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Refers to the diameter of the subwoofer, measured in inches.
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
Dual voice coil subs have more wiring flexibility than single voice coils subs; however, single voice coil subwoofers provide easier hookup options for wiring multiple subwoofers in parallel or series. You may also run a dual voice coil (DVC) sub in parallel, series, or combination. A quad voice coil has four voice coils and is equal to two dual voice coil subwoofers as far as wiring goes.
This is the design of the subwoofer or the opening of the subwoofer enclosure. Each design has it's own benefits, whether it is a square, circle, or oval.

Round/Circle: This is the typical and common subwoofer design. They have a round cone and are a circle in design.

Square: These woofers are able to achieve a greater cone area in a smaller space. Because of the greater surface area, some square subwoofers will be louder than a round subwoofer of the same size.

This value indicates the minimum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
This value indicates the maximum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
Typically measured in millimeters, the Xmax value is the measure of a speaker cone's maximum excursion in one direction while maintaining a linear behavior.
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Rockford Fosgate P1-2X12 (Open-box, Like New)

1000W Peak, Punch P1 Dual 12" P1S412 Subwoofer Loaded Enclosure

P1-2X12 main
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1000W Peak, Punch P1 Dual 12" P1S412 Subwoofer Loaded Enclosure

• Two 12" Punch Series Stage 1 Subwoofers
• Kevlar Reinforced Paper Cone
• Tear and Fatigue Resistant
• Proprietary Spider Venting/Cooling Technique
• Solid 5/8" MDF Construction

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FREE 3-day shipping to VA. Get it Tue, Sept. 26

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16
Was $409.99 Details
$327.99

In stock

Only 2 Left!

• Two 12" Punch Series Stage 1 Subwoofers
• Kevlar Reinforced Paper Cone
• Tear and Fatigue Resistant
• Proprietary Spider Venting/Cooling Technique
• Solid 5/8" MDF Construction

P1-2X12 small

Item added to your cart.

Price: $327.99

Essential add-ons
NVX Speaker Wire (XWS1225)

25 ft. of True 12 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)

$49.99

$29.99

Add to cart
NVX Sound Dampening Trunk Kit (SDTK20)

20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
NVX Sound Dampening Rubber Roller (SDRLR1)

Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

$9.99

$7.99

Add to cart

JL Audio CP212-W0v3 (Open-Box, Like New)

Dual 12" 12W0v3-4 BassWedge Loaded Ported Enclosure with Gray Carpet Finish

CP212-W0v3 main
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Dual 12" 12W0v3-4 BassWedge Loaded Ported Enclosure with Gray Carpet Finish

• Dual 12" 12W0v3-4 Loaded Ported Enclosure
• 1200W Peak
• 600W RMS
• Top-Quality MDF Construction
• Durable Dark Gray Carpet Finish
• Five-Way Binding Post Connectors
• Embroidered JL Audio Logo

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FREE 3-day shipping to VA. Get it Tue, Sept. 26

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11
Was $699.99 Details
$449.99

In stock

Only 3 Left!

• Dual 12" 12W0v3-4 Loaded Ported Enclosure
• 1200W Peak
• 600W RMS
• Top-Quality MDF Construction
• Durable Dark Gray Carpet Finish
• Five-Way Binding Post Connectors
• Embroidered JL Audio Logo

CP212-W0v3 small

Item added to your cart.

Price: $449.99

Essential add-ons
NVX Speaker Wire (XWS1225)

25 ft. of True 12 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)

$49.99

$29.99

Add to cart
NVX Sound Dampening Trunk Kit (SDTK20)

20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
NVX Sound Dampening Rubber Roller (SDRLR1)

Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

$9.99

$7.99

Add to cart

Kenwood P-XW1221DHP (Open-Box, Like New)

2000W Max (1000W RMS) Dual 12” Pre-loaded High-Power Subwoofer Enclosure

P-XW1221DHP main
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2000W Max (1000W RMS) Dual 12” Pre-loaded High-Power Subwoofer Enclosure

• 1000 W RMS Dual 12" Vented Subwoofer Enclosure
• Polypropylene cone with "dual area" cap
• Single voice coil
• Enclosure Dimensions: 12-1/2" TD x 15-3/4" BD x 35-3/4" W x 15-7/8" H

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FREE 3-day shipping to VA. Get it Tue, Sept. 26

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4
Was $500.00 Details
$360.00

In stock

• 1000 W RMS Dual 12" Vented Subwoofer Enclosure
• Polypropylene cone with "dual area" cap
• Single voice coil
• Enclosure Dimensions: 12-1/2" TD x 15-3/4" BD x 35-3/4" W x 15-7/8" H

P-XW1221DHP small

Item added to your cart.

Price: $360.00

Essential add-ons
NVX Speaker Wire (XWS1225)

25 ft. of True 12 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)

$49.99

$29.99

Add to cart
NVX Sound Dampening Trunk Kit (SDTK20)

20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
NVX Sound Dampening Rubber Roller (SDRLR1)

Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

$9.99

$7.99

Add to cart
Lowest price in 30 days

JBL Stadium BassHub (Open-box, Like New)

1200W Peak (600W RMS) 11" Stadium Series Dual 4 Ohm Car Subwoofer

JBLSUBSDBASSHUBAM main
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1200W Peak (600W RMS) 11" Stadium Series Dual 4 Ohm Car Subwoofer

• Peak Power:
• RMS Power:
• Cone
• Surround
• Impedance:
• Mount depth:
• Sensitivity:

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FREE 3-day shipping to VA. Get it Tue, Sept. 26

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1
Was $469.95 Details
$268.76

In stock

• Peak Power:
• RMS Power:
• Cone
• Surround
• Impedance:
• Mount depth:
• Sensitivity:

JBLSUBSDBASSHUBAM small

Item added to your cart.

Price: $268.76

Essential add-ons
NVX Speaker Wire (XWS1225)

25 ft. of True 12 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)

$49.99

$29.99

Add to cart
NVX Sound Dampening Trunk Kit (SDTK20)

20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
NVX Sound Dampening Rubber Roller (SDRLR1)

Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

$9.99

$7.99

Add to cart

Alpine RS-SB12 (Open-box, Like New)

1800W Peak (600W RMS) 12” Halo Series 2-Ohm Loaded Subwoofer Sealed Enclosure

RS-SB12 main
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1800W Peak (600W RMS) 12” Halo Series 2-Ohm Loaded Subwoofer Sealed Enclosure

• 600 watts Single 12" Sealed Subwoofer Enclosure
• Dual 2 ohms Impedance
• Spring-loaded Terminal Posts
• Enclosure Dimensions: 16" TD x 24.5" W x 5.25" H

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FREE 3-day shipping to VA. Get it Tue, Sept. 26

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Was $850.00 Details
$602.17

In stock

• 600 watts Single 12" Sealed Subwoofer Enclosure
• Dual 2 ohms Impedance
• Spring-loaded Terminal Posts
• Enclosure Dimensions: 16" TD x 24.5" W x 5.25" H

RS-SB12 small

Item added to your cart.

Price: $602.17

Essential add-ons
NVX Speaker Wire (XWS1225)

25 ft. of True 12 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)

$49.99

$29.99

Add to cart
NVX Sound Dampening Trunk Kit (SDTK20)

20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
NVX Sound Dampening Rubber Roller (SDRLR1)

Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

$9.99

$7.99

Add to cart

Kenwood P-XW1241S (Open-box, Like New)

600W Max (300W RMS) Single 12” Pre-loaded Subwoofer Enclosure

P-XW1241S main
Go to item page

600W Max (300W RMS) Single 12” Pre-loaded Subwoofer Enclosure

• 600W Max (300W RMS) Pre-loaded 12" Vented Subwoofer Enclosure
• Polypropylene Cone with Diamond Array Pattern Woofer
Enclosure Dimensions: 11-3/8” D x 20-7/8” W x 15-13/16" H

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FREE 3-day shipping to VA. Get it Tue, Sept. 26

empty

Was $250.00 Details
$180.00

In stock

• 600W Max (300W RMS) Pre-loaded 12" Vented Subwoofer Enclosure
• Polypropylene Cone with Diamond Array Pattern Woofer
Enclosure Dimensions: 11-3/8” D x 20-7/8” W x 15-13/16" H

P-XW1241S small

Item added to your cart.

Price: $180.00

Essential add-ons
NVX Speaker Wire (XWS1225)

25 ft. of True 12 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)

$49.99

$29.99

Add to cart
NVX Sound Dampening Trunk Kit (SDTK20)

20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
NVX Sound Dampening Rubber Roller (SDRLR1)

Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

$9.99

$7.99

Add to cart

JBL Stage 1200D (Open-Box, Like New)

1200W Peak (600W RMS) Stage Series Dual 12" Car Audio Ported Enclosure

Stage 1200D main
Go to item page

1200W Peak (600W RMS) Stage Series Dual 12" Car Audio Ported Enclosure

• 600W Dual 12" Vented Subwoofer Enclosure
• 12" Stage Series Subwoofers
• Vented enclosure with 5/8" MDF covered with black carpet
• Includes Ported Dual Enclosure

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FREE 3-day shipping to VA. Get it Tue, Sept. 26

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Was $299.95 Details
$199.96

In stock

• 600W Dual 12" Vented Subwoofer Enclosure
• 12" Stage Series Subwoofers
• Vented enclosure with 5/8" MDF covered with black carpet
• Includes Ported Dual Enclosure

Stage 1200D small

Item added to your cart.

Price: $199.96

Essential add-ons
NVX Speaker Wire (XWS1225)

25 ft. of True 12 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)

$49.99

$29.99

Add to cart
NVX Sound Dampening Trunk Kit (SDTK20)

20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
NVX Sound Dampening Rubber Roller (SDRLR1)

Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

$9.99

$7.99

Add to cart

Alpine Halo R2-SB12V (Open Box, Like New)

750W RMS 12" Halo Series Linkable Ported Loaded Subwoofer Enclosure

r2-sb12v main
Go to item page

750W RMS 12" Halo Series Linkable Ported Loaded Subwoofer Enclosure

• Dual 12" Vented / Ported Subwoofer Enclosure
• 12" Subwoofer(s)
• Set of Binding posts Terminals
• Optimal Sound Performance
• Premium black carpet
• Silver Alpine embossed side logo badge

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FREE 3-day shipping to VA. Get it Tue, Sept. 26

empty

Was $650.00 Details
$423.36

In stock

• Dual 12" Vented / Ported Subwoofer Enclosure
• 12" Subwoofer(s)
• Set of Binding posts Terminals
• Optimal Sound Performance
• Premium black carpet
• Silver Alpine embossed side logo badge

r2-sb12v small

Item added to your cart.

Price: $423.36

Essential add-ons
NVX Speaker Wire (XWS1225)

25 ft. of True 12 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)

$49.99

$29.99

Add to cart
NVX Sound Dampening Trunk Kit (SDTK20)

20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
NVX Sound Dampening Rubber Roller (SDRLR1)

Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

$9.99

$7.99

Add to cart

Alpine S-SB10V (Open Box, Like New)

Pre-Loaded S-Series 10-inch Subwoofer Enclosure

S-SB10V main
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Pre-Loaded S-Series 10-inch Subwoofer Enclosure

• Linkable Subwoofers
• 600 Watts RMS
• 2 Ohm Impedence

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FREE 3-day shipping to VA. Get it Tue, Sept. 26

empty

Was $450.00 Details
$306.31

In stock

• Linkable Subwoofers
• 600 Watts RMS
• 2 Ohm Impedence

S-SB10V small

Item added to your cart.

Price: $306.31

Essential add-ons
NVX Speaker Wire (XWS1225)

25 ft. of True 12 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)

$49.99

$29.99

Add to cart
NVX Sound Dampening Trunk Kit (SDTK20)

20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
NVX Sound Dampening Rubber Roller (SDRLR1)

Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

$9.99

$7.99

Add to cart

Rockford Fosgate P1-1X12 (Open-box, Like New)

500W Peak (250W RMS) Punch P1 Single 12" P1S412 Subwoofer Loaded Ported Enclosure

P1-1X12 main
Go to item page

500W Peak (250W RMS) Punch P1 Single 12" P1S412 Subwoofer Loaded Ported Enclosure

• 12" Single 4 Ohm Punch Series Stage 1 Subwoofer
• Kevlar Reinforced Paper Cone
• Tear and Fatigue Resistant
• Proprietary Spider Venting/Cooling Technique
• Solid 5/8" MDF Construction

shipping truck icon
FREE 3-day shipping to VA. Get it Tue, Sept. 26

empty

7
Was $239.99 Details
$191.99

In stock

Only 3 Left!

• 12" Single 4 Ohm Punch Series Stage 1 Subwoofer
• Kevlar Reinforced Paper Cone
• Tear and Fatigue Resistant
• Proprietary Spider Venting/Cooling Technique
• Solid 5/8" MDF Construction

P1-1X12 small

Item added to your cart.

Price: $191.99

Essential add-ons
NVX Speaker Wire (XWS1225)

25 ft. of True 12 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)

$49.99

$29.99

Add to cart
NVX Sound Dampening Trunk Kit (SDTK20)

20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
NVX Sound Dampening Rubber Roller (SDRLR1)

Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

$9.99

$7.99

Add to cart

JBL S21024SS (Open-box, Like New)

1000 Watts Peak 10" SSI Subwoofer Enclosure with Slipstream Port and Selectable 2-Ohm or 4-Ohm Impedance

S2-1024SS main
Go to item page

1000 Watts Peak 10" SSI Subwoofer Enclosure with Slipstream Port and Selectable 2-Ohm or 4-Ohm Impedance

• 250 Watts RMS
• 1000 Watts Max
• Nominal Impedance: Single 2 or 4 ohm
• Polypropylene Cone
• Nitrile Butadiene Rubber (NBR) Surround
• Slipstream port design with double-flared design
• Frequency Response: 30 ~ 175 Hz

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FREE 3-day shipping to VA. Get it Tue, Sept. 26

empty

5
Was $289.95 Details
$173.28

In stock

• 250 Watts RMS
• 1000 Watts Max
• Nominal Impedance: Single 2 or 4 ohm
• Polypropylene Cone
• Nitrile Butadiene Rubber (NBR) Surround
• Slipstream port design with double-flared design
• Frequency Response: 30 ~ 175 Hz

S2-1024SS small

Item added to your cart.

Price: $173.28

Essential add-ons
NVX Speaker Wire (XWS1225)

25 ft. of True 12 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)

$49.99

$29.99

Add to cart
NVX Sound Dampening Trunk Kit (SDTK20)

20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
NVX Sound Dampening Rubber Roller (SDRLR1)

Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

$9.99

$7.99

Add to cart
Lowest price in 30 days

JL Audio CS112LG-TW3 (Open-box, Like New)

Enclosed Subwoofer System w/ Single 12TW3-D4 Subwoofer

CS112LG-TW3 main
Go to item page

Enclosed Subwoofer System w/ Single 12TW3-D4 Subwoofer

• Peak Power Handling: 800W
• RMS Power Handling: 400W
• Dual 4 Ohm Voice Coils
• Sealed Enclosure w/ Black Carpet Finish
• 5/8" MDF Construction

shipping truck icon
FREE 3-day shipping to VA. Get it Tue, Sept. 26

empty

Was $549.99 Details
$467.49

In stock

• Peak Power Handling: 800W
• RMS Power Handling: 400W
• Dual 4 Ohm Voice Coils
• Sealed Enclosure w/ Black Carpet Finish
• 5/8" MDF Construction

CS112LG-TW3 small

Item added to your cart.

Price: $467.49

Essential add-ons
NVX Speaker Wire (XWS1225)

25 ft. of True 12 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)

$49.99

$29.99

Add to cart
NVX Sound Dampening Trunk Kit (SDTK20)

20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
NVX Sound Dampening Rubber Roller (SDRLR1)

Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

$9.99

$7.99

Add to cart
Lowest price in 30 days

Pioneer TS-A2000LB (Open-Box, Damaged Packaging)

250W RMS A-Series 8" Shallow-Mount Loaded Sealed Truck Style Enclosure (Perfect for Behind and Underneath the Seat)

TS-A2000LB main
Go to item page

250W RMS A-Series 8" Shallow-Mount Loaded Sealed Truck Style Enclosure (Perfect for Behind and Underneath the Seat)

• 300 Watts RMS / 1,200 Watts Max
• Impedance: 2 Ohm Single Voice Coil
• Sensitivity: 86 dB
• Rubber Surround
• Fully Covered Steel Mesh Grille

shipping truck icon
FREE 3-day shipping to VA. Get it Tue, Sept. 26

empty

Was $240.00 Details
$158.29

In stock

• 300 Watts RMS / 1,200 Watts Max
• Impedance: 2 Ohm Single Voice Coil
• Sensitivity: 86 dB
• Rubber Surround
• Fully Covered Steel Mesh Grille

TS-A2000LB small

Item added to your cart.

Price: $158.29

Essential add-ons
NVX Speaker Wire (XWS1225)

25 ft. of True 12 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)

$49.99

$29.99

Add to cart
NVX Sound Dampening Trunk Kit (SDTK20)

20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
NVX Sound Dampening Rubber Roller (SDRLR1)

Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

$9.99

$7.99

Add to cart
Lowest price in 30 days

JBL JBLSUBST1200SAM (Open-Box, Damaged Packaging)

12" Single Loaded Car Audio Subwoofer Sealed Enclosure

Stage 1200S main
Go to item page

12" Single Loaded Car Audio Subwoofer Sealed Enclosure

• 250W Single 12" Sealed Subwoofer Enclosure
• Preloaded with single 12" Subwoofers
• Sealed enclosure with Black Carpet
• Enclosure Dimensions:7.75" TD x 11.50" BD x 17.25" W x 14.50" H

shipping truck icon
FREE 3-day shipping to VA. Get it Tue, Sept. 26

empty

1
Was $229.95 Details
$149.96

In stock

• 250W Single 12" Sealed Subwoofer Enclosure
• Preloaded with single 12" Subwoofers
• Sealed enclosure with Black Carpet
• Enclosure Dimensions:7.75" TD x 11.50" BD x 17.25" W x 14.50" H

Stage 1200S small

Item added to your cart.

Price: $149.96

Essential add-ons
NVX Speaker Wire (XWS1225)

25 ft. of True 12 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)

$49.99

$29.99

Add to cart
NVX Sound Dampening Trunk Kit (SDTK20)

20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
NVX Sound Dampening Rubber Roller (SDRLR1)

Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

$9.99

$7.99

Add to cart
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