Garage
Shop

Your Vehicle


Checkmark Icon
Fits select locations in your 2014 Ram ProMaster 2500
Add vehicle details to confirm exact location or Update vehicle.

Update vehicle | Remove vehicle | Vehicle store

Top sellers

Loading...
Filters
filter-icon Filters & Sort
Limited time!

NVX XWS1650

50 ft 16-Gauge EnvyFlex 100% Oxygen Free Copper (OFC) Speaker Wire (Blue/Gray)

XWS1650 big
Go to item page Right Arrow Icon of Right Arrow

50 ft 16-Gauge EnvyFlex 100% Oxygen Free Copper (OFC) Speaker Wire (Blue/Gray)

• True Spec 16 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Twisted-pair technology eliminates noise

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

37
List price $39.99
-25% $29.99

In stock

• True Spec 16 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Twisted-pair technology eliminates noise

Limited time!

NVX SDTK20

91 mil 20 sq ft Car Trunk Sound Deadening Kit (Five 18" x 32" Sheets)

SDTK20 big
Go to item page Right Arrow Icon of Right Arrow

91 mil 20 sq ft Car Trunk Sound Deadening Kit (Five 18" x 32" Sheets)

• 20 square feet sound deadening kit
• Material Used: Vibration Dampener
• Material Thickness: 0.091 (2.3 mm)
• Install Location: Trunk
• Pack includes five 18" x 32" sheets

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

123
List price $71.99
-31% $49.99

In stock

NVX XWS1250

50 ft 12-Gauge EnvyFlex 100% Oxygen Free Copper Speaker Wire (Blue/Gray)

XWS1250 big
Go to item page Right Arrow Icon of Right Arrow

50 ft 12-Gauge EnvyFlex 100% Oxygen Free Copper Speaker Wire (Blue/Gray)

• True Spec 12 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Translucent EnvyFlex flexible multi-strand construction

2+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

36
List price $94.99
-47% $49.99

In stock

Continue to cart

Available Offers (2) for NVX XWS1250
Offer image
Prime Time! Save 10% at Checkout!
List price $94.99
-47% $49.99
$44.99 with coupon | Price details
2026-06-28 23:59:00
Purchase $400 or More of NVX and Save 15%!
2026-07-27 11:08:20

• True Spec 12 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Translucent EnvyFlex flexible multi-strand construction

Limited time!

NVX XTGSP2

Tone Generator and Speaker Polarity Tester

XTGSP2 big
Go to item page Right Arrow Icon of Right Arrow

Tone Generator and Speaker Polarity Tester

• Tone Generator • Speaker Polarity Tester
• Perfect Troubleshooting and Testing
• Output Range of 0-8 Volts
• Includes RCA and Alligator Clips
• 9V Speaker Popper • Auto Shutoff

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

8
List price $39.99
-25% $29.99

In stock

Only 2 Left!

Used from: $20.99

• Tone Generator • Speaker Polarity Tester
• Perfect Troubleshooting and Testing
• Output Range of 0-8 Volts
• Includes RCA and Alligator Clips
• 9V Speaker Popper • Auto Shutoff

Limited time!

NVX SDRLR1 Sound Dampening Rubber Roller

Universal Professional Heavy Duty Roller for Sound Deadening Mat

SDRLR1 big
Go to item page Right Arrow Icon of Right Arrow

Universal Professional Heavy Duty Roller for Sound Deadening Mat

• Universal heavy duty roller for installing sound deadening mats
• Compatible with NVX, Dynamat, and other brands
• Thick plated steel frame
• 2" solid, soft urethane rubber roller

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

127
List price $13.99
-21% $10.99

In stock

• Universal heavy duty roller for installing sound deadening mats
• Compatible with NVX, Dynamat, and other brands
• Thick plated steel frame
• 2" solid, soft urethane rubber roller

Limited time!

NVX XWS1675

75 ft 16-Gauge EnvyFlex 100% Oxygen Free Copper (OFC) Speaker Wire (Blue/Gray)

XWS1675 big
Go to item page Right Arrow Icon of Right Arrow

75 ft 16-Gauge EnvyFlex 100% Oxygen Free Copper (OFC) Speaker Wire (Blue/Gray)

• True Spec 16 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Twisted-pair technology eliminates noise

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

22
List price $44.99
-22% $34.99

In stock

• True Spec 16 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Twisted-pair technology eliminates noise

NVX SDBP40

91 mil 36 sq ft Full Car Sound Deadening Kit (Nine 18" x 32" Sheets)

SDBP40 big
Go to item page Right Arrow Icon of Right Arrow

91 mil 36 sq ft Full Car Sound Deadening Kit (Nine 18" x 32" Sheets)

• 36 square feet sound deadening kit
• Material Used: Vibration Dampener
• Material Thickness: 0.091 (2.3 mm)
• Install Location: Entire Vehicle
• Pack includes nine 18" x 32" sheets

2+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $10.50 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

132
List price $119.99
-13% $104.99

In stock

Continue to cart

Available Offers (2) for NVX SDBP40
Offer image
Prime Time! Save 15% at Checkout!
List price $119.99
-13% $104.99
$89.24 with coupon | Price details
2026-06-28 23:59:00
Purchase $400 or More of NVX and Save 15%!
2026-07-27 11:08:20

• 36 square feet sound deadening kit
• Material Used: Vibration Dampener
• Material Thickness: 0.091 (2.3 mm)
• Install Location: Entire Vehicle
• Pack includes nine 18" x 32" sheets

Limited time!

NVX VPROHTD

1" Replacement Diaphragm for NVX VPRO35TW Super Slim Bullet Tweeters

VPROHTD big
Go to item page Right Arrow Icon of Right Arrow

1" Replacement Diaphragm for NVX VPRO35TW Super Slim Bullet Tweeters

• 1" titanium replacement diaphragm for NVX VPRO35TW tweeters
• Restores clear, high-frequency sound
• Replaces damaged or worn components
• Quick and easy installation

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
List price $12.99
-23% $9.99

In stock

• 1" titanium replacement diaphragm for NVX VPRO35TW tweeters
• Restores clear, high-frequency sound
• Replaces damaged or worn components
• Quick and easy installation

Limited time!

NVX XWS1275

75 ft 12-Gauge EnvyFlex 100% Oxygen Free Copper Speaker Wire (Blue/Gray)

XWS1275 big
Go to item page Right Arrow Icon of Right Arrow

75 ft 12-Gauge EnvyFlex 100% Oxygen Free Copper Speaker Wire (Blue/Gray)

• True Spec 12 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Translucent EnvyFlex flexible multi-strand construction

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

14
List price $124.99
-52% $59.99

In stock

• True Spec 12 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Translucent EnvyFlex flexible multi-strand construction

Limited time!

NVX UNIFRING

Universal Self-Adhesive Foam Speaker Baffle Ring Kit (Pack of 6)

UNIFRING big
Go to item page Right Arrow Icon of Right Arrow

Universal Self-Adhesive Foam Speaker Baffle Ring Kit (Pack of 6)

• Universal Self-Adhesive Foam Speaker Baffle Ring Kit
• Waterproof automotive-grade high-density foam strips
• Prevents front and rear wave cancellation and panel vibrations
• Designed for use with 1" to 6x9" speakers
• Pack of 6

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
Universal Icon
Universal – fits most vehicles.
Shop similar products or Update vehicle
5
List price $35.98
-17% $29.99

In stock

Limited time!

NVX XWS12100

100 ft 12-Gauge EnvyFlex 100% Oxygen Free Copper Speaker Wire (Blue/Gray)

XWS12100 big
Go to item page Right Arrow Icon of Right Arrow

100 ft 12-Gauge EnvyFlex 100% Oxygen Free Copper Speaker Wire (Blue/Gray)

• True Spec 12 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Translucent EnvyFlex flexible multi-strand construction

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

8
List price $89.99
-17% $74.99

In stock

• True Spec 12 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Translucent EnvyFlex flexible multi-strand construction

NVX SDRF20

1/8" 20 sq ft Tri-Layer Full Car Sound Deadening Kit (Five 18" x 32" Sheets)

SDRF20 big
Go to item page Right Arrow Icon of Right Arrow

1/8" 20 sq ft Tri-Layer Full Car Sound Deadening Kit (Five 18" x 32" Sheets)

• 20 square feet tri-layer sound deadening kit
• Made with butyl rubber, aluminum foil, and foam
• Material Used: Vibration Dampener
• Material Thickness: 1/8"
• Install Location: Entire Vehicle
• Pack includes five 18" x 32" sheets

2+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

21
List price $83.99
-17% $69.99

In stock

Continue to cart

Available Offers (2) for NVX SDRF20
Offer image
Prime Time! Save 10% at Checkout!
List price $83.99
-17% $69.99
$62.99 with coupon | Price details
2026-06-28 23:59:00
Purchase $400 or More of NVX and Save 15%!
2026-07-27 11:08:20
Used from: $85.99

• 20 square feet tri-layer sound deadening kit
• Made with butyl rubber, aluminum foil, and foam
• Material Used: Vibration Dampener
• Material Thickness: 1/8"
• Install Location: Entire Vehicle
• Pack includes five 18" x 32" sheets

NVX SDRLR2

Universal Professional Heavy Duty Roller for Sound Deadening Mat

SDRLR2 big
Go to item page Right Arrow Icon of Right Arrow

Universal Professional Heavy Duty Roller for Sound Deadening Mat

• Squared roller provides more pressure
• Contoured handle for comfortable grip
• Soft rubber won't scratch metal surfaces
• Ideal for all sound deadening applications

2+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

19
List price $14.99
-20% $11.99

In stock

Continue to cart

Available Offers (2) for NVX SDRLR2
Offer image
Prime Time! Save 15% at Checkout!
List price $14.99
-20% $11.99
$10.19 with coupon | Price details
2026-06-28 23:59:00
Purchase $400 or More of NVX and Save 15%!
2026-07-27 11:08:20

• Squared roller provides more pressure
• Contoured handle for comfortable grip
• Soft rubber won't scratch metal surfaces
• Ideal for all sound deadening applications

Limited time!

NVX XTGSP2 (Open Box, Great)

Tone Generator and Speaker Polarity Tester

XTGSP2 big
Go to item page Right Arrow Icon of Right Arrow

Tone Generator and Speaker Polarity Tester

• Tone Generator • Speaker Polarity Tester
• Perfect Troubleshooting and Testing
• Output Range of 0-8 Volts
• Includes RCA and Alligator Clips
• 9V Speaker Popper • Auto Shutoff

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $39.99
-48% $20.99

In stock

Only 3 Left!

• Tone Generator • Speaker Polarity Tester
• Perfect Troubleshooting and Testing
• Output Range of 0-8 Volts
• Includes RCA and Alligator Clips
• 9V Speaker Popper • Auto Shutoff

Limited time!

NVX SDDK12

91 mil 12 sq ft 4-Door Car Sound Deadening Kit (Four 12" x 36" Sheets)

SDDK12 big
Go to item page Right Arrow Icon of Right Arrow

91 mil 12 sq ft 4-Door Car Sound Deadening Kit (Four 12" x 36" Sheets)

• 12 square feet sound deadening kit
• Material Used: Vibration Dampener
• Material Thickness: 0.091 (2.3 mm)
• Install Location: Front and Rear Door
• Pack includes four 12" x 36" sheets

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

51
List price $47.99
-17% $39.99

In stock

Limited time!

NVX SDBPRO20 PRO Stealth Black

177 mil 20 sq ft Ultra Thick Full Car Sound Deadening Kit (Five 18" x 32" Sheets) - Black

SDBPRO20 big
Go to item page Right Arrow Icon of Right Arrow

177 mil 20 sq ft Ultra Thick Full Car Sound Deadening Kit (Five 18" x 32" Sheets) - Black

• 20 square feet ultra thick sound deadening kit
• Solid black design for any stealth car audio installation
• Material Used: Vibration Dampener
• Material Thickness: 0.17"
• Install Location: Entire Vehicle
• Pack includes five 18" x 32" sheets

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $11.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

4
List price $143.99
-24% $109.99

In stock

• 20 square feet ultra thick sound deadening kit
• Solid black design for any stealth car audio installation
• Material Used: Vibration Dampener
• Material Thickness: 0.17"
• Install Location: Entire Vehicle
• Pack includes five 18" x 32" sheets

Limited time!

NVX SDBTK20 Premium Stealth Black

91 mil 20 sq ft Car Trunk Sound Deadening Kit (Five 18" x 32" Sheets)

SDBTK20 big
Go to item page Right Arrow Icon of Right Arrow

91 mil 20 sq ft Car Trunk Sound Deadening Kit (Five 18" x 32" Sheets)

• 20 square feet sound deadening kit
• Solid black design for any stealth car audio installation
• Material Used: Vibration Dampener
• Material Thickness: 0.091 (2.3 mm)
• Install Location: Trunk
• Pack includes five 18" x 32" sheets

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

11
List price $71.99
-17% $59.99

In stock

Used from: $68.89

• 20 square feet sound deadening kit
• Solid black design for any stealth car audio installation
• Material Used: Vibration Dampener
• Material Thickness: 0.091 (2.3 mm)
• Install Location: Trunk
• Pack includes five 18" x 32" sheets

NVX SDBDK12 Premium Stealth Black

91 mil 12 sq ft 4-Door Car Sound Deadening Kit (Four 12" x 36" Sheets)

SDBDK12 big
Go to item page Right Arrow Icon of Right Arrow

91 mil 12 sq ft 4-Door Car Sound Deadening Kit (Four 12" x 36" Sheets)

• 12 square feet sound deadening kit
• Solid black design for any stealth car audio installation
• Material Used: Vibration Dampener
• Material Thickness: 0.091 (2.3 mm)
• Install Location: Front and Rear Door
• Pack includes four 12" x 36" sheets

2+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

7
List price $53.99
-7% $49.99

In stock

Continue to cart

Available Offers (2) for NVX SDBDK12 Premium Stealth Black
Offer image
Prime Time! Save 10% at Checkout!
List price $53.99
-7% $49.99
$44.99 with coupon | Price details
2026-06-28 23:59:00
Purchase $400 or More of NVX and Save 15%!
2026-07-27 11:08:20
Used from: $26.99

• 12 square feet sound deadening kit
• Solid black design for any stealth car audio installation
• Material Used: Vibration Dampener
• Material Thickness: 0.091 (2.3 mm)
• Install Location: Front and Rear Door
• Pack includes four 12" x 36" sheets

Limited time!

NVX SDBBP40UL Premium Ultra Light Stealth Black

90 mil 36 sq ft Ultra Light Full Car Sound Deadening Kit (Nine 18" x 32" Sheets) - Black

SDBBP40UL big
Go to item page Right Arrow Icon of Right Arrow

90 mil 36 sq ft Ultra Light Full Car Sound Deadening Kit (Nine 18" x 32" Sheets) - Black

• 36 square feet ultra light sound deadening kit
• Solid black design for any stealth car audio installation
• Material Used: Vibration Dampener
• Material Thickness: 0.090"
• Install Location: Entire Vehicle
• Pack includes nine 18" x 32" sheets

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $203.99
-36% $129.99

In stock

• 36 square feet ultra light sound deadening kit
• Solid black design for any stealth car audio installation
• Material Used: Vibration Dampener
• Material Thickness: 0.090"
• Install Location: Entire Vehicle
• Pack includes nine 18" x 32" sheets

Limited time!

NVX XWS0820

20 ft 8-Gauge EnvyFlex 100% Oxygen Free Copper Speaker Wire (Blue/Gray)

XWS0820 big
Go to item page Right Arrow Icon of Right Arrow

20 ft 8-Gauge EnvyFlex 100% Oxygen Free Copper Speaker Wire (Blue/Gray)

• True Spec 8 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Translucent EnvyFlex flexible multi-strand construction

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

45
List price $64.99
-23% $49.99

In stock

• True Spec 8 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Translucent EnvyFlex flexible multi-strand construction

Items per page: 20

    Clear all
    why-shoping-with-sonic

    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?
    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2014 Dodge Ram ProMaster 2500

    2004 Mazda B3000

    2009 MINI Cooper

    1979 Ford Thunderbird

    1980 Datsun 210

    2008 Volvo XC70

    1990 Toyota 4Runner

    1975 Buick LeSabre

    2025 Lincoln Nautilus

    2020 Dodge Durango

    Vehicle
    Store
    Delete

    2000 Harley Davidson FLTR/I Road Glide

    2022 Harley Davidson FLHT Electra Glide Standard

    2021 Harley Davidson FLHT Electra Glide Standard

    2011 Harley Davidson FLHTC Electra Glide Classic

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

    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.