Complete your audio installations within our name brand power and ground cables designed with high quality components and materials. Search this section and get your sound system hooked up properly.

Power & Ground Wire

Find different sizes, lengths, and colors of power/ground wires.
Get The Right Gauge Wire
Understand what gauge works best for your amp.
Read Guide
All Power & Ground Wire
0 Gauge Power & Ground Wire
2 Gauge Power & Ground Wire
4 Gauge Power & Ground Wire
8 Gauge Power & Ground Wire
10 Gauge Power & Ground Wire
12 Gauge Power & Ground Wire
18 Gauge Remote Primary Wire
Grommets & Firewall Bushings
Ring Terminals
Spade Terminals
Tubing

Top Sellers in Power & Ground Wire

8 Gauge Full Spec CCA Amplifier Wiring Kit for Systems up to 450 Watts

• 8 Gauge Power Amplifier Installation Kit
• Ideal for Systems Up to 450 Watts
• Premium Power and Ground Wire Provides Optimal Power Transfer

$14.99

IN STOCK

Great Connection Kit for Stereo to Car Wire Harness with Zip Ties and Butt Connectors

• Designed to connect in-dash receiver wiring harness to vehicle wiring harness

50% off Stereo Connection Kit with Select Purchase!

$4.99

IN STOCK

  • 5.0
6 reviews

5 ft. of Metallic Gray True Spec 8-Gauge EnvyFlex Power/Ground Wire Cable

• 8-Gauge EnvyFlex Power/Ground Wire
• Metallic Gray Flexible Insulation
• 5 Ft. Pre-Cut Length
• Silver-Tinned 100% Virgin Copper
• Multi-Strand Construction

$5.99

IN STOCK

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

• 5 Ft. 1/0 EnvyFlex Gauge Power or Ground Cable
• Metallic Gray Insulation
• Flexible and Easy to Install
• Silver-Tinned 100% Virgin Copper

$24.99

IN STOCK

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

$15.99

IN STOCK

  • 4.7
6 reviews

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

• 8-Gauge EnvyFlex Power/Ground Wire
• Metallic Gray Flexible Insulation
• 5 Ft. Pre-Cut Length
• Silver-Tinned 100% Virgin Copper Cable
• Multi-Strand Construction

$7.99

IN STOCK

  • 4.7
3 reviews

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

Ring Terminals
• 5/16" Opening
• 8 Gauge
• 3 Red & 2 Black
• Nickel Plated • Resealable Polybag

$2.49

IN STOCK

5 ft. of Metallic Gray EnvyFlex 4-Gauge Power/Ground Wire Cable

4-Gauge EnvyFlex Power/Ground Wire • Metallic Gray Flexible Insulation • 5 Ft. Pre-Cut Length • Silver-Tinned 100% Virgin Copper • Multi-Strand Construction

$15.99

IN STOCK

1/0 Gauge Solid Copper 5/16 Ring Terminals with Shrink Tubing - 4 Pack

• 1/0 Gauge Solid Copper Ring Terminals
• Shrink Tubing
• Pure Copper with Nickel plating for optimal Current transfer
• Color: Black
• Count: 4

$6.99

IN STOCK

  • 4.8
6 reviews

1 ft. of OFC 4 Gauge Cobalt Blue Hyper-Flex Power/Ground Cable (Sold by the Foot)

1 ft. of OFC of 4 Gauge Cobalt Blue Hyper-Flex Power / Ground Cable • Cobalt Blue Hyperflex Insulation For Ultimate Bed And Twist • Silver-tinned OFC (Oxygen-Free Copper) • SOLD by the Foot

$3.95

IN STOCK

Only 1 Left!

  • 5.0
1 review

0 Gauge (1" Mounting Hole) Waterproof Firewall Grommet

• 0 Gauge Firewall Grommet
• IP68 Waterproof Rating
• Protects Cables When Installing Through a FIrewall
• Sold Individually

$7.99

IN STOCK

4 Gauge Solid Copper Ring Terminals with Shrink Tubing - 4 Pack

• 4 Gauge Solid Copper Ring Terminals
• Shrink Tubing
• Pure Copper with Nickel plating for optimal Current transfer
• Color: Black
• Count: 4

$6.99

IN STOCK

  • 5.0
1 review

4 Gauge (7/8" Mounting Hole) Waterproof Firewall Grommet

• 4 Gauge Firewall Grommet
• IP68 Waterproof Rating
• Protects Cables When Installing Through a FIrewall
• Sold Individually

$1.99

IN STOCK

  • 4.5
6 reviews

4 Gauge (7/8" Mounting Hole) Firewall Waterproof Grommet

• 4 Gauge Firewall Bushing
• Water tight seal when power wires pass through metal
• Locks securely as bushing is tightened

$6.99

IN STOCK

  • 5.0
8 reviews

50 ft of 18 Gauge Blue Remote Wire/Cable

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

$4.99

IN STOCK

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

Save 25% on an AFS / Mini ANL Fuse Holder with Purchase!

$39.99

IN STOCK

8 Gauge (3/4" Mounting Hole) Waterproof Firewall Grommet

• 8 Gauge Firewall Grommet
• IP68 Waterproof Rating
• Protects Cables When Installing Through a FIrewall
• Sold Individually

$1.99

IN STOCK

10 Pack of 0 Gauge Waterproof Grommets

• 10 Pack of 1/0 Gauge Waterproof Grommets
• Water Tight Seal
• Locks Securely as Bushing is Tightened
• Heavy Duty Construction
• Corrosion Resistant Material
• Provides a Safe Route for Running Power Cables Through the Firewall

$8.99

IN STOCK

  • 5.0
5 reviews

1/0 Gauge Input to 5/16" Ring Corrosion-Resistant Shoc-Krom Plated Set Screw Ring Terminal

Set Screw Ring Terminal • 1/0 Gauge Input to 5/16" Ring • Deep wire recesses • Oversized Set Screws • Includes Both Red and Black Polarity Bands

$7.99

IN STOCK

  • 5.0
2 reviews

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

• Ring Terminals
• 5/16" Opening
• 4 Gauge
• 1 Red & 1 Black
• Nickel Plated
• Resealable Polybag

$5.99

IN STOCK

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Power & Ground Wire Information

Power & Ground Cable

In order to connect your car audio components, you will need power and ground cable. The power cable transfers the electrical current from the vehicles battery to the aftermarket amplifier. The ground cable completes the electrical circuit and is connected to the vehicles chassis. For each amplifier in the system, having the same gauge of wire is absolutely necessary. Please make sure to connect the recommended gauge of wire to the amplifier to ensure that the appropriate amount of power if able to be transferred to the amplifier. Use the general guidelines below when choosing power and ground cables/wires.

Wire Gauge SizeTotal Amplifier RMS Wattage
0/1 AWG1000+ Watts
2 AWG1000-1500 Watts
4 AWG400-1000 Watts
6 AWG600-800 Watts
8 AWG200-400 Watts
10 AWG100-200 Watts