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MTX PROXP-20RC-THUNDER3

3 Speaker Audio System Upgrade Kit for select 2020-2021 RZR PRO XP 4 Ultimate / 4 Premium / 4 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 2020-2021 RZR PRO XP 4 Ultimate / 4 Premium / 4 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 2020-2021 RZR PRO XP 4 Ultimate / 4 Premium / 4 with Ride Command for seamless integration
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

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$2,369.95

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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 2020-2021 RZR PRO XP 4 Ultimate / 4 Premium / 4 with Ride Command for seamless integration
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

MTX Terminator TN3004

300W RMS Class D Terminator Series 4 Channel Car Amplifier

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300W RMS Class D Terminator Series 4 Channel Car Amplifier

• 50 watts x 4 channel + @ 4 ohm
• 75 watts x 4 channel + @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm + @ 2 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

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$299.95

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Available Offers (2) for MTX Terminator TN3004
FREE Belva Amp Kit at Checkout!
Save 30% off an NVX XKIT84 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT84 Amp Kit! No code needed — discount applies automatically at checkout.
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MTX Thunder TH2500.1

2500W RMS Class D Thunder Series Monoblock Car Amplifier with Bass Remote

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2500W RMS Class D Thunder Series Monoblock Car Amplifier with Bass Remote

• 1000 watts x 1 channel @ 4 ohm
• 1750 watts x 1 channel @ 2 ohm
• 2500 watts x 1 channel @ 1 ohm
• Total RMS Power: 2500 watts
• Class D 1 ohm Stable Monoblock Amplifier

Save 30% off an NVX XKIT02 Amp Kit at Checkout!
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Shop items below for 30% off up to $100 discount on Save 30% off an NVX Amp Kit!

NVX XKIT02

$179.99

$125.99

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MTX PROXP-20RC-THUNDER-W

Loaded Single 10" Vented Enclosure and Monoblock Amplifier Add-on Kit for select 2020-2022 vehicles from Polaris with Ride Command

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Loaded Single 10" Vented Enclosure and Monoblock Amplifier Add-on Kit for select 2020-2022 vehicles from Polaris with Ride Command

• 10" Amplified Loaded Subwoofer Add-on System
• 400 watts RMS
• Includes one MTX MUD600-1 amplifier
• Variable bass boost
• Wired remote bass level control

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• 10" Amplified Loaded Subwoofer Add-on System
• 400 watts RMS
• Includes one MTX MUD600-1 amplifier
• Variable bass boost
• Wired remote bass level control

MTX F-150C-09L

250W RMS Loaded Single 10" Sealed Enclosure for select 2009-2015 F-150

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250W RMS Loaded Single 10" Sealed Enclosure for select 2009-2015 F-150

• Sealed enclosure with 1 10" MTX ThunderForm Series Subwoofer
• 250 watts RMS
• Final Impedance: 4-ohm
• Dimensions: 14-1/4" L x 7-7/8" H x 28-7/8" W

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$599.95

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MTX MUD100-4

800W Peak (400W RMS) Class D MUD Series 4 Channel Marine and Powersports Amplifier

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800W Peak (400W RMS) Class D MUD Series 4 Channel Marine and Powersports Amplifier

• 50 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $379.95
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Used from: $273.42

MTX Audio Thunderform F150C04C12-TN (Charcoal, Loaded)

12" 4 ohm Loaded Vehicle Specific Thunderform Subwoofer Enclosure for select 2004-2008 F-150

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12" 4 ohm Loaded Vehicle Specific Thunderform Subwoofer Enclosure for select 2004-2008 F-150

• Loaded 12" Subwoofer Enclosure Custom-Fit for 2004-2007 Ford F-150 Pickup
• 400W Max
• 200W RMS
• Polypropylene Woofer Cone • Rubber Surround
• 28oz. Magnet Structure

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$599.95

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MTX WET65-W

260W Peak (130W RMS) 6.5" WET Series 2 Way Coaxial 4-ohm Marine Speakers with White Grilles

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260W Peak (130W RMS) 6.5" WET Series 2 Way Coaxial 4-ohm Marine Speakers with White Grilles

• 130 watts Peak Each, 65 watts RMS Each
• Teteron Dome Tweeter
• Polypropylene Material
• Impedance: 4 ohm
• Mounting Depth: 2.4"

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• 130 watts Peak Each, 65 watts RMS Each
• Teteron Dome Tweeter
• Polypropylene Material
• Impedance: 4 ohm
• Mounting Depth: 2.4"

Limited time!

MTX Audio THUNDER52

180W Peak (90W RMS) 5.25" Thunder Series 2 Way Coaxial 4-ohm Speakers

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180W Peak (90W RMS) 5.25" Thunder Series 2 Way Coaxial 4-ohm Speakers

• 45 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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$119.95 /pair

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MTX C1500EX-07L

250W RMS Loaded Single 10" Sealed Enclosure for select 2007-2013 vehicles from Chevrolet, GMC

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250W RMS Loaded Single 10" Sealed Enclosure for select 2007-2013 vehicles from Chevrolet, GMC

• Sealed enclosure with 1 10" MTX ThunderForm Series Subwoofer
• 250 watts RMS
• Final Impedance: 4-ohm
• Dimensions: 8" L x 16.31" H x 20.75" W

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$599.95

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MTX Audio Thunderform F-150EX-09L

250W RMS Loaded Single 10" Sealed Truck Enclosure for select 2009-2015 F-150

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250W RMS Loaded Single 10" Sealed Truck Enclosure for select 2009-2015 F-150

• Sealed enclosure with 1 10" MTX ThunderForm Series Subwoofer
• 250 watts RMS
• Final Impedance: 4-ohm
• Dimensions: 36-1/3" L x 7-1/4" H x 14-1/8" W

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MTX Audio Thunderform F150C04BK12-TN (Black, Loaded)

12" Loaded Sub Enclosure Custom-Fit for select 2004-2008 F-150 (STX, XL, XLT, Base, FX4, Lariat)

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12" Loaded Sub Enclosure Custom-Fit for select 2004-2008 F-150 (STX, XL, XLT, Base, FX4, Lariat)

• Loaded 12" Subwoofer Enclosure Custom-Fit for 2004-2007 Ford F-150 Pickup
• 400W Max
• 200W RMS
• Polypropylene Woofer Cone
• Rubber Surround
• 28oz. Magnet Structure

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MTX MUD50-2

200W Peak (50W RMS) Class D MUD Series 2 Channel Marine and Powersports Amplifier

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200W Peak (50W RMS) Class D MUD Series 2 Channel Marine and Powersports Amplifier

• 25 watts x 4 channel @ 4 ohm
• 50 watts x 4 channel @ 2 ohm
• Bridged: @ 4 ohm
• Total RMS Power: 100 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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• 25 watts x 4 channel @ 4 ohm
• 50 watts x 4 channel @ 2 ohm
• Bridged: @ 4 ohm
• Total RMS Power: 100 watts
• Class D 2 ohm Stable 2-Channel Amplifier

MTX TERMINATOR5

140W Peak (70W RMS) 5.25" Terminator Series 2 Way Coaxial 4-ohm Speakers

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140W Peak (70W RMS) 5.25" Terminator Series 2 Way Coaxial 4-ohm Speakers

• 70 watts Peak Each, 35 watts RMS Each
• Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85.3 dB

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List price $69.95
-14% $59.95 /pair

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MTX 5510-22

800W Peak (400W RMS) 10" 55 Series Dual 2-ohm Car Subwoofer

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800W Peak (400W RMS) 10" 55 Series Dual 2-ohm Car Subwoofer

• Peak Power: 800 watts
• RMS Power: 400 watts
• Impedance: Dual 2 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 5.625"
• Sensitivity: 83.1 dB

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$169.95

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MTX Audio Thunderform C1500C-07L

Loaded 10" 4 ohm Thunderform Subwoofer Enclosure for select 2007-2016 vehicles from Chevrolet, GMC

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Loaded 10" 4 ohm Thunderform Subwoofer Enclosure for select 2007-2016 vehicles from Chevrolet, GMC

• Loaded 10" Enclosure
• Fits: 2007-2016 Silverado / Sierra CREW CAB

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$599.95

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MTX Audio THUNDER65

120W RMS 6.5" Thunder Series 2 Way Coaxial 4-ohm Speakers

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120W RMS 6.5" Thunder Series 2 Way Coaxial 4-ohm Speakers

• 60 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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List price $169.99
-18% $139.95 /pair

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MTX Thunder TH1500.1

1500W RMS Class D Thunder Series Monoblock Car Amplifier with Bass Remote

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1500W RMS Class D Thunder Series Monoblock Car Amplifier with Bass Remote

• 500 watts x 1 channel @ 4 ohm
• 1000 watts x 1 channel @ 2 ohm
• 1500 watts x 1 channel @ 1 ohm
• Total RMS Power: 1500 watts
• Class D 1 ohm Stable Monoblock Amplifier

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List price $729.95
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Available Offers (2) for MTX Thunder TH1500.1
FREE NVX 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.

MTX RTX3000.1

3000W RMS Class D RTX Series Monoblock Car Amplifier with Bass Remote

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3000W RMS Class D RTX Series Monoblock Car Amplifier with Bass Remote

• 1000 watts x 1 channel @ 4 ohm
• 2000 watts x 1 channel @ 2 ohm
• 3000 watts x 1 channel @ 1 ohm
• Total RMS Power: 3000 watts
• Class D 1 ohm Stable Monoblock Amplifier

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List price $1149.95
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• 1000 watts x 1 channel @ 4 ohm
• 2000 watts x 1 channel @ 2 ohm
• 3000 watts x 1 channel @ 1 ohm
• Total RMS Power: 3000 watts
• Class D 1 ohm Stable Monoblock Amplifier

MTX GENERALFRC

Polaris General OEM to Aftermarket Adapter

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Polaris General OEM to Aftermarket Adapter

• Polaris General OEM to Aftermarket Adapter
• Allows connection of aftermarket amplifiers and speakers
• Designed for use with MTX 2881115 Soundbar

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-12% $43.95

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Ships in 10-14 days

• Polaris General OEM to Aftermarket Adapter
• Allows connection of aftermarket amplifiers and speakers
• Designed for use with MTX 2881115 Soundbar

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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
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.