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Earthquake T40

400W Peak 4” TNT Series 2-Way Coaxial Car Speakers

Earthquake Sound
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• 200 watts Peak Each
• 1-3/16" Mylar Dome Tweeters
• Low Mass Poly Injection cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

Learn more about the t40

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This item has been discontinued


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Description


Earthquake Sound brand icon

Authorized dealer

Product Details:

  • 4" TNT Series 2-way Coaxial Car Speakers
  • Power Handling:
    • Peak: 400 watts per pair / 200 watts each
  • Low Mass Poly Injection cone material
  • Butyl Rubber speaker surround
  • 1-3/16" Mylar Dome Tweeters
  • High flow ventilation stamped
  • Steel basket design
  • NOMEX / ROMEX spider assembly
  • Expanded wide surround
  • 12dB/octave crossover
  • Shallow mount design
  • Increases factory system SPL
  • Impedance: 4 ohm
  • Frequency Response: 105 - 20000 Hz
  • Sensitivity: 86 dB
  • Grilles included
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Per Pair


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Specifications & Details


Speaker Specifications
Series
TNT Series
Priced Per
Pair
Number of Speakers
2
Speaker Size
4"
Design
2-way Coaxial
Tweeter Design
Dome
Tweeter Size
1-3/16"
Tweeter Composition
Mylar
Woofer Composition
Low Mass Poly Injection
Woofer Surround
Butyl Rubber
Peak Power Handling
200 watts
Total PEAK Per Pair/Set
400 watts
Sensitivity
86 dB
Frequency Response
105 - 20000 Hz
Impedance (Per Voice Coil)
4 ohm
Shallow Mount Installation
Yes
Bottom-Mount Depth
1-15/16"
CTA-2031 Compliant
No
General specifications
Marine Certified
No
Hi-Res Certified
No
Color
Black
Illumination
None
Speaker Grilles
Yes
What is in the box?
Paperwork
User manual
Warranty/Registration card
WITB: Speakers
Speakers (2)
Grilles (2, attached)
Mounting screws (8)
Mounting clips (8)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

T40-2

Weight:

2.00lbs

Internal SKU:

t40

Internal Product ID:

77290

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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.