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NVX XBG3PK Big 3 Kit with True 0 Gauge 100% Oxygen-Free Copper

1/0 AWG Big 3 Upgrade Kit with 100% OFC Wire for Audio Sytems up to 350 Amps

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1/0 AWG Big 3 Upgrade Kit with 100% OFC Wire for Audio Sytems up to 350 Amps

• Upgrade Your Factory Power and Ground Wire
• Perfect for Dealing with Dimming Lights
• Improve the Efficiency of Your Vehicle's Electrical System
• Use for Systems 350A or Less
• Includes All Necessary Wiring
• Ring Terminals are Pre-Connected to Power and Ground Wire

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$99.99

In stock

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Item added to your cart.

Price: $99.99

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

NVX XW1850BL

50 ft of 18 Gauge Blue Remote Wire/Cable

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50 ft of 18 Gauge Blue Remote Wire/Cable

• Single Conductor Primary Wire
• Length: 50ft
• Flexible Jacket
• Color: Blue

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$7.99

In stock

• Single Conductor Primary Wire
• Length: 50ft
• Flexible Jacket
• Color: Blue

NVX BIR500

500 Amp Relay Isolator (BIR500)

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500 Amp Relay Isolator (BIR500)

• 500 Amp Battery Isolator
• 500 Amps at 12V Continuous
• 700 Amps Surge
• Switching Power: 10 - 16 VDC

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$65.99

In stock

BIR500 small

Item added to your cart.

Price: $65.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

NVX XMANL04

1/0 or 4 Gauge AWG ANL/Mini-ANL In-ine Fuse Holder for Car Audio and Marine Audio

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1/0 or 4 Gauge AWG ANL/Mini-ANL In-ine Fuse Holder for Car Audio and Marine Audio

• ANL/Mini-ANL Fuse Holder
• One 1/0 - 4 Gauge Input
• One 1/0 - 4 Gauge Output
• Solid Brass And Satin Chrome Plated
• High-Temperature Polycarbonate Base And Cover

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42
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$13.99

In stock

• ANL/Mini-ANL Fuse Holder
• One 1/0 - 4 Gauge Input
• One 1/0 - 4 Gauge Output
• Solid Brass And Satin Chrome Plated
• High-Temperature Polycarbonate Base And Cover

XMANL04 small

Item added to your cart.

Price: $13.99

Essential add-ons
80 Amp, 4 Pack of Mini ANL (MANL/AFS) Fuses

Belva BMANL80 set of 4 fuses with an 80A size

$8.99

$3.99

Add to cart
100 Amp, 4 Pack of Mini ANL (MANL/AFS) Fuses

Belva BMANL100 set of 4 fuses with an 100A size

$8.99

$3.99

Add to cart
125 Amp, 4 Pack of Mini ANL (MANL/AFS) Fuses

Belva BMANL125 set of 4 fuses with an 125A size

$8.99

$3.99

Add to cart
Belva BANL100

2 Pack of 100 Amp Nickel-Plated ANL Fuses

$7.99

$3.99

Add to cart
Belva BANL300

2 Pack of 300 Amp Nickel-Plated ANL Fuses

$7.99

$3.99

Add to cart
Belva BANL150

2 Pack of 150 Amp Nickel-Plated ANL Fuses

$7.99

$3.99

Add to cart
Belva BANL200

2 Pack of 200 Amp Nickel-Plated ANL Fuses

$7.99

$3.99

Add to cart
NVX XW0BL5

5 ft of Blue 1/0 Gauge 100% OFC Wire/Cable

$49.99

$29.99

Add to cart
NVX XW0GR5

5 ft of Gray 1/0 Gauge 100% OFC Wire/Cable

$39.99

$29.99

Add to cart

NVX XFMANL

0/4 Gauge AWG ANL/Mini-ANL Modular Linkable In-ine Fuse Holder for Car Audio and Marine Audio

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0/4 Gauge AWG ANL/Mini-ANL Modular Linkable In-ine Fuse Holder for Car Audio and Marine Audio

• Pack of ANL Fuses
• See-through windows allow for easy inspection
• High-temperature, impact-resistant plastic casings
• Ultimate circuit protection
• High conductivity plating
• Maximum current transfer

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2
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$16.99

In stock

• Pack of ANL Fuses
• See-through windows allow for easy inspection
• High-temperature, impact-resistant plastic casings
• Ultimate circuit protection
• High conductivity plating
• Maximum current transfer

XFMANL small

Item added to your cart.

Price: $16.99

Essential add-ons
80 Amp, 4 Pack of Mini ANL (MANL/AFS) Fuses

Belva BMANL80 set of 4 fuses with an 80A size

$8.99

$3.99

Add to cart
100 Amp, 4 Pack of Mini ANL (MANL/AFS) Fuses

Belva BMANL100 set of 4 fuses with an 100A size

$8.99

$3.99

Add to cart
125 Amp, 4 Pack of Mini ANL (MANL/AFS) Fuses

Belva BMANL125 set of 4 fuses with an 125A size

$8.99

$3.99

Add to cart
Belva BANL100

2 Pack of 100 Amp Nickel-Plated ANL Fuses

$7.99

$3.99

Add to cart
Belva BANL300

2 Pack of 300 Amp Nickel-Plated ANL Fuses

$7.99

$3.99

Add to cart
Belva BANL150

2 Pack of 150 Amp Nickel-Plated ANL Fuses

$7.99

$3.99

Add to cart
Belva BANL200

2 Pack of 200 Amp Nickel-Plated ANL Fuses

$7.99

$3.99

Add to cart
NVX XW0BL5

5 ft of Blue 1/0 Gauge 100% OFC Wire/Cable

$49.99

$29.99

Add to cart
NVX XW0GR5

5 ft of Gray 1/0 Gauge 100% OFC Wire/Cable

$39.99

$29.99

Add to cart

NVX XW1850CL

50 ft of 18 Gauge Clear Remote Wire/Cable

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50 ft of 18 Gauge Clear Remote Wire/Cable

• Single Conductor Primary Wire
• Length: 50ft
• Flexible Jacket
• Color: Clear

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$7.99

In stock

• Single Conductor Primary Wire
• Length: 50ft
• Flexible Jacket
• Color: Clear

NVX XW0BL20

20 ft. of EnvyFlex Metallic Powder Blue True Spec 1/0-Gauge Power/Ground Wire Cable

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20 ft. of EnvyFlex Metallic Powder Blue True Spec 1/0-Gauge Power/Ground Wire Cable

• 20 Ft. 1/0 Gauge EnvyFlex Power or Ground Cable
• Superior Flexibility
• Excellent Insulation and Durability
• Silver-Tinned 100% Virgin Copper
• True to Gauge Measurement

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$99.99

In stock

• 20 Ft. 1/0 Gauge EnvyFlex Power or Ground Cable
• Superior Flexibility
• Excellent Insulation and Durability
• Silver-Tinned 100% Virgin Copper
• True to Gauge Measurement

XW0BL20 small

Item added to your cart.

Price: $99.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
Install Bay IBHDCRIMP

Hammer Style Large Cable Crimper for 0-8 Gauge Cables

$39.99

$24.99

Add to cart
Belva BRT038

0/1 Gauge Ring Terminals, 3/8" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

$9.99

$4.99

Add to cart
Belva BRT0516

0/1 Gauge Ring Terminals, 5/16" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

$9.99

$4.99

Add to cart

NVX XVRC2

Universal Remote Level Controller/Bass Knob with Digital Voltmeter

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Universal Remote Level Controller/Bass Knob with Digital Voltmeter

• NVX Remote Level Controller with Digital Voltmeter
• Can adjust the amplifier gain even while driving
• In-dash or Under-dash mountable
• Compatible with most head units/amplifiers combinations
• Blue LED display (high voltage / low voltage)

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$29.99

In stock

• NVX Remote Level Controller with Digital Voltmeter
• Can adjust the amplifier gain even while driving
• In-dash or Under-dash mountable
• Compatible with most head units/amplifiers combinations
• Blue LED display (high voltage / low voltage)

NVX XW4BK5

5 ft. of Frosted Black True Spec 4-Gauge EnvyFlex Power/Ground Wire Cable

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5 ft. of Frosted Black True Spec 4-Gauge EnvyFlex Power/Ground Wire Cable

• NVX EnvyFlex 4 AWG Power/Ground Cable
• Flexible Insulation and Multi-Strand Construction
• Durable Translucent Jacket
• Silver-Tinned 100% Virgin Copper
• True to Gauge

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1
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$14.99

In stock

• NVX EnvyFlex 4 AWG Power/Ground Cable
• Flexible Insulation and Multi-Strand Construction
• Durable Translucent Jacket
• Silver-Tinned 100% Virgin Copper
• True to Gauge

XW4BK5 small

Item added to your cart.

Price: $14.99

Essential add-ons
Kicker Positive/Negative Battery Terminal Clamp

This battery terminal clamp has 3 outputs (One 1/0 or 4 AWG and two 4 or 8 AWG)

$34.99

$34.99

Add to cart
NVX XBTU Battery Terminal

Universal Positive/Negative Satin Chrome Battery Terminal with one 0/1 Gauge Input and two 4 Gauge Outputs

$24.99

$16.99

Add to cart
Install Bay IBHDCRIMP

Hammer Style Large Cable Crimper for 0-8 Gauge Cables

$39.99

$24.99

Add to cart
Belva BRT438

4 Gauge Ring Terminals, 3/8" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

$9.99

$2.99

Add to cart
Belva BST408

Pair of 4 Gauge Spade Terminals, #8 Opening with Nickel Plated Brass (1 Black & 1 Red)

$3.99

$1.99

Add to cart

NVX XW8BL20

20 ft. of Metallic Powder Blue EnvyFlex True Spec 8-Gauge Power/Ground Wire Cable

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20 ft. of Metallic Powder Blue EnvyFlex True Spec 8-Gauge Power/Ground Wire Cable

• 8-Gauge EnvyFlex Power/Ground Wire Cable
• 20 Ft. Spool • Ideal for 200-400 Watts
• Flexible Multi-Strand Construction
• Silver-Tinned 100% Virgin Copper

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17
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$24.99

In stock

XW8BL20 small

Item added to your cart.

Price: $24.99

Essential add-ons
NVX XMFH48

World's Smallest AFS / Mini ANL Fuse Holder

$19.99

$10.99

Add to cart
Install Bay IBHDCRIMP

Hammer Style Large Cable Crimper for 0-8 Gauge Cables

$39.99

$24.99

Add to cart
Belva BRT8516

8 Gauge Ring Terminals, 5/16" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

$7.99

$2.99

Add to cart
Install Bay SLT38

100 ft of 3/8" Split Loom Tubing

$24.99

$15.99

Add to cart

NVX XW4BL20

20 ft. of Metallic Powder Blue EnvyFlex True Spec 4-Gauge Power/Ground Wire Cable

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20 ft. of Metallic Powder Blue EnvyFlex True Spec 4-Gauge Power/Ground Wire Cable

• Metallic Powder Blue 4-Gauge Power/Ground Wire Cable
• Silver-Tinned 100% Virgin Copper
• EnvyFlex Outer Jacket
• Length: 20 Feet

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31
Was $59.99 Details
$54.99

In stock

XW4BL20 small

Item added to your cart.

Price: $54.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
Kicker Positive/Negative Battery Terminal Clamp

This battery terminal clamp has 3 outputs (One 1/0 or 4 AWG and two 4 or 8 AWG)

$34.99

$34.99

Add to cart
NVX XBTU Battery Terminal

Universal Positive/Negative Satin Chrome Battery Terminal with one 0/1 Gauge Input and two 4 Gauge Outputs

$24.99

$16.99

Add to cart
Install Bay IBHDCRIMP

Hammer Style Large Cable Crimper for 0-8 Gauge Cables

$39.99

$24.99

Add to cart
Belva BRT438

4 Gauge Ring Terminals, 3/8" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

$9.99

$2.99

Add to cart
Belva BST408

Pair of 4 Gauge Spade Terminals, #8 Opening with Nickel Plated Brass (1 Black & 1 Red)

$3.99

$1.99

Add to cart

NVX XSBI200

Microprocessor-Controlled 200 Amp, Dual Sensing Smart Relay Battery Isolator

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Microprocessor-Controlled 200 Amp, Dual Sensing Smart Relay Battery Isolator

• 200 Amp Battery Isolator
• 200 Amps at 12V Continuous
• 300 Amps Surge
• Switching Power: 10 - 16 VDC

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4
Was $79.99 Details
$54.99

In stock

XSBI200 small

Item added to your cart.

Price: $54.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

NVX XW4BL5

5 ft. of Metallic Powder Blue EnvyFlex True Spec 4-Gauge Power/Ground Wire Cable

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5 ft. of Metallic Powder Blue EnvyFlex True Spec 4-Gauge Power/Ground Wire Cable

• Metallic Powder Blue 4-Gauge Power/Ground Wire Cable
• Silver-Tinned 100% Virgin Copper
• EnvyFlex Outer Jacket • Length: 5 Feet

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$14.99

In stock

• Metallic Powder Blue 4-Gauge Power/Ground Wire Cable
• Silver-Tinned 100% Virgin Copper
• EnvyFlex Outer Jacket • Length: 5 Feet

XW4BL5 small

Item added to your cart.

Price: $14.99

Essential add-ons
Kicker Positive/Negative Battery Terminal Clamp

This battery terminal clamp has 3 outputs (One 1/0 or 4 AWG and two 4 or 8 AWG)

$34.99

$34.99

Add to cart
NVX XBTU Battery Terminal

Universal Positive/Negative Satin Chrome Battery Terminal with one 0/1 Gauge Input and two 4 Gauge Outputs

$24.99

$16.99

Add to cart
Install Bay IBHDCRIMP

Hammer Style Large Cable Crimper for 0-8 Gauge Cables

$39.99

$24.99

Add to cart
Belva BRT438

4 Gauge Ring Terminals, 3/8" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

$9.99

$2.99

Add to cart
Belva BST408

Pair of 4 Gauge Spade Terminals, #8 Opening with Nickel Plated Brass (1 Black & 1 Red)

$3.99

$1.99

Add to cart

NVX XBTPN08

Positive or Negative Battery Terminal Clamp with 4 Outputs (2 1/0 or 4 Gauge and 2 8 Gauge)

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Positive or Negative Battery Terminal Clamp with 4 Outputs (2 1/0 or 4 Gauge and 2 8 Gauge)

• Splits Connection to 4 Outputs
• Brass Construction
• 1/0 or 4-Gauge and 4 or 8-Gauge Outputs

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In stock

• Splits Connection to 4 Outputs
• Brass Construction
• 1/0 or 4-Gauge and 4 or 8-Gauge Outputs

NVX XCAP1F

True 1.0 Farad 20V Capacitor with Digital Read-out, Built-in Distribution Block

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True 1.0 Farad 20V Capacitor with Digital Read-out, Built-in Distribution Block

• For Systems Up To 1200 Watts
• Bright Blue LED Voltage Display
• Improves Bass Response (SPL)

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$89.99

In stock

Only 1 Left!

XCAP1F small

Item added to your cart.

Price: $89.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
NVX Precut Power/Ground Wire (4 AWG)

5 ft. of NVX's HyperFlex power/ground cable with high-current transfer and blue insulation.

$19.99

$14.99

Add to cart

NVX XW0BL5

5 ft. of Metallic Powder Blue EnvyFlex True Spec 1/0-Gauge Power/Ground Wire Cable

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5 ft. of Metallic Powder Blue EnvyFlex True Spec 1/0-Gauge Power/Ground Wire Cable

• XW0BL5 Metallic Powder Blue 1/0-Gauge Power/Ground Wire Cable
• Silver-Tinned 100% Virgin Copper
• EnvyFlex Outer Jacket
• Length: 5 Feet

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$29.99

In stock

Only 1 Left!

XW0BL5 small

Item added to your cart.

Price: $29.99

Essential add-ons
Install Bay IBHDCRIMP

Hammer Style Large Cable Crimper for 0-8 Gauge Cables

$39.99

$24.99

Add to cart
Belva BRT038

0/1 Gauge Ring Terminals, 3/8" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

$9.99

$4.99

Add to cart
Belva BRT0516

0/1 Gauge Ring Terminals, 5/16" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

$9.99

$4.99

Add to cart

NVX XAGU48

4/8 Gauge AWG AGU In-ine Fuse Holder for Car Audio and Marine Audio

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4/8 Gauge AWG AGU In-ine Fuse Holder for Car Audio and Marine Audio

• 4/8 Gauge In-line Fuse Holder
• Satin Chrome Plated For Excellent Power Transfer And Great Design
• Screw Terminals Hold Cables Securely In Place
• Smoked Heat Resistant Housing

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$6.99

In stock

• 4/8 Gauge In-line Fuse Holder
• Satin Chrome Plated For Excellent Power Transfer And Great Design
• Screw Terminals Hold Cables Securely In Place
• Smoked Heat Resistant Housing

XAGU48 small

Item added to your cart.

Price: $6.99

Essential add-ons
Belva BAGU60

4 Pack of 60 Amp Nickel-Plated AGU Fuses

$8.99

$3.99

Add to cart
Belva BAGU100

4 Pack of 100 Amp Nickel-Plated AGU Fuses

$6.99

$3.99

Add to cart
NVX XW4BL5

5 ft of Blue 4 Gauge 100% OFC Wire/Cable

$19.99

$14.99

Add to cart

NVX XMFH48

4/8 Gauge AWG Mini-ANL/MANL/AFS In-ine Fuse Holder for Car Audio and Marine Audio (World's Smallest)

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4/8 Gauge AWG Mini-ANL/MANL/AFS In-ine Fuse Holder for Car Audio and Marine Audio (World's Smallest)

• Works with Mini ANL (MANL) or AFS Fuses
• Accepts 4 or 8 Gauge Wire
• All Brass Construction
• Polycarbonate Base and Cover

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$10.99

In stock

• Works with Mini ANL (MANL) or AFS Fuses
• Accepts 4 or 8 Gauge Wire
• All Brass Construction
• Polycarbonate Base and Cover

XMFH48 small

Item added to your cart.

Price: $10.99

Essential add-ons
80 Amp, 4 Pack of Mini ANL (MANL/AFS) Fuses

Belva BMANL80 set of 4 fuses with an 80A size

$8.99

$3.99

Add to cart
100 Amp, 4 Pack of Mini ANL (MANL/AFS) Fuses

Belva BMANL100 set of 4 fuses with an 100A size

$8.99

$3.99

Add to cart
125 Amp, 4 Pack of Mini ANL (MANL/AFS) Fuses

Belva BMANL125 set of 4 fuses with an 125A size

$8.99

$3.99

Add to cart
NVX XW4BL5

5 ft of Blue 4 Gauge 100% OFC Wire/Cable

$19.99

$14.99

Add to cart
Lowest price in 30 days

NVX XW0WH20

20 ft. of Frosted White True Spec 1/0-Gauge EnvyFlex Power/Ground Wire Cable

XW0WH20 big
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20 ft. of Frosted White True Spec 1/0-Gauge EnvyFlex Power/Ground Wire Cable

• NVX EnvyFlex 1/0 AWG Power/Ground Cable
• Flexible Insulation and Multi-Strand Construction
• Durable Translucent Jacket
• Silver-Tinned 100% Virgin Copper
• True to Gauge

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3
Was $159.99 Details
$89.99

In stock

• NVX EnvyFlex 1/0 AWG Power/Ground Cable
• Flexible Insulation and Multi-Strand Construction
• Durable Translucent Jacket
• Silver-Tinned 100% Virgin Copper
• True to Gauge

XW0WH20 small

Item added to your cart.

Price: $89.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
Install Bay IBHDCRIMP

Hammer Style Large Cable Crimper for 0-8 Gauge Cables

$39.99

$24.99

Add to cart
Belva BRT038

0/1 Gauge Ring Terminals, 3/8" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

$9.99

$4.99

Add to cart
Belva BRT0516

0/1 Gauge Ring Terminals, 5/16" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

$9.99

$4.99

Add to cart

NVX XSBI500

Microprocessor-Controlled 500 Amp, Dual Sensing Smart Relay Battery Isolator

XSBI500 big
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Microprocessor-Controlled 500 Amp, Dual Sensing Smart Relay Battery Isolator

• 500 Amp Battery Isolator
• 500 Amps at 12V Continuous
• 700 Amps Surge
• Switching Power: 10 - 16 VDC

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VIP Product Get $7.50 in rewards to spend later

empty

4
Was $99.99 Details
$74.99

In stock

XSBI500 small

Item added to your cart.

Price: $74.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

Items per page: 20

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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

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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
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