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MTX TDX40 Thunder Dome Series 4" 2-way speakers

Item # 236TDX40

If you're looking to upgrade from your factory speakers, MTX designed their Thunder Dome series speakers for...

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If you're looking to upgrade from your factory speakers, MTX designed their Thunder Dome series speakers for...

Item # 236TDX40

Shop all MTX 4" Speakers

About the MTX TDX40

Value and performance

If you're looking to upgrade from your factory speakers, MTX designed their Thunder Dome series speakers for efficiency, so they'll give you plenty of performance even when powered by your factory stereo. And MTX made sure that all these speakers deliver extended bass response, from the modest 3-1/2" to the big bruiser of a 6x9". Best of all, they're covered by MTX's unique 5-year warranty.

Value and performance

If you're looking to upgrade from your factory speakers, MTX designed their Thunder Dome series speakers for efficiency, so they'll give you plenty of performance even when powered by your factory stereo. And MTX made sure that all these speakers deliver extended bass response, from the modest 3-1/2" to the big bruiser of a 6x9". Best of all, they're covered by MTX's unique 5-year warranty.

Bigger, fuller sound

The Thunder Dome Series TDX40 4" 2-way speakers deliver a surprisingly full sound, courtesy of a polypropylene woofer cone with a butyl rubber surround. The 1" silk tweeter uses a dome design to improve high-frequency dispersion through your vehicle, bringing out details you might otherwise miss. These speakers handle up to 35 watts RMS, so you crank the tunes up and still get clean sound. Grilles are not included — factory grilles are appropriate for most installations.

Product highlights:

  • 2-way 4" speakers (pair)
  • polypropylene woofer 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
  • depth: 1-13/16"
  • warranty: 5 years (free repair or replacement for 2 years; prorated replacement for years 3 through 5)
  • MFR # TDX40

What's in the box:

  • Two 4" Coaxial 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
  • Warranty information
  • Specifications printed on box

Customer reviews for MTX TDX40

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More details on the MTX TDX40

Pat M.

Features & specs

General
Speaker Size
Design 2-way
Tweeter Design 1" Dome
Impedance (Ohms) 4
Tweeter Composition Silk
Woofer Composition Polypropylene
Woofer Surround Rubber
Parts Warranty 5 Years (3-5 Prorated)
Labor Warranty 5 Years (3-5 Prorated)
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) 0.696
Frame Width 4.051
Frame Length 4.051

Product Research

Features

Woofer Cones: The MTX TDX 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" silk dome tweeter. Silk is lightweight and great for high frequency extension and efficiency.

Warranty: Although the speaker reviewed and measured (taken from our first shipment) included information indicating a 1 year warranty, MTX recently changed to a 5-Year Prorated Warranty with the following terms:

  • Years 1-2: Products found to be defective in materials or workmanship during the first two years will be, at Mitek's option, repaired or replaced by Mitek at no charge. The warranty period does not renew, but continues on from the original date of purchase.
  • Years 3-5: The purchase price of an item which becomes defective after the first two years and prior to the end of the warranty period will be prorated and credited toward the purchase of a new MTX product. The amount of proration is determined by dividing the original purchase price by the number of months in the warranty period (60), then multiplying the result by the number of months remaining in the warranty period.

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