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MTX PROXP-20RC-THUNDER5

5 Speaker Audio System Upgrade Kit for select 2020-2021 RZR PRO XP 4 Premium / 4 Ultimate / 4 Includes 6.5" Speaker Kick Panel Pods, 6.5" Tower Speakers, Loaded 10" Marine Enclosure, and Two Marine Amplifiers

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5 Speaker Audio System Upgrade Kit for select 2020-2021 RZR PRO XP 4 Premium / 4 Ultimate / 4 Includes 6.5" Speaker Kick Panel Pods, 6.5" Tower Speakers, Loaded 10" Marine Enclosure, and Two Marine Amplifiers

• Includes two 6.5" marine speakers, two 6.5" tower 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 Premium / 4 Ultimate / 4 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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$2,749.95

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Ships in 10-14 days

• Includes two 6.5" marine speakers, two 6.5" tower 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 Premium / 4 Ultimate / 4 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

Limited time!

Rockford Fosgate Power T3 T3652-S

500W Peak (250W RMS) 6.5" T3 Power Series 2 Way Component 4-ohm Speaker System

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500W Peak (250W RMS) 6.5" T3 Power Series 2 Way Component 4-ohm Speaker System

• 250 watts Peak Each, 125 watts RMS Each
• 1" Silk Dome tweeters
• Liquid Crystal Polymer (LCP) cone material
• Impedance: 4 ohm
• Sensitivity: 87.5 dB

Free Speaker Accessory Kit at Checkout!
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$1,299.99 /set

Available

Ships in 10-14 days

Used from: $1,104.99

Cerwin-Vega H7462

550W Peak (80W RMS) 4x6" HED Series 2-Way 4-ohm Coaxial Car Speakers

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550W Peak (80W RMS) 4x6" HED Series 2-Way 4-ohm Coaxial Car Speakers

• 275 watts Peak Each, 40 watts RMS Each
• 1" PEI (Polyetherimide) Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

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Install kits available for most vehicles

$59.99 /pair

Available

Ships in 10-14 days

Kicker CSC65 (46CSC654) (Open Box, Great)

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

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600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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List price $119.99
-42% $69.99 /pair

In stock

Massive Audio MX57

440W Peak (100W RMS) 5x7" MX Series 2-Way 4-ohm Coaxial Car Speakers

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440W Peak (100W RMS) 5x7" MX Series 2-Way 4-ohm Coaxial Car Speakers

• 220 watts Peak Each, 50 watts RMS Each
• 1/2" PEI (Polyetherimide) Hard Dome tweeters
• Tweeters constructed with ferro fluid cooled voice coil
• Laminate-Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92.5 dB

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Install kits available for most vehicles

2
List price $59.99
-22% $46.99 /pair

Available

Ships in 10-14 days

Limited time!

Hertz HCP 5D

1500W Peak (750W RMS) Class D Hertz Compact Power (HCP) Series 5-Channel Full Range Car Amplifier

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1500W Peak (750W RMS) Class D Hertz Compact Power (HCP) Series 5-Channel Full Range Car Amplifier

• 55 watts x 4 channel + 160 watts x 1 channel @ 4 ohm
• 90 watts x 4 channel + 280 watts x 1 channel @ 2 ohm
• Bridged: 180 watts x 2 channel + 160 watts x 1 channel @ 4 ohm
• Bridged: 180 watts x 2 channel + 280 watts x 1 channel @ 2 ohm
• Total RMS Power: 750 watts
• Class D 2 ohm Stable 5-Channel-Channel Amplifier

Save 30% off an NVX XKIT86 Amp Kit at Checkout!
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List price $600.00
-8% $549.99

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Eligible items

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

NVX XKIT86

$84.99

$59.49

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Pioneer TS-D65C

540W Peak (180W RMS) 6.5" D-Series 2-Way 4-ohm Component Speaker System

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540W Peak (180W RMS) 6.5" D-Series 2-Way 4-ohm Component Speaker System

• 270 watts Peak Each, 90 watts RMS Each
• 1" Polyester Fiber Dome tweeters
• Aramid fiber reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB
• Mounting Depth: 2-1/2"

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List price $250.00
Save $105.50
-42% $144.50 /set

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Ships in 10-14 days

• 270 watts Peak Each, 90 watts RMS Each
• 1" Polyester Fiber Dome tweeters
• Aramid fiber reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB
• Mounting Depth: 2-1/2"

MB Quart FA2-2000.1 with Amplifier Wiring Kit

2000W RMS Formula Series Class-D Monoblock Car Amplifier

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2000W RMS Formula Series Class-D Monoblock Car Amplifier

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

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List price $309.98
-23% $239.99

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Ships in 10-14 days

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

Limited time!

MTX Thunder TH900.6

900W RMS Class D Thunder Series 6 Channel Car Amplifier

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900W RMS Class D Thunder Series 6 Channel Car Amplifier

• 75 watts x 6 channel @ 4 ohm
• 150 watts x 6 channel @ 2 ohm
• Bridged: 300 watts x 3 channel @ 4 ohm
• Total RMS Power: 900 watts
• Class D 1 ohm Stable 6-Channel-Channel Amplifier

2+ offers available
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List price $829.99
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-28% $599.96

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Available Offers (2) for MTX Thunder TH900.6
FREE NVX Amp Kit at Checkout!
Save 30% off an NVX XKIT46 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT46 Amp Kit! No code needed — discount applies automatically at checkout.
Limited time!

MB Quart DS2-216

240W Peak (140W RMS) 6.5" 2-way 4-ohm Component Speaker System

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240W Peak (140W RMS) 6.5" 2-way 4-ohm Component Speaker System

• 140 watts Peak Each, 70 watts RMS Each
• Aluminum Inverted Dome tweeters
• Thermoformed Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Free Speaker Accessory at Checkout!
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List price $109.99
-9% $99.99 /set

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Cerwin-Vega XED4004D

400W Peak (360W RMS) Class D XED Series 4 Channel Car Amplifier

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400W Peak (360W RMS) Class D XED Series 4 Channel Car Amplifier

• 60 watts x 4 channel @ 4 ohm
• 90 watts x 4 channel @ 2 ohm
• Bridged: 170 watts x 2 channel @ 4 ohm
• Total RMS Power: 360 watts
• Class D 2 ohm Stable 4-Channel Amplifier

2+ offers available
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List price $203.99
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Available Offers (2) for Cerwin-Vega XED4004D
FREE Belva Amp Kit at Checkout!
Save 30% off an NVX XKIT44 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT44 Amp Kit! No code needed — discount applies automatically at checkout.

Alpine S2-S40C

280W Peak (90W RMS) 4" S-Series Hi-Res 2-Way Component Car Speakers

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280W Peak (90W RMS) 4" S-Series Hi-Res 2-Way Component Car Speakers

• 140 watts Peak Each, 45 watts RMS Each
• Hi-Res Audio Certified
• 1" Cloth Dome Tweeters
• Adjustable tweeters with threaded removable housing
• Polypropylene, Glass Fiber and Mica cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

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Install kits available for most vehicles

1
List price $180.00
-17% $149.95 /set

In stock

Hertz HSP1-14

2-Speaker Front Audio Upgrade Kit for select 2014-2023 vehicles from Harley Davidson Includes 6.5" 2-Way Coaxial 4-ohm Speakers and 4-Channel Amplifier

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2-Speaker Front Audio Upgrade Kit for select 2014-2023 vehicles from Harley Davidson Includes 6.5" 2-Way Coaxial 4-ohm Speakers and 4-Channel Amplifier

• System includes 6.5" coaxial speakers and 4-channel amplifier
• Compatible with select 2014-2023 vehicles from Harley Davidson
• 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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List price $1905.00
-12% $1,679.94

In stock

Only 1 Left!

• System includes 6.5" coaxial speakers and 4-channel amplifier
• Compatible with select 2014-2023 vehicles from Harley Davidson
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

Cerwin-Vega RPMRZRKD43

6-Speaker Audio System Upgrade Kit for select 2014-2024 vehicles from Polaris Includes Four Loaded 6.5" Speaker Enclosures, Two 6.5" Tower Speakers, One 10" Subwoofer, and Two Marine Amplifiers

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6-Speaker Audio System Upgrade Kit for select 2014-2024 vehicles from Polaris Includes Four Loaded 6.5" Speaker Enclosures, Two 6.5" Tower Speakers, One 10" Subwoofer, and Two Marine Amplifiers

• Includes a receiver, four 6.5" speakers in custom-fit enclosures, two 6.5” tower speakers, one 10" marine subwoofer and enclosure, and two marine amplifiers
• Direct fit for a hassle-free installation, fitting perfectly into the Polaris RZR for seamless integration
• System is designed to withstand harsh outdoor environments
• Digital LED lighting in speakers and enclosures
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

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List price $4355.99
-17% $3,629.99

In stock.

• Includes a receiver, four 6.5" speakers in custom-fit enclosures, two 6.5” tower speakers, one 10" marine subwoofer and enclosure, and two marine amplifiers
• Direct fit for a hassle-free installation, fitting perfectly into the Polaris RZR for seamless integration
• System is designed to withstand harsh outdoor environments
• Digital LED lighting in speakers and enclosures
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

JL Audio MicroSub CP110LG-TW1-2 (Open Box, Great)

300 Watt RMS Single 10" 10TW1-2 Subwoofer Loaded in a Slot-Ported MicroSub Enclosure (2 ohms Final Impedance)

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300 Watt RMS Single 10" 10TW1-2 Subwoofer Loaded in a Slot-Ported MicroSub Enclosure (2 ohms Final Impedance)

• Preloaded with single 10TW1-2 Subwoofer
• Nominal Impedance: 2-ohm
• Black, high-grade automotive carpet with silver embroidery
• Efficient slot-ported design and precise tuning of its 10TW1 subwoofer
• Sensitivity: 82.2 dB 1 watt / 1 meter

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List price $679.99
-30% $475.99

In stock

Only 1 Left!

• Preloaded with single 10TW1-2 Subwoofer
• Nominal Impedance: 2-ohm
• Black, high-grade automotive carpet with silver embroidery
• Efficient slot-ported design and precise tuning of its 10TW1 subwoofer
• Sensitivity: 82.2 dB 1 watt / 1 meter

Cerwin-Vega RPMRZRKD41

4-Speaker Audio System Upgrade Kit with 4 Channel Amplifier for select 2014-2024 vehicles from Polaris

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4-Speaker Audio System Upgrade Kit with 4 Channel Amplifier for select 2014-2024 vehicles from Polaris

• System includes four 6.5" speakers with one 4-channel marine amplifier
• Direct fit for a hassle-free installation, fitting perfectly into the select 2014-2024 vehicles from Polaris
• 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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List price $1763.99
-33% $1,175.99

In stock.

• System includes four 6.5" speakers with one 4-channel marine amplifier
• Direct fit for a hassle-free installation, fitting perfectly into the select 2014-2024 vehicles from Polaris
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

Cerwin Vega B52

1000W Peak (500W RMS) Class D Stealth Bomber Series 2 Channel Car Amplifier with Bass Remote

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1000W Peak (500W RMS) Class D Stealth Bomber Series 2 Channel Car Amplifier with Bass Remote

• 150 watts x 2 channel @ 4 ohm
• 250 watts x 2 channel @ 2 ohm
• Bridged: 500 watts x 1 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 2-Channel Amplifier

2+ offers available
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List price $395.99
-17% $329.99

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Flash Sale! Save at Checkout!
List price $395.99
-17% $329.99
$280.49 with coupon | Price details
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.

Shuriken SK-BT120 (Open Box, Good)

12V 120Ah Absorbed Glass Mat (AGM) Rechargeable Battery

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12V 120Ah Absorbed Glass Mat (AGM) Rechargeable Battery

• 12-volt Automotive Absorbed Glass Mat (AGM) Battery
• Sealed Absorbed Glass Mat (AGM) design
• Perfect for 2400 watts car audio stereo systems
• Can be mounted in any position
• Can be fully discharged and re-charged

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List price $714.99
-46% $385.79

In stock

Only 1 Left!

• 12-volt Automotive Absorbed Glass Mat (AGM) Battery
• Sealed Absorbed Glass Mat (AGM) design
• Perfect for 2400 watts car audio stereo systems
• Can be mounted in any position
• Can be fully discharged and re-charged

Diamond Audio MSMP694LK

6x9" Saddlebag Lid Cut-in Kit for Harley-Davidson Touring 2014 Up

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6x9" Saddlebag Lid Cut-in Kit for Harley-Davidson Touring 2014 Up

• 150W RMS / 300W Peak Max Power Handling
• Heavy Duty Die-cast Aluminum Basket
• Ferrite Strontium High Temp Magnet
• Frequency Response: 80Hz -18,000 Hz
• Mounting Diameter: 8.86” x 5.98”

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$999.99

In stock.

• 150W RMS / 300W Peak Max Power Handling
• Heavy Duty Die-cast Aluminum Basket
• Ferrite Strontium High Temp Magnet
• Frequency Response: 80Hz -18,000 Hz
• Mounting Diameter: 8.86” x 5.98”

Diamond Audio MSHXM694LK13

600W Peak (300W RMS) 6x9" Cut-in Lid Kit with HXM69F4 Speakers for select 1998-2013 vehicles from Harley Davidson

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600W Peak (300W RMS) 6x9" Cut-in Lid Kit with HXM69F4 Speakers for select 1998-2013 vehicles from Harley Davidson

• 6x9" Cut-in Lid Speaker Kit with HXM69F4 Speakers
• Designed for select 1998-2013 vehicles from Harley Davidson
• 300 watts Peak Each, 150 watts RMS Each
• 1" Titanium Dome Tweeters
• UV-Treated Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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$999.99

In stock.

• 6x9" Cut-in Lid Speaker Kit with HXM69F4 Speakers
• Designed for select 1998-2013 vehicles from Harley Davidson
• 300 watts Peak Each, 150 watts RMS Each
• 1" Titanium Dome Tweeters
• UV-Treated Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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    All About

    Specials & Promotions

    The Deals Department includes all items with extra savings such as last chance items or items on special. In addition to instant savings on new gear, we also have Sonic Electronix Coupons easily grouped and refurbished electronics in our Deals Department.

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