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MTX Thunder40 Thunder Dome Series 4" 2-way speakers

Item # 236THND40

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Item # 236THND40

About the MTX Thunder40

Alexander H.
Thunder Dome Series

Speakers for the real world

MTX doesn't make speakers that only deliver the goods in a sound lab. These affordable MTX Thunder Dome Series Thunder40 4" coaxial speakers feature a durable polypropylene woofer cone and soft dome tweeter that are built to sustain the weather and wear that come with living in your car full-time.

Built to handle up to 35 watts RMS, these speakers will outshine your old factory speakers by a long shot, and MTX backs that up with a 2-year warranty.

Grilles are not included; the factory grilles should be suitable for most applications.

Highlights:

  • 2-way car speakers (pair)
  • 4" polypropylene cone with rubber surround
  • 1" silk dome tweeter
  • power range: 2-35 watts RMS (70 watts peak power)
  • frequency response: 75-20,000 Hz
  • sensitivity: 92 dB
  • impedance: 4 ohms
  • woofer mounting depth: 1-13/16"
  • grilles not included
  • warranty: 2 years
  • MFR # THUNDER40

What's in the box:

  • Two 2-way speakers
  • Two 6" Lengths of speaker wire (each has female quick-slides on one end and bare wire on the other)
  • Eight 1" Self-tapping screws
  • 8 Speed clips
  • Cardboard template
  • Specifications printed on box

Scratch & Dent items may be missing non-essential accessories. In some cases the manufacturer's accessories have been replaced with generic equivalents.

See the difference between "Open Box" and "Scratch & Dent" Outlet items

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More details on the MTX Thunder40

Pat M.

Features & specs

General
Speaker Size 4
Design 2-way
Tweeter Design 1" Dome
Impedance (Ohms) 4
Tweeter Composition Silk
Woofer Composition Polypropylene
Woofer Surround Rubber
Parts Warranty 2 Years
Labor Warranty 2 Years
Specifications
Sensitivity (1W at 1 meter) N/A
Sensitivity at 2.83 volts 92
Frequency Response 75 - 20k Hz
Minimum RMS Wattage 2
Maximum RMS Wattage 35
Peak Power Handling (Watts) 70
Top-mount Depth (Inches) 1 13/16
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 3 13/16
Mounting Height (Inches) 0.616
Frame Width 4.047
Frame Length 4.047

Product Research

Features

Woofer Cones: The MTX Thunder Series speakers feature durable and rigid polypropylene woofer cones. Polypropylene is also resistant to the moisture and temperature extremes found in automotive applications.

Tweeters: Each speaker features a 1" treated silk dome tweeter. Silk is lightweight and great for high frequency extension and efficiency.

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