
Total Speaker Q Value (Qts)
Electrical Q Value (Qes)
Electrical Resistance of Voice Coil (Re)
4.00 ohms
Mechanical Q Value (Qms)
Warranty and Return Policy
Parts Warranty Duration
5 years
Labor Warranty Duration
5 years
Warranty Provider

Item Details


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Product and How-to Videos

Customer Ratings & Reviews

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Customer Reviews

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perfect for standard cabs

I currently have 2 in a 2.5Cu Ft (total) 1.25Cu Ft (each chamber) sealed box only getting 200w rms each right now for the break in period and they are already louder and clearer then my previous kenwood performer 12in 400w rms which i had in a 2Cu Ft ported box cant wait to finish the 20Hr break in period then really turn them up.

By danger ranger basser on March 12, 2014


found this helpful.


I have had 2 of these for 3 years running on 600 watts. Great bang for the buck!

By Anonymous on March 19, 2019


found this helpful.

Great value

For a low level entry sub they are real nice Sq and Spl. I am still in the break in period so i cant go to hard on them yet but they are definately worth the value. I am running a rockford fosgate 500-1bd to them in a ported 1.22 cu ft Box. Have to say I think im going to try the Dbxi version when im done with these

By Dizzy on September 26, 2015


found this helpful.

Best bang for the buck Would recommend

Excellent sub offer great sound great for the money would recommend good for old-school sound Tate punchy bass

By Richard on October 14, 2017 Checkmark Icon Verified purchase


found this helpful.

A 10" with low end SLAM

I retired my TNT-10S in good nick, for this Tremor-X104. Direct swap with no mods. In a sealed enclosure, this sub is lazy, meaning it takes a lot of wattage to get it slamming, because of its low sensitivity.

But what amazes me on each listen, is the detail it picks up. More defined and musical than I expected. I have 475W rms on it, and it is easily the best sub I've heard for sound quality with high volume. It reproduces all kinds of sharp transitions and never has a mushy blurry sound, always super tight bass that shakes your mirrors and seat.
If your amp has a 40 hz boost, tune it and grin. Amazing how a smaller sub can hit like a hammer. Earthquake Sound made a real value with this one.

By Kyle on September 15, 2017


found this helpful.

I love them

Fast shipping came before eta and no problems would definitely recommend

By TravisK on July 4, 2016


found this helpful.

Earthquake Sound TREMOR-X104

A lot low quality of bass. The only lacking is the punch. I still prefer alpine type s

By Anonymous on July 7, 2018


found this helpful.

By Dale on December 25, 2023 Checkmark Icon Verified purchase


found this helpful.


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