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MTX 5512-44

800W Peak (400W RMS) 12" 55 Series Dual 4-ohm Car Subwoofer

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800W Peak (400W RMS) 12" 55 Series Dual 4-ohm Car Subwoofer

• Peak Power: 800 watts
• RMS Power: 400 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 6.188"
• Sensitivity: 85.7 dB

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$189.95

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MTX 3512-04

500W Peak (250W RMS) 12" 35 Series Single 4-ohm Car Subwoofer

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500W Peak (250W RMS) 12" 35 Series Single 4-ohm Car Subwoofer

• Peak Power: 500 watts
• RMS Power: 250 watts
• Impedance: Single 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 5.313"
• Sensitivity: 86 dB

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$129.95

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Used from: $103.96

MTX RZR-14-SW

Includes 10" 400W RMS Subwoofer, Custom Box & Mounting Hardware

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Includes 10" 400W RMS Subwoofer, Custom Box & Mounting Hardware

• Sealed or Ported Functionality
• QuIPS (Quick Install Port Seal) Technology
• Mounts Behind Dashboard on Passenger Side
• Factory Matched Texture
• Installer Friendly Design
• Direct OEM Fit, No Cutting or Drilling Required

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$699.95

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MTX RTX6 (Sold Individually)

125W RMS 6.5" Road Thunder Extreme Series Pro Audio Mid-bass 4-ohm Speaker

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125W RMS 6.5" Road Thunder Extreme Series Pro Audio Mid-bass 4-ohm Speaker

• 125 watts RMS Each
• Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97.2 dB

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List price $69.95
-14% $59.95

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MTX TERMINATOR35

80W Peak (40W RMS) 3.5" Terminator Series 2 Way Coaxial 4-ohm Car Speakers

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80W Peak (40W RMS) 3.5" Terminator Series 2 Way Coaxial 4-ohm Car Speakers

• 40 watts Peak Each, 20 watts RMS Each
• Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

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Save up to $12 on install kits for this speaker

List price $59.95
-17% $49.95 /pair

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MTX 5515-44

800W Peak (400W RMS) 15" 55 Series Dual 4-ohm Car Subwoofer

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800W Peak (400W RMS) 15" 55 Series Dual 4-ohm Car Subwoofer

• Peak Power: 800 watts
• RMS Power: 400 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 8.00"
• Sensitivity: 85.4 dB

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$249.95

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MTX 3510-02

500W Peak (250W RMS) 10" 35 Series Single 2-ohm Car Subwoofer

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500W Peak (250W RMS) 10" 35 Series Single 2-ohm Car Subwoofer

• Peak Power: 500 watts
• RMS Power: 250 watts
• Impedance: Single 2 ohm
• Polypropylene Cone
• Nitrile Butadiene Rubber NBR Surround
• Mount depth: 4.625"
• Sensitivity: 83.2 dB

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$109.95

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MTX PROXP-20-CORE

Amplifier Mounting Plate and Harness Kit for 2020-up Polaris RZR Pro XP Vehicles

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Amplifier Mounting Plate and Harness Kit for 2020-up Polaris RZR Pro XP Vehicles

• Amplifier mounting plate and harness kit
• Pe-amp and speaker wiring harnesses included
• Compatible with 2020-up Polaris RZR Pro XP vehicles

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List price $329.95
-9% $299.95

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• Amplifier mounting plate and harness kit
• Pe-amp and speaker wiring harnesses included
• Compatible with 2020-up Polaris RZR Pro XP vehicles

MTX TN1000.1

1000W RMS Class D Terminator Series Monoblock Car Amplifier with Bass Remote

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1000W RMS Class D Terminator Series Monoblock Car Amplifier with Bass Remote

• 400 watts x 1 channel @ 4 ohm
• 700 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable Monoblock Amplifier

2+ offers available
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List price $439.95
-9% $399.95

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Available Offers (2) for MTX TN1000.1
FREE Belva Amp Kit at Checkout!
Save 30% on an NVX XKIT42 Amp Kit with Purchase! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT42 Amp Kit! No code needed — discount applies automatically at checkout.

• 400 watts x 1 channel @ 4 ohm
• 700 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable Monoblock Amplifier

MTX TERMINATOR6

180W Peak (90W RMS) 6.5" Terminator Series 2 Way Coaxial 4-ohm Speakers

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180W Peak (90W RMS) 6.5" Terminator Series 2 Way Coaxial 4-ohm Speakers

• 90 watts Peak Each, 45 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.8 dB

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Save up to $16 on install kits for this speaker

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List price $69.95
-14% $59.95 /pair

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MTX RTX8 (Sold Individually)

300W RMS 8" Road Thunder Extreme Series Pro Audio Mid-bass 4-ohm Speakers

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300W RMS 8" Road Thunder Extreme Series Pro Audio Mid-bass 4-ohm Speakers

• 150 watts RMS Each
• Treated Paper cone material
• Large magnet attached to a stamped steel basket
• Impedance: 4 ohm
• Sensitivity: 97.7 dB

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Install kits available for most vehicles

List price $69.95
-14% $59.95

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MTX RTX1600.4

1600W RMS Class D RTX Series 4-Channel Car Amplifier

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1600W RMS Class D RTX Series 4-Channel Car Amplifier

• 250 watts x 4 channel @ 4 ohm
• 400 watts x 4 channel @ 2 ohm
• Bridged: 800 watts x 2 channel @ 4 ohm
• Total RMS Power: 1600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $799.95
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• 250 watts x 4 channel @ 4 ohm
• 400 watts x 4 channel @ 2 ohm
• Bridged: 800 watts x 2 channel @ 4 ohm
• Total RMS Power: 1600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

MTX WET75-4

200W Peak (100W RMS) Class AB Wet Series 4 Channel Marine Amplifier

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200W Peak (100W RMS) Class AB Wet Series 4 Channel Marine Amplifier

• RMS Power: 75W x 4 @ 4 ohm, 100W x 4 @ 2 ohm
• Total Peak Power: 400W
• Plastic Cover Over Control-Adjustments
• Dimensions: 12.15"W x 6.40"L x 2.25"H

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• RMS Power: 75W x 4 @ 4 ohm, 100W x 4 @ 2 ohm
• Total Peak Power: 400W
• Plastic Cover Over Control-Adjustments
• Dimensions: 12.15"W x 6.40"L x 2.25"H

MTX PROXP-20-FS

150W Peak (75W RMS) 6.5" 2 Way Component 3.4-ohm Front Speaker Pods for select 2020-2024 vehicles from Polaris

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150W Peak (75W RMS) 6.5" 2 Way Component 3.4-ohm Front Speaker Pods for select 2020-2024 vehicles from Polaris

• 150 watts Peak Each, 75 watts RMS Each
• Teteron Dome Tweeters
• Impedance: 3.4 ohm
• Sensitivity: 92 dB

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$499.95

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• 150 watts Peak Each, 75 watts RMS Each
• Teteron Dome Tweeters
• Impedance: 3.4 ohm
• Sensitivity: 92 dB

MTX TN500.1

500W RMS Class D Terminator Series Monoblock Car Amplifier with Bass Remote

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500W RMS Class D Terminator Series Monoblock Car Amplifier with Bass Remote

• 300 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier

2+ offers available
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List price $309.95
-10% $279.95

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Available Offers (2) for MTX TN500.1
FREE Belva Amp Kit at Checkout!
Save 30% off an NVX XKIT82 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT82 Amp Kit! No code needed — discount applies automatically at checkout.

• 300 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier

MTX TERMINATOR69S

240W Peak (120W RMS) 6x9" Terminator Series 2-Way 4-ohm Shallow Component Car Speakers

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240W Peak (120W RMS) 6x9" Terminator Series 2-Way 4-ohm Shallow Component Car Speakers

• 120 watts Peak Each, 60 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90.0 dB

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Save $13 on install kits for this speaker

List price $129.95
-8% $119.95 /set

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Only 2 Left!

• 120 watts Peak Each, 60 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90.0 dB

MTX Audio RZR-14RC-THUNDER3

3 Speaker Audio System Upgrade Kit for select 2018-2019 RZR XP 1000 EPS Ride Command Edition / 4 1000 EPS Ride Command Edition (with Ride Command) Includes 6.5" Speaker Kick Panel Pods, Loaded 10" Marine Enclosure, and Two Marine Amplifiers

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3 Speaker Audio System Upgrade Kit for select 2018-2019 RZR XP 1000 EPS Ride Command Edition / 4 1000 EPS Ride Command Edition (with Ride Command) Includes 6.5" Speaker Kick Panel Pods, Loaded 10" Marine Enclosure, and Two Marine Amplifiers

• Includes two 6.5" marine speakers, two marine amplifiers and a loaded 10" marine enclosure
• Direct fit for a hassle-free installation, fitting perfectly into select 2018-2019 RZR XP 1000 EPS Ride Command Edition / 4 1000 EPS Ride Command Edition with Ride Command for seamless integration
• System is designed to withstand harsh outdoor environments
• Integrated LED controller provides endless customization of your included RGB lighting
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

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$2,099.95

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• Includes two 6.5" marine speakers, two marine amplifiers and a loaded 10" marine enclosure
• Direct fit for a hassle-free installation, fitting perfectly into select 2018-2019 RZR XP 1000 EPS Ride Command Edition / 4 1000 EPS Ride Command Edition with Ride Command for seamless integration
• System is designed to withstand harsh outdoor environments
• Integrated LED controller provides endless customization of your included RGB lighting
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

MTX Audio MUDSYS41

280W Peak 4-Speaker Bluetooth Overhead UTV Audio System

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280W Peak 4-Speaker Bluetooth Overhead UTV Audio System

• Peak Power: 280 watts
• Built-in amplifier
• Weatherproof IPX-6 Rating
• (4) 6-1/2" 2-way Coaxial speakers
• USB playback and charging
• AUX input for smartphones and MP3
• Dimensions: 40.5" W x 8.5" H x 4.125" D

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Used from: $510.97

• Peak Power: 280 watts
• Built-in amplifier
• Weatherproof IPX-6 Rating
• (4) 6-1/2" 2-way Coaxial speakers
• USB playback and charging
• AUX input for smartphones and MP3
• Dimensions: 40.5" W x 8.5" H x 4.125" D

MTX 3510-04S

300W RMS 10" 35 Series Single 4-ohm Shallow Car Subwoofer

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300W RMS 10" 35 Series Single 4-ohm Shallow Car Subwoofer

• RMS Power: 300 watts
• Impedance: Single 4 ohm
• Polypropylene Cone
• Mount depth: 3.375"
• Sensitivity: 83.7 dB

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$149.95

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MTX SLH10S

Empty Single 10" Ported Sledgehammer Enclosure

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Empty Single 10" Ported Sledgehammer Enclosure

• 10" Single Ported Subwoofer Enclosure
• Medium Density Fiberboard (MDF) construction
• Total box volume: 1.2 cubic feet
• Mounting hardware included

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$139.95

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    ALL MTX STORE CATEGORIES

    MTX Audio is a high-end manufacturer of car, boat, and home audio products. They offer a wide selection of audio products and accessories to satisfy all of your audio needs. They are well known for producing top notch amplifiers and subwoofers, as well as other professional audio equipment. Some of their most outstanding products imclude the classic 75 Series round subwoofers, powerful Thunder Series amplifiers, the Thunder Series car speakers, and the hidden vehicle specific ThunderForm enclosures. MTX Audio also provides an entire line of installation accessories under the company Streetwires.

    Founded in 1979 by Loyd Ivey, MTX Audio has grown from a small speaker company into a huge audio manufacturing company. They have several facilities located across the United States. Sonic Electronix is proud to be an authorized online MTX dealer, carrying their full lines of car audio products with the best warranty available.

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    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
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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
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.