Car Subwoofer Installation, Parts & Accessories at Sonic Electronix

Shop By Category


Show More

About Car Subwoofer Installation & Accessories


Get the most sound out of your subwoofer with these installation parts designed to make your subwoofer install easier and sound better. Within this category, you will find box terminals, polyfil, subwoofer boxes, sound damping material, subwoofer grilles, speaker wire, connecters, and many more accessories. For all your installation needs, check out our expansive selection of car subwoofer installation parts.

Popular Brands in Car Subwoofer Installation & Accessories


listview icon
gridview icon

Top Sellers in

NVX SDBBP40 Premium Stealth Black

Premium Sound Deadening Bulk Pack 40 Square feet (Entire Car), Ten 18" x 32" Sheets (91mil Thick)

SALE SDBBP40 main
Go to item page

Premium Sound Deadening Bulk Pack 40 Square feet (Entire Car), Ten 18" x 32" Sheets (91mil Thick)

• Solid Black for Any Stealth Car Audio Installation
• 2.3mm (91mil) thick for better performance
• Quiets Vibrations
• Stops Rattles
• Increases SPL (DB's)
• Reduces Heat
• Simple To Install
• Easy To Form Aluminum
• Four Step Peel and Stick Installation
• Ten 18" x 32" Pieces

21
NVX SDBBP40 Premium Stealth Black

Premium Sound Deadening Bulk Pack 40 Square feet (Entire Car), Ten 18" x 32" Sheets (91mil Thick)

In stock

$279.99 (60.72% off)
$109.99
Hide info
More info Item page
3 Special offers
  • Save 50% off a Heavy Duty Roller for Sound Damping!
  • Free NVX Black Reusable Cloth Face Mask with purchase!
  • Free Roller with Purchase of Select Sound Deadener!

Item Added to Cart

SDBBP40 small

Premium Sound Deadening Bulk Pack 40 Square feet (Entire Car), Ten 18" x 32" Sheets (91mil Thick)

$109.99

Keep Shopping

NVX SD-KIT

Complete Sound Dampening Installation Kit

$29.97

Add

Don't see the accessory you're looking for?
View all available accessories for the NVX SDBBP40 Premium Stealth Black.
NVX SDBSK2 Premium Stealth Black

Premium Sound Deadening Speaker Kit, two 10" x 10" Sheets (91mil THICK)

SALE SDBSK2 main
Go to item page

Premium Sound Deadening Speaker Kit, two 10" x 10" Sheets (91mil THICK)

• Solid Black for Any Stealth Car Audio Installation
• 2.3mm (91mil) thick for better performance
• Quiets Vibrations
• Stops Annoying Rattles
• Increases SPL (LOUDER)
• Reduces Heat
• Simple To Install
• Peel and Stick Installation
• Two 10" x 10" Pieces

14
NVX SDBSK2 Premium Stealth Black

Premium Sound Deadening Speaker Kit, two 10" x 10" Sheets (91mil THICK)

In stock

$37.48 (60.01% off)
$14.99
Hide info
More info Item page
1 Special offer
  • FREE Sound Damping Kit to stop the rattles/vibrations!

Item Added to Cart

SDBSK2 small

Premium Sound Deadening Speaker Kit, two 10" x 10" Sheets (91mil THICK)

$14.99

Keep Shopping

NVX SD-KIT

Complete Sound Dampening Installation Kit

$29.97

Add

$14.99

Add

Don't see the accessory you're looking for?
View all available accessories for the NVX SDBSK2 Premium Stealth Black.
NVX SDRLR1 Sound Dampening Rubber Roller

Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

SDRLR1 main
Go to item page

Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

• Universal Heavy Duty Roller Tool for Installing Sound Damping from NVX, Dynamat, and others
• Thick Plated Steel Frame
• 2" Solid Rubber Roller

85
NVX SDRLR1 Sound Dampening Rubber Roller

Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

In stock

$9.99 (20.02% off)
$7.99
Hide info
More info Item page
3 Special offers
  • 50% off Roller with Purchase of Select Sound Deadener!
  • Free Roller with Purchase of Select Sound Deadener!
  • 15% off Roller with Purchase of Select Sound Deadener!

Item Added to Cart

SDRLR1 small

Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

$7.99

Keep Shopping

NVX SD-KIT

Complete Sound Dampening Installation Kit

$29.97

Add

Don't see the accessory you're looking for?
View all available accessories for the NVX SDRLR1 Sound Dampening Rubber Roller.
Belva BSA10LED

Universal 10-inch RGB LED Subwoofer Light Ring with Remote

BSA10LED main
Go to item page

Universal 10-inch RGB LED Subwoofer Light Ring with Remote

• Remote Control Included
• Use the remote to cycle through over 30 different modes
• LEDs have an adjustable brightness
• The lights have the ability to sync to the music and change to the beat
• The fitment is universal and this subwoofer light ring should fit almost all 10" subwoofers

3
Belva BSA10LED

Universal 10-inch RGB LED Subwoofer Light Ring with Remote

In stock

$39.99 (57.51% off)
$16.99
Hide info
More info Item page
1 Special offer
  • Add a Universal Subwoofer Light Ring With Remote!
Dual 12" 3/4 MDF Sealed Subwoofer Enclosure (Belva MDFD12)

Dual 12-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/Polyfil (2.46 cu ft Airspace - 12SQB)

MDFD12 main
Go to item page

Dual 12-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/Polyfil (2.46 cu ft Airspace - 12SQB)

• 3/4" Medium Density Fiberboard Construction
• Durable Black Carpeting
• Pre-Lined with Poly-Fil
• Gold Speaker Terminals

109
Dual 12" 3/4 MDF Sealed Subwoofer Enclosure (Belva MDFD12)

Dual 12-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/Polyfil (2.46 cu ft Airspace - 12SQB)

In stock

 
$119.99
Hide info
More info Item page
1 Special offer
  • 50% Off Speaker Wire with Enclosure Purchase

Item Added to Cart

MDFD12 small

Dual 12-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/Polyfil (2.46 cu ft Airspace - 12SQB)

$119.99

Keep Shopping

NVX XKIT42 - 4 Gauge Amp Kit

Pure Virgin Copper, 4 Gauge Amplifier Installation Kit

$99.99

Add
Atrend 12GB

Black Bar Style Grille for 12" Subwoofers (1Pair)

$27.99

Add
NVX SDRLR1 Universal Roller Tool

Install your sound damping with the SDRLR1 tool

$7.99

Add

Don't see the accessory you're looking for?
View all available accessories for the Dual 12" 3/4 MDF Sealed Subwoofer Enclosure (Belva MDFD12).
JL Audio Stealthbox® SB-GM-AVAL/12TW3

Custom fit subwoofer enclosure for 2002-2012 Chevrolet Avalanche & 2002-2009 Cadillac Escalade

SB-GM-AVAL/12TW3 main
Go to item page

Custom fit subwoofer enclosure for 2002-2012 Chevrolet Avalanche & 2002-2009 Cadillac Escalade

• Loaded Vehicle Specific Stealthbox Subwoofer Enclosure with Dual JL Audio 12TW3-D4
• 800 Watts RMS Power Handling
• Stealthbox seamlessly replaces the factory mid-gate

JL Audio Stealthbox® SB-GM-AVAL/12TW3

Custom fit subwoofer enclosure for 2002-2012 Chevrolet Avalanche & 2002-2009 Cadillac Escalade

Special order

Ships at Later Date

 
Vip Icon $1,899.99
JL Audio Stealthbox® SB-GM-SLVCC2/12TW3/BK

Custom fit subwoofer enclosure for 2007-2013 Chevrolet Silverado / GMC Sierra Crew Cab Trucks with Ebony interior

SB-GM-SLVCC2/12TW3/BK main
Go to item page

Custom fit subwoofer enclosure for 2007-2013 Chevrolet Silverado / GMC Sierra Crew Cab Trucks with Ebony interior

• Loaded Vehicle Specific Stealthbox Subwoofer Enclosure with Dual JL Audio 12TW3-D4
• 800 Watts RMS
• For 2007-2013 Chevrolet Silverado / GMC Sierra Crew Cab Trucks with Ebony interior
• Stealthbox installs neatly under rear seat

1
JL Audio Stealthbox® SB-GM-SLVCC2/12TW3/BK

Custom fit subwoofer enclosure for 2007-2013 Chevrolet Silverado / GMC Sierra Crew Cab Trucks with Ebony interior

In stock

Only 2 Left!

$2499.99 (34.00% off)
Vip Icon $1,649.99
Hide info
More info Item page
1 Special offer
  • Get A Free $100 Dollar Gift Card With Purchase!
Kicker GR120 12" Subwoofer Speaker Grille

12" Subwoofer Speaker Grill for Kicker Comp, TCompRT, CompRT, CompVR, CompVT, CompVX, and Solo Classic Subs

GR120 main
Go to item page

12" Subwoofer Speaker Grill for Kicker Comp, TCompRT, CompRT, CompVR, CompVT, CompVX, and Solo Classic Subs

Subwoofer Grille for Kicker Comp and Solo Classic Series • Protects Exposed Subwoofer • Easy Installation • Black Metallic Finish •

10
Kicker GR120 12" Subwoofer Speaker Grille

12" Subwoofer Speaker Grill for Kicker Comp, TCompRT, CompRT, CompVR, CompVT, CompVX, and Solo Classic Subs

In stock

$29.95 (33.39% off)
Vip Icon $19.95
JL Audio Stealthbox® SB-D-MGACAB/10W6v3

Custom fit subwoofer enclosure for 2006-Up Dodge Ram Mega Cab (Black)

SB-D-MGACAB/10W6v3 main
Go to item page

Custom fit subwoofer enclosure for 2006-Up Dodge Ram Mega Cab (Black)

• Loaded Vehicle Specific Stealthbox Subwoofer Enclosure with Dual 10" 10W6v3 Subwoofers
• 2400W Max • 1200W RMS
• For 2006-Up Dodge Ram Mega Cab
• Stealthbox Installs behind rear seat

JL Audio Stealthbox® SB-D-MGACAB/10W6v3

Custom fit subwoofer enclosure for 2006-Up Dodge Ram Mega Cab (Black)

Special order

Ships at Later Date

$2499.99 (32.00% off)
Vip Icon $1,699.99
Belva BNAPLG1 Banana Plug Connector

Gold Plated with Dual Terminals

BNAPLG1 main
Go to item page

Gold Plated with Dual Terminals

• Accepts Up To 8 Gauge
• Dual Red Molded Design
• Compression Style Connection
• Expandable Quick Connection
• Gold Plating

13
Belva BNAPLG1 Banana Plug Connector

Gold Plated with Dual Terminals

In stock

$6.99 (57.22% off)
$2.99
NVX SDTK20 - 90mil 2.3mm THICK

Trunk Kit - 20 Square Feet of Sound Deadening Material (Five 18" x 32" Pieces)

SDTK20 main
Go to item page

Trunk Kit - 20 Square Feet of Sound Deadening Material (Five 18" x 32" Pieces)

• Eliminates Road Noise
• 2.3mm (90.55mil) thick for better performance
• Quiets Vibrations
• Stops Rattles • Increases SPL
• Reduces Heat
• Simple To Install
• Easy To Form Aluminum
• Four Step Peel and Stick Installation
• Five 18" x 32" Pieces

97
NVX SDTK20 - 90mil 2.3mm THICK

Trunk Kit - 20 Square Feet of Sound Deadening Material (Five 18" x 32" Pieces)

In stock

$89.99 (33.34% off)
$59.99
Hide info
More info Item page
9 Special offers
  • Free NVX Black Reusable Cloth Face Mask with purchase!
  • 50% off Roller with Purchase of Select Sound Deadener!
  • 25% Off a Sound Dampening Kit with Your Subwoofer Purchase!
  • 50% Off a Sound Dampening Kit with Your Subwoofer Purchase!
  • Add a Sound Dampening Kit with Your Subwoofer Purchase!
  • FREE Sound Dampening Kit with Your Subwoofer Purchase!
  • 30% Off a Sound Dampening Kit with Your Subwoofer Purchase!
  • 10% Off a Sound Dampening Kit with Your Subwoofer Purchase!
  • 20% Off a Sound Dampening Kit with Your Subwoofer Purchase!

Item Added to Cart

SDTK20 small

Trunk Kit - 20 Square Feet of Sound Deadening Material (Five 18" x 32" Pieces)

$59.99

Keep Shopping

NVX SD-KIT

Complete Sound Dampening Installation Kit

$29.97

Add

Don't see the accessory you're looking for?
View all available accessories for the NVX SDTK20 - 90mil 2.3mm THICK.
Install Bay IBR68

All In One Tester with 9V Tone Generator

IBR68 main
Go to item page

All In One Tester with 9V Tone Generator

• All In One Tester/Tone Generator
• Speaker tester with 9V
• RCA cable tester
• Easy to use control knobs
• Auto off function

10
Install Bay IBR68

All In One Tester with 9V Tone Generator

In stock

$19.99 (15.01% off)
$16.99
NVX NBTERM2

Square Push Style Outer Design Terminal Cups With Chrome-Plated Contacts

NBTERM2 main
Go to item page

Square Push Style Outer Design Terminal Cups With Chrome-Plated Contacts

• Universal Square Chrome-plated Terminal Cup for Speaker & Subwoofer boxes
• Chrome-plated contacts for optimal signal transfer
• Screw binding posts for a tight secure connection
• Positive (Red) and negative (Black) indicators to ensure proper wiring
• Easy to install and use

NVX NBTERM2

Square Push Style Outer Design Terminal Cups With Chrome-Plated Contacts

In stock

$9.99 (50.05% off)
$4.99
Belva Single 10" Subwoofer Angled Truck or Hatchback Box Enclosure (1TRUCK10)

10ANTCM - CARB Compliant, 5/8" MDF Shallow Sub Enclosure Lined with Polyfil

1TRUCK10 main
Go to item page

10ANTCM - CARB Compliant, 5/8" MDF Shallow Sub Enclosure Lined with Polyfil

• 5/8" MDF (Medium Density Fiberboard)
• Perfect for tight spaces (trucks/hatchbacks)
• fits most 10" subwoofers
• fully carpeted
• fully caulked and sealed tight

51
Belva Single 10" Subwoofer Angled Truck or Hatchback Box Enclosure (1TRUCK10)

10ANTCM - CARB Compliant, 5/8" MDF Shallow Sub Enclosure Lined with Polyfil

In stock

 
$69.99
Hide info
More info Item page
3 Special offers
  • Get 25% off Sound Damping to stop the rattles/vibrations!
  • Add a Sealed Truck Enclosure to Your Subwoofer Purchase!
  • 25% Off Sealed Truck Enclosure with Your Subwoofer Purchase!

Item Added to Cart

1TRUCK10 small

10ANTCM - CARB Compliant, 5/8" MDF Shallow Sub Enclosure Lined with Polyfil

$69.99

Keep Shopping

NVX XKIT42 - 4 Gauge Amp Kit

Pure Virgin Copper, 4 Gauge Amplifier Installation Kit

$99.99

Add
NVX SDRLR1 Universal Roller Tool

Install your sound damping with the SDRLR1 tool

$7.99

Add
Banana Clip Terminals

These high grade banana clips allow you to plug into your banana clip ready terminal for a secure connection.

$2.99

Add

Don't see the accessory you're looking for?
View all available accessories for the Belva Single 10" Subwoofer Angled Truck or Hatchback Box Enclosure (1TRUCK10).
Atrend 12LSV

12" Single Pro Series Vented SPL Subwoofer Enclosure (2.5 Cu Ft Airspace)

12LSV main
Go to item page

12" Single Pro Series Vented SPL Subwoofer Enclosure (2.5 Cu Ft Airspace)

• 12" Single Pro Series SPL Vented Subwoofer Enclosure
• Premium carpeted Finish
• Silver Spring Loaded Terminal Cups
• Completely Miter and Dado Panels
• Glued and Braced with Fasteners

5
Atrend 12LSV

12" Single Pro Series Vented SPL Subwoofer Enclosure (2.5 Cu Ft Airspace)

In stock

 
$126.99
Hide info
More info Item page
2 Special offers
  • Add a Pro Series Ported Enclosure to Your Sub Purchase!
  • FREE Pro Series SPL Ported Enclosure with Purchase!

Item Added to Cart

12LSV small

12" Single Pro Series Vented SPL Subwoofer Enclosure (2.5 Cu Ft Airspace)

$126.99

Keep Shopping

NVX XKIT42 - 4 Gauge Amp Kit

Pure Virgin Copper, 4 Gauge Amplifier Installation Kit

$99.99

Add
NVX SDRLR1 Universal Roller Tool

Install your sound damping with the SDRLR1 tool

$7.99

Add
Banana Clip Terminals

These high grade banana clips allow you to plug into your banana clip ready terminal for a secure connection.

$2.99

Add

Don't see the accessory you're looking for?
View all available accessories for the Atrend 12LSV.
Install Bay 2" Round Terminal Cup (TCRBG2)

Round Binding Post with Gold Terminals for Subwoofer and Speaker Boxes

TCRBG2 main
Go to item page

Round Binding Post with Gold Terminals for Subwoofer and Speaker Boxes

• Universal round terminal cup for speaker and subwoofer boxes
• Gold-plated contacts improve signal transfer
• Installation is a breeze
• Rear connections secure with nuts
• Thumbscrew binding posts secure the connection

3
Install Bay 2" Round Terminal Cup (TCRBG2)

Round Binding Post with Gold Terminals for Subwoofer and Speaker Boxes

In stock

$5.98 (33.28% off)
$3.99
1.5 Cu Ft - Single 12" Sealed MDF Subwoofer Enclosure (Belva MDFS1215)

12-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/ Polyfil (1.5 cu ft airspace)

MDFS1215 main
Go to item page

12-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/ Polyfil (1.5 cu ft airspace)

• 3/4" Medium Density Fiberboard Construction
• Durable Black Carpeting
• Pre-Lined with Poly-Fil
• Gold Speaker Terminals
• 1.5 Cubic ft Box Volume

48
1.5 Cu Ft - Single 12" Sealed MDF Subwoofer Enclosure (Belva MDFS1215)

12-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/ Polyfil (1.5 cu ft airspace)

In stock

$109.99 (18.18% off)
$89.99
Hide info
More info Item page
7 Special offers
  • Get a FREE Sealed Enclosure with Your Subwoofer Purchase!
  • Save 5% on a Sealed Enclosure with Your Subwoofer Purchase!
  • You'll Need an Enclosure with Your Subwoofer Purchase!
  • Save 35% on a Sealed Enclosure with Your Subwoofer Purchase!
  • Save 20% on a Sealed Enclosure with Your Subwoofer Purchase!
  • 25% Off a Sealed Enclosure with Your Kicker Sub Purchase!
  • 50% Off Speaker Wire with Enclosure Purchase

Item Added to Cart

MDFS1215 small

12-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/ Polyfil (1.5 cu ft airspace)

$89.99

Keep Shopping

NVX XKIT42 - 4 Gauge Amp Kit

Pure Virgin Copper, 4 Gauge Amplifier Installation Kit

$99.99

Add
NVX SDRLR1 Universal Roller Tool

Install your sound damping with the SDRLR1 tool

$7.99

Add
Banana Clip Terminals

These high grade banana clips allow you to plug into your banana clip ready terminal for a secure connection.

$2.99

Add

Don't see the accessory you're looking for?
View all available accessories for the 1.5 Cu Ft - Single 12" Sealed MDF Subwoofer Enclosure (Belva MDFS1215).
NVX XHESG10

10" high excursion woofer grill

XHESG10 main
Go to item page

10" high excursion woofer grill

• 10" subwoofer grille
• Color: matte black
• Comes with grille and mounting bracket
• Hardware screws not included

NVX XHESG10

10" high excursion woofer grill

In stock

$29.99 (23.34% off)
$22.99
BAMMD1 main
Go to item page

By Belva

• Features easy-to-read 2" Digital display
• Updates 2.5 times per second
• Low battery indicator
• Over range indicator
• Includes two 24 in. 18 gauge CCA test leads

2

In stock

$19.99 (60.03% off)
$7.99
Hide info
More info Item page
1 Special offer
  • Add a Belva Multimeter today!
Kicker GR100 10" Speaker Grille

10" Speaker Grille for Kicker Comp, CompVR, CompVT , CompVX, and Solo Classic

GR100 main
Go to item page

10" Speaker Grille for Kicker Comp, CompVR, CompVT , CompVX, and Solo Classic

Subwoofer Grille for Kicker Comp and Solo Classic Series • Protects Exposed Subwoofer • Easy Installation • Black Metallic Finish •

14
Kicker GR100 10" Speaker Grille

10" Speaker Grille for Kicker Comp, CompVR, CompVT , CompVX, and Solo Classic

In stock

$25.95 (23.12% off)
Vip Icon $19.95

Items per page: 20

Related Categories