SKU: RTX88
Sold Individually

8" 150-Watt RMS 8Ω Midbass Driver

5.0 (10 reviews)
Availability: Out of stock
$69.95 MSRP
$59.95

Professional Style Drivers

The Road THUNDER Extreme Series uses PA system technology to bring concert level sounds to your ride includes professional style bullet tweeters and mid bass drivers designed to deliver exceptional volume and frequency response.

The RTX88 is a 8" driver designed to specifically produce mid bass frequencies. This type of speaker is ideal for use in installations that include subs producing high amounts of low frequency bass. The mid bass driver fills in the sound frequencies that the subwoofer does not.

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RTX88 Speaker

Crank It Up

Are you looking to play your music loud? If so, then you'll want to have the Road THUNDER Extreme Series, which use PA System Technology to bring concert level sounds to your ride. Professional style bullet tweeters and midbass drivers designed to deliver exceptional volume and frequency response. And, Believe us- this incredibly efficient series will give you PLENTY OF VOLUME if you feed it with some SERIOUS POWER!

"SERIOUS ABOUT SOUND" and "SERIOUS ABOUT POWER"...

RTX88 Speaker

RoadThunder Extreme RTX88 Key Features

  • High Efficiency Treated Paper Cone
  • High Sensitvity for High SPL
  • Single 8Ω Impedance Voice Coil

Dimensions & Details

Dimensions

  • A - Speaker Total Diameter:              8.23" (209mm)
  • B - Speaker Mounting Diameter:     7.18" (182.37mm)
  • C - Speaker Total Depth:                   3.23" (81.95mm)
  • D - Speaker Mounting Depth:          2.95" (74.93mm)

What's in the Box

  • Loudspeaker Single
  • Technical Data Sheet

Features

• 8-inch 4Ω Midbass Driver
• 150 Watt RMS Power Handling
• High Efficiency Treated Paper Woofers
• Titanium Diaphragm Bullet Tweeters
• Stamped Steel Basket
• PA System Technology
• Single 8Ω Impedance Voice Coil

SPECIFICATIONS

  • RMS Power (Watts): 150
  • Sensitivity: 94.0dB
  • Frequency Response: 82Hz - 6kHz
  • Cone Material: Treated Paper
  • Crossover: NA
  • Grille Included: No
  • Cut Out Diameter: 7.178"
  • Woofer Mounting Depth: 2.95"
  • Outside Diameter: 8.23"
  • Warranty Period: 12 months from date of purchase

Downloads

Reviews

  • Amazon Customer reviewed on 2/7/2025 5:00 PM
    Reviewed on Amazon
    Sku: RTX88
    Loud and lasted for years. I purchased it in 2011 and just took 6 of them out of my truck in FEB 2025. Loud and nicely priced.
    0
  • Robert reviewed on 3/8/2022 5:00 PM
    Reviewed on Crutchfield
    Sku: RTX88
    MTX RTX88
    Had a blown speaker in an older tower speaker, bought 2 of these and replaced them in each tower, brought the pair of tower speakers back to life, wonderful sound..
    0
  • Francis reviewed on 3/6/2022 5:00 PM
    Reviewed on Crutchfield
    Sku: RTX88
    MTX RTX88
    Good sound
    0
  • Crutchfield customer reviewed on 8/6/2020 5:00 PM
    Reviewed on Crutchfield
    Sku: RTX88
    MTX RTX88
    Bought this to replace factory subwoofer in 2002 chevy suburban. Fit great, just needed to drill some new holes. Got a deal for this price. Sound is much better than factory speaker.
    0
  • Crutchfield customer reviewed on 5/30/2020 5:00 PM
    Reviewed on Crutchfield
    Sku: RTX88
    Perfect for in-home stereo system fixes too
    Awesome!! I ordered one to replace a broken woofer in my Realistic Solo 3's. This was the perfect replacement it sounds amazing now!
    0
  • Crutchfield customer reviewed on 7/26/2019 5:00 PM
    Reviewed on Crutchfield
    Sku: RTX88
    5 Stars
    Great Sub excellent bass at an excellent price. Note this is an 8 ohm Subwoofer not a 4.
    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.

About Returns
Warranty Information

The warranty for RTX88 is 12 months from the date of purchase.

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.

About Our Warranty