SKU: 5515-22
Sold Individually

15″ 400-Watt RMS Dual 2Ω Car Audio Subwoofer

4.7 (9 reviews)
Availability: In stock
$289.95 MSRP
$249.95

High SPL Subwoofers

55 Series Subwoofers are high SPL subwoofers that deliver the most bass for your buck.

Implementing many of the same features found on our 75 & 95 Series SuperWoofers, the 55 Series can rock hard and loud for extended periods of time, while maintaining accurate and clean bass throughout the party. You will be impressed.

The 5515-22 is a 15″ dual voice coil, 400 watt, 2 ohm subwoofer built on the MTX tradition of getting more than expected. The 55 Series subs are often used in applications where bass levels are the most important factor. These subwoofers are designed to move air and go boom! They are true monsters of bass and are a great choice for anyone that really wants to be heard.

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5515-22 Subwoofer

The 55 Series Legacy

The 55 Series, MTX's best selling subwoofer family, is a perfect mix of performance and value for enthusiasts that want to add extreme bass to their system without breaking the bank. We have squeezed an oversized cone into the standard 10", 12" and 15" frames, so the sub moves more air and gives you more bass. The woofer's movement cools the sub as it plays, so it doesn't overheat when you're rocking out. The special suspension exerts extra control when you're pushing the sub hard. Some would say that we've once again out done ourselves, but it only gets better and better.

If you want to have the best sounding, loud and pounding bass around and not break the bank, then the 55 Series is your subwoofer. Whether you have space for 10, 12 or 15 inch, we have the Bass For you!

5515-22 Subwoofer

The MTX Inverted Apex Surround

This subwoofer features the MTX Inverted Apex Surround. This is a departure from a traditional half roll surround. The Inverted Apex is narrower thereby increasing the surface diameter of the subwoofer cone enabling it to displace more air and generate higher SPL. The 55's are designed with a progressive suspension that lowers distortion resulting in improved sound quality even at high volume.

5515-22 Subwoofer

55 Series Spider Plateau Venting

This subwoofer also incorporates Spider Plateau Venting which is a mechanical cooling process that targets cool air at the voice coil and a radial ribbed t-yoke that acts as a heat sink effectively managing the subwoofer temperature for long term rocking performance.

Subwoofer Wiring Calculator

Learn how to properly wire your subwoofers with this easy subwoofer wiring diagram tool.

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Dimensions & Details


Dimensions

  • A - Total Diameter:      15 ⁷⁄₁₆" (392.10mm)
  • B - Driver Diameter:    13 ½" (342.90mm)
  • C - Total Depth:            8 ⁵⁄₁₆" (211.11mm)
  • D - Mounting Depth:   7 ¹⁵⁄₁₆" (201.60mm)
  • E - Cut Out Diameter:  13 ⅞" (352.40mm)

What's in the Box

  • Subwoofer
  • Technical Data Sheet

Features

• 15-inch Dual 2Ω Subwoofer
• 400 Watts RMS Power Handling
• Stamped Steel Basket
• Inverted Apex Surround
• Spider Plateau Venting
• Integrated T-Yoke Heat Sink
• 2.0" Copper Voice Coil

SPECIFICATIONS

  • Sensitivity: 85.4 dB
  • Voice Coil: 2" (5.08 cm)
  • Impedance: Dual 2Ω
  • Magnet Weight: 49 oz
  • Recommended Amp Power (RMS): 200 - 400
  • Frequency Response: 19Hz - 130Hz
  • Mounting Depth: 7.937" (20.16 cm)
  • Cut Out Diameter: 13.875" (35.243 cm)
  • Volume Displacement: 85.43 cu in
  • Sealed Enclosure Net Internal Volume: 1.75 cu ft
  • Vented Enclosure Net Internal Volume: 2.75 cu ft

Downloads

Reviews

  • Jacob A. reviewed on 12/19/2025 5:10 AM
    Sku: 5515-22
    Hits Hard
    this subwoofer sounds amazing!!
    0
  • Rajesh Kannan reviewed on 10/14/2023 5:00 PM
    Reviewed on Amazon
    Sku: 5515-22
    Very good for the price range
    Very good and satisfied the quality and price
    0
  • Ronald reviewed on 3/2/2023 5:00 PM
    Reviewed on Crutchfield
    Sku: 5515-22
    MTX 5515-22
    I had a Audio Legion 15" subwoofer but to me i wasn't getting good musical details until i switched to the MTX 55 series and i noticed greater musical details in the notes of the jazz,reggae and other music but I had it installed in a sealed box which i added better bracing inside along with a Hushmat Wave breaker kit.
    0
  • Tishaun reviewed on 9/22/2020 5:00 PM
    Reviewed on Crutchfield
    Sku: 5515-22
    MTX 5515-22
    Very good sub for your buck. I got 2 15" in a ported box tuned to 45htz on a Kenwood kac-9105d 1800max 900rms and it keeps up with some of the bigger names.
    0
  • Crutchfield customer reviewed on 5/10/2020 5:00 PM
    Reviewed on Crutchfield
    Sku: 5515-22
    MTX 5515-22
    Sounds good
    0
  • Amazon Customer reviewed on 3/4/2017 5:00 PM
    Reviewed on Amazon
    Sku: 5515-22
    Hands down the best 15 ive ever had i love it it gets low and can take 800 watts all day
    0

Returns & Warranty

30-Day Money-Back Guarantee

At MTX Audio, we are serious about sound®. Therefore, if you are not "blown away" with your purchase, for any reason, you can return any items purchased directly from MTX.com that are complete and like new within 30 days. Products purchased from authorized MTX retailers must be returned through that same retailer. Products purchased through non-authorized MTX retailers may not be returned.

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Warranty Information

MTX products purchased in the USA from an authorized MTX dealer are guaranteed against defects in material and workmanship for the period of time specified below, the warranty period begins the day the product is purchased by the end user. This warranty is limited to the original retail purchaser of product and extends only to products purchased from authorized MTX resellers. Product found to be defective during that period will be repaired or replaced by MTX at no charge.

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