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Wiring & Power

Keep it clean, keep it loud!

Your system is only as strong as its wiring. At Big Jeff Audio, our Wiring & Power section is stocked with everything you need to power your build the right way. From high-strand OFC power and ground wire to speaker wire, distribution blocks, and circuit protection — we’ve got you covered from front to trunk. Clean installs, consistent voltage, and safe current flow start with quality components.

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Wiring & Power

Alternators Amp Wire Kits Batteries Big 3 Upgrade Capacitors Circuit Breakers Connectors Distribution Blocks Fuses & Fuse Holders Heat Shrink Load Generators Marine Wire Power & Ground Wire RCA Cables Reducers & Adapters Remote Wire RGB Wire Speaker Wire Wire Management

Marine Wire

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Rockford Fosgate 4 AWG 100% OFC Power/Ground Wire Black Lot Cut By The Foot

Rockford Fosgate
$5.75 - $368.68
$5.75 - $368.68
$5.75
$3.19 - $229.46
$3.19 - $229.46
$3.19
In stock

FULL spec cable - meets or exceeds AWG (American Wire Gauge) requirements 4 AWG (21.1mm) 1,862 strands Pure Crystal-Oxygen Free Copper (PC-OFC) So...

View full details
$5.75 - $368.68
$5.75 - $368.68
$5.75
$3.19 - $229.46
$3.19 - $229.46
$3.19
Save up to 38% Save %
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DS18 RCA 25 Feet Marine Tinned OFC 4 Channel Shielded Noise Reduction Cable

DS18
$62.99
$62.99 - $62.99
$62.99
$49.95
$49.95 - $49.95
$49.95
In stock

DS18 RCA 25 Feet Marine Tinned OFC 4 Channel Shielded Noise Reduction CableDS18 25Ft of 4 Channel Marine Cable with Tinned OFC conductor material...

View full details
$62.99
$62.99 - $62.99
$62.99
$49.95
$49.95 - $49.95
$49.95
Save 21% Save %
Save up to 38% Save %

Rockford Fosgate 4 AWG 100% OFC Power/Ground Wire Red Lot Cut By The Foot

Rockford Fosgate
$5.72 - $367.43
$5.72 - $367.43
$5.72
$3.19 - $229.46
$3.19 - $229.46
$3.19
Low stock

FULL spec cable - meets or exceeds AWG (American Wire Gauge) requirements 4 AWG (21.1mm) 1,862 strands Pure Crystal-Oxygen Free Copper (PC-OFC) So...

View full details
$5.72 - $367.43
$5.72 - $367.43
$5.72
$3.19 - $229.46
$3.19 - $229.46
$3.19
Save up to 38% Save %
Save up to 32% Save %

Audiopipe 14 GA Stranded OFC Tinned Copper Marine Power/Ground Wire White Lot

Audiopipe
$1.38 - $199.94
$1.38 - $199.94
$1.38
$0.85 - $135.96
$0.85 - $135.96
$0.85
In stock

MARINE GRADE- this power, ground, remote, primary wire is ready for the elements! TOP QUALITY - Manufactured with the best materials to bring fl...

View full details
$1.38 - $199.94
$1.38 - $199.94
$1.38
$0.85 - $135.96
$0.85 - $135.96
$0.85
Save up to 32% Save %
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DS18 Hydro 8 GA Marine Grade Tin Copper Installation Kit for Amplifier MOFCKIT8

DS18
$162.99
$162.99 - $162.99
$162.99
$129.95
$129.95 - $129.95
$129.95
In stock

DS18 Hydro 8 GA Marine Grade Tin Copper Installation Kit for Amplifier MOFCKIT8This Listing Includes:(1) Waterproof Fuse Holder(1) 17ft. 8 GA White...

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$162.99
$162.99 - $162.99
$162.99
$129.95
$129.95 - $129.95
$129.95
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Audiopipe 12 GA 50 FT OFC Tin Copper Stranded Marine Speaker Wire Spool White

Audiopipe
$62.44
$62.44 - $62.44
$62.44
$42.46
$42.46 - $42.46
$42.46
In stock

MARINE GRADE- this speaker wire is ready for the elements! TOP QUALITY - Manufactured with the best materials to bring flexibility and durability...

View full details
$62.44
$62.44 - $62.44
$62.44
$42.46
$42.46 - $42.46
$42.46
Save 32% Save %
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DS18 RCA 25 Feet Marine Tinned OFC 2 Channel Shielded Noise Reduction Cable

DS18
$34.99
$34.99 - $34.99
$34.99
$27.95
$27.95 - $27.95
$27.95
In stock

DS18 RCA 25 Feet Marine Tinned OFC 2 Channel Shielded Noise Reduction CableDS18 25Ft of 2 Channel Marine Cable with Tinned OFC conductor material...

View full details
$34.99
$34.99 - $34.99
$34.99
$27.95
$27.95 - $27.95
$27.95
Save 20% Save %
Save up to 32% Save %

Audiopipe 4 GA OFC Tinned Marine Power/Ground Wire Ylw Lot Cut By The Foot

Audiopipe
$4.99 - $374.95
$4.99 - $374.95
$4.99
$3.05 - $254.96
$3.05 - $254.96
$3.05
In stock

High-Performance Marine Wire: Audiopipe's 4 AWG Oxygen Free Copper (OFC) wire is specially designed for marine environments, ensuring superior per...

View full details
$4.99 - $374.95
$4.99 - $374.95
$4.99
$3.05 - $254.96
$3.05 - $254.96
$3.05
Save up to 32% Save %
Save up to 32% Save %

Kicker Marine 0 Gauge Tinned OFC Power/Ground Wire Yellow Lot Cut By The Foot

Kicker
$187.00
$8.75 - $449.99
$187.00
$8.75 - $449.99
$8.75 - $449.99
$8.75
In stock

Full-spec OFC cable Tinned in anti-corrosive nickel Meets the highest industry standards for marine use Sold by the foot, 50ft is one roll 5ft, an...

View full details
$187.00
$8.75 - $449.99
$187.00
$8.75 - $449.99
$8.75 - $449.99
$8.75
Save up to 32% Save %
Save up to 32% Save %

Kicker Marine 4 Gauge Tinned OFC Power/Ground Wire Red Lot Cut By The Foot

Kicker
$75.00
$4.59 - $349.99
$75.00
$4.59 - $349.99
$4.59 - $349.99
$4.59
In stock

Full-spec OFC cable Tinned in anti-corrosive nickel Meets the highest industry standards for marine use Sold by the foot, 100ft is one roll 5ft, 1...

View full details
$75.00
$4.59 - $349.99
$75.00
$4.59 - $349.99
$4.59 - $349.99
$4.59
Save up to 32% Save %
Save up to 32% Save %

Audiopipe 4 GA OFC Tinned Marine Power/Ground Wire Blk Lot Cut By The Foot

Audiopipe
$287.44
$2.10 - $287.44
$287.44
$2.10 - $195.46
$2.10 - $195.46
$2.10
In stock

High-Performance Marine Wire: Audiopipe's 4 AWG Oxygen Free Copper (OFC) wire is specially designed for marine environments, ensuring superior per...

View full details
$287.44
$2.10 - $287.44
$287.44
$2.10 - $195.46
$2.10 - $195.46
$2.10
Save up to 32% Save %
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Audiopipe 16 GA 50 FT OFC Tin Copper Stranded Marine Speaker Wire Spool White

Audiopipe
$39.94
$39.94 - $39.94
$39.94
$27.16
$27.16 - $27.16
$27.16
In stock

100% Tin Copper Oxygen Free Copper (OFC) 16 Gauge Perfect for your next car audio or marine audio upgrade PRODUCT DIMENSIONS: 4.5" x 4.5" x 2.75" ...

View full details
$39.94
$39.94 - $39.94
$39.94
$27.16
$27.16 - $27.16
$27.16
Save 32% Save %
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Audiopipe 12 GA 25 FT OFC Tin Copper Stranded Marine Speaker Wire Spool White

Audiopipe
$33.69
$33.69 - $33.69
$33.69
$26.95
$26.95 - $26.95
$26.95
In stock

100% Tin Copper Oxygen Free Copper (OFC) 12 Gauge Perfect for your next car audio or marine audio upgrade PRODUCT DIMENSIONS: 4.75" x 4.75" x 1.75...

View full details
$33.69
$33.69 - $33.69
$33.69
$26.95
$26.95 - $26.95
$26.95
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Kicker Marine 16 GA Silver Tinned OFC Speaker Wire Green/Clr Lot Cut By The Foot

Kicker
$0.60 - $249.99
$0.60 - $249.99
$0.60 - $249.99
$0.60
In stock

100% Oxygen Free Copper Wire Silver Tinned Corrosion Resistant Sold by the foot, 400ft is one roll 5ft, 10ft, 20ft, and 50ft sections are hand cut...

View full details
$0.60 - $249.99
$0.60 - $249.99
$0.60 - $249.99
$0.60
Save up to 32% Save %

Audiopipe 8 GA OFC Tinned Marine Power/Ground Wire Blk Lot Cut By The Foot

Audiopipe
$149.95
$1.24 - $149.95
$149.95
$1.24 - $101.96
$1.24 - $101.96
$1.24
Low stock

MARINE GRADE- this power, ground, remote, primary wire is ready for the elements! TOP QUALITY - Manufactured with the best materials to bring fl...

View full details
$149.95
$1.24 - $149.95
$149.95
$1.24 - $101.96
$1.24 - $101.96
$1.24
Save up to 32% Save %
Save up to 32% Save %

Audio Pipe 8 GA OFC Tinned Marine Power/Ground Wire Wht Lot Cut By The Foot

Audiopipe
$124.94
$1.24 - $124.94
$124.94
$1.24 - $84.96
$1.24 - $84.96
$1.24
Low stock

MARINE GRADE- this power, ground, remote, primary wire is ready for the elements! TOP QUALITY - Manufactured with the best materials to bring fl...

View full details
$124.94
$1.24 - $124.94
$124.94
$1.24 - $84.96
$1.24 - $84.96
$1.24
Save up to 32% Save %
Save up to 20% Save %

DS18 4 AWG 100% OFC Marine Power/Ground Wire Gray Lot Cut By The Foot

DS18
$6.83 - $249.99
$6.83 - $249.99
$6.83
$4.17 - $199.95
$4.17 - $199.95
$4.17
In stock

High quality stranded OFC cable maximizes power transfer performance High Performance Application Super Flexible Wire Sold by the foot, 50ft is on...

View full details
$6.83 - $249.99
$6.83 - $249.99
$6.83
$4.17 - $199.95
$4.17 - $199.95
$4.17
Save up to 20% Save %

16 GA White PVC Jacket OFC Tin Copper Audiopipe Speaker Wire Lot Cut By The Foot

Audiopipe
$1.05 - $133.41
$1.05 - $133.41
$1.05 - $133.41
$1.05
Low stock

100% Tinned Copper Construction: Ensures superior conductivity and corrosion resistance for long-lasting performance. Marine-Grade Durability: Res...

View full details
$1.05 - $133.41
$1.05 - $133.41
$1.05 - $133.41
$1.05
Kenwood CA-EX3MR 8-pin Male to Female Connector 9ft Extension Cable main cable coiled showing both ends.
Save 36% Save %

Kenwood 8-pin Male to Female Connector 9ft (3-Meter) Extention Cable / CA-EX3MR

Kenwood
$56.24
$56.24 - $56.24
$56.24
$35.99
$35.99 - $35.99
$35.99
Low stock

Extended Reach: The Kenwood 8-pin Male to Female Connector Extension Cable offers a generous 9-foot (3-meter) length, allowing you to connect devi...

View full details
$56.24
$56.24 - $56.24
$56.24
$35.99
$35.99 - $35.99
$35.99
Save 36% Save %
Save up to 32% Save %

Kicker Marine 4 Gauge Tinned OFC Power/Ground Wire Yellow Lot Cut By The Foot

Kicker
$75.00
$4.59 - $349.99
$75.00
$4.59 - $349.99
$4.59 - $349.99
$4.59
In stock

Full-spec OFC cable Tinned in anti-corrosive nickel Meets the highest industry standards for marine use Sold by the foot, 100ft is one roll 5ft, 1...

View full details
$75.00
$4.59 - $349.99
$75.00
$4.59 - $349.99
$4.59 - $349.99
$4.59
Save up to 32% Save %
Save up to 20% Save %

0 Gauge Tinned Marine OFC Power/Ground Wire Red Kicker Lot Cut By The Foot

Kicker
$562.49
$8.75 - $562.49
$562.49
$8.75 - $449.99
$8.75 - $449.99
$8.75
Low stock

High-Performance OFC Copper – Made from full-spec oxygen-free copper (OFC) for superior conductivity and maximum power transfer. Nickel-Tinned for...

View full details
$562.49
$8.75 - $562.49
$562.49
$8.75 - $449.99
$8.75 - $449.99
$8.75
Save up to 20% Save %
Save up to 32% Save %

Audiopipe 12GA Stranded OFC Tinned Copper Marine Power/Ground Wire White Lot

Audiopipe
$2.10 - $349.94
$2.10 - $349.94
$2.10
$1.28 - $237.96
$1.28 - $237.96
$1.28
In stock

MARINE GRADE- this power, ground, remote, primary wire is ready for the elements! TOP QUALITY - Manufactured with the best materials to bring fl...

View full details
$2.10 - $349.94
$2.10 - $349.94
$2.10
$1.28 - $237.96
$1.28 - $237.96
$1.28
Save up to 32% Save %
Save up to 20% Save %

DS18 0 AWG OFC Tinned Marine Power/Ground Wire White/Black Lot Cut By The Foot

DS18
$17.33 - $382.99
$17.33 - $382.99
$17.33
$8.09 - $305.95
$8.09 - $305.95
$8.09
In stock

High quality stranded OFC cable maximizes power transfer performance High Performance Application Super Flexible Wire Sold by the foot, 25ft is on...

View full details
$17.33 - $382.99
$17.33 - $382.99
$17.33
$8.09 - $305.95
$8.09 - $305.95
$8.09
Save up to 20% Save %
Kenwood CA-Y107MR Marine Y-Cable – Dual Remote Adapter, 14" | Big Jeff Audio cable side view
Save 36% Save %

Kenwood Y-Adaptor Cable For 2 Remotes to Control Kenwood Marine Stereo CA-Y107MR

Kenwood
$62.49
$62.49 - $62.49
$62.49
$39.99
$39.99 - $39.99
$39.99
Low stock

Control your stereo from multiple locations on your boat with ease Dual remote control functionality for added convenience and flexibility Quick a...

View full details
$62.49
$62.49 - $62.49
$62.49
$39.99
$39.99 - $39.99
$39.99
Save 36% Save %
Save 36% Save %

Kenwood 23-feet (7 Meter) Extension Cable for KCA-RC107MR Marine Remote CA-EX7MR

Kenwood
$68.74
$68.74 - $68.74
$68.74
$43.99
$43.99 - $43.99
$43.99
Low stock

Extend your Kenwood KCA-RC107MR remote’s reach for ultimate control anywhere on your boat Easy plug-and-play installation – no complicated setup r...

View full details
$68.74
$68.74 - $68.74
$68.74
$43.99
$43.99 - $43.99
$43.99
Save 36% Save %
Save 33% Save %

Kicker Marine Y-Adapter 2 Ch OFC RCA Kit 1 Female to 2 Male w/Adapters 47KMIY

Kicker
$37.49
$37.49 - $37.49
$37.49
$24.99
$24.99 - $24.99
$24.99
In stock

MARINE-GRADE BUILD – Engineered to resist moisture, salt, and UV for reliable performance in harsh marine conditions OXYGEN-FREE COPPER – OFC wiri...

View full details
$37.49
$37.49 - $37.49
$37.49
$24.99
$24.99 - $24.99
$24.99
Save 33% Save %
Save up to 32% Save %

Audiopipe 4 GA OFC Tinned Marine Power/Ground Wire Wht Lot Cut By The Foot

Audiopipe
$374.94
$4.56 - $374.94
$374.94
$4.56 - $254.96
$4.56 - $254.96
$4.56
In stock

MARINE GRADE- this power, ground, remote, primary wire is ready for the elements! TOP QUALITY - Manufactured with the best materials to bring flex...

View full details
$374.94
$4.56 - $374.94
$374.94
$4.56 - $254.96
$4.56 - $254.96
$4.56
Save up to 32% Save %
Save up to 32% Save %

Audiopipe 4 GA OFC Tinned Marine Power/Ground Wire Red Lot Cut By The Foot

Audiopipe
$374.94
$4.56 - $374.94
$374.94
$4.56 - $254.96
$4.56 - $254.96
$4.56
In stock

MARINE GRADE- this power, ground, remote, primary wire is ready for the elements! TOP QUALITY - Manufactured with the best materials to bring flex...

View full details
$374.94
$4.56 - $374.94
$374.94
$4.56 - $254.96
$4.56 - $254.96
$4.56
Save up to 32% Save %
Save up to 32% Save %

Audiopipe 16 GA Stranded OFC Tinned Copper Marine Power/Ground Wire White Lot

Audiopipe
$354.99
$0.66 - $354.99
$354.99
$0.66 - $241.39
$0.66 - $241.39
$0.66
In stock

MARINE GRADE- this power, ground, remote, primary wire is ready for the elements! TOP QUALITY - Manufactured with the best materials to bring fle...

View full details
$354.99
$0.66 - $354.99
$354.99
$0.66 - $241.39
$0.66 - $241.39
$0.66
Save up to 32% Save %
Save up to 17% Save %

DS18 8 AWG 100% OFC Marine Power/Ground Wire Black/White Lot Cut By The Foot

DS18
$2.66 - $203.95
$2.66 - $203.95
$2.66
$1.63 - $169.95
$1.63 - $169.95
$1.63
In stock

100% OFC Conductor: Oxygen-free copper provides efficient conductivity for compatible power, ground, and speaker wiring. Tinned Copper Protection:...

View full details
$2.66 - $203.95
$2.66 - $203.95
$2.66
$1.63 - $169.95
$1.63 - $169.95
$1.63
Save up to 17% Save %
Save up to 20% Save %

DS18 4 AWG 100% OFC Marine Power/Ground Wire White/Red Lot Cut By The Foot

DS18
$6.83 - $249.99
$6.83 - $249.99
$6.83
$4.17 - $199.95
$4.17 - $199.95
$4.17
Low stock

High quality stranded OFC cable maximizes power transfer performance High Performance Application Super Flexible Wire Sold by the foot, 50ft is on...

View full details
$6.83 - $249.99
$6.83 - $249.99
$6.83
$4.17 - $199.95
$4.17 - $199.95
$4.17
Save up to 20% Save %
Save up to 20% Save %

DS18 0 AWG OFC Tinned Marine Power Wire White/Red Stripe Lot Cut By The Foot

DS18
$17.33 - $382.99
$17.33 - $382.99
$17.33
$8.09 - $305.95
$8.09 - $305.95
$8.09
In stock

High quality stranded OFC cable maximizes power transfer performance High Performance Application Super Flexible wire Sold by the foot, 25ft is on...

View full details
$17.33 - $382.99
$17.33 - $382.99
$17.33
$8.09 - $305.95
$8.09 - $305.95
$8.09
Save up to 20% Save %
Save up to 20% Save %

DS18 12 AWG 100% OFC Tinned Marine Speaker Wire White Lot Cut By The Foot

DS18
$249.99
$1.64 - $249.99
$249.99
$1.64 - $199.95
$1.64 - $199.95
$1.64
In stock

High quality stranded OFC cable maximizes power transfer performance Super Flexible Wire Sold by the foot, 150ft is one roll 5ft, 10ft, 20ft and 5...

View full details
$249.99
$1.64 - $249.99
$249.99
$1.64 - $199.95
$1.64 - $199.95
$1.64
Save up to 20% Save %
Save up to 20% Save %

DS18 16 AWG 100% OFC Tinned Marine Speaker Wire White Lot Cut By The Foot

DS18
$1.09 - $118.99
$1.09 - $118.99
$1.09
$0.78 - $94.95
$0.78 - $94.95
$0.78
In stock

High quality stranded OFC cable maximizes power transfer performance High Performance Application Super Flexible Wire Sold by the foot, 150ft is o...

View full details
$1.09 - $118.99
$1.09 - $118.99
$1.09
$0.78 - $94.95
$0.78 - $94.95
$0.78
Save up to 20% Save %
Save up to 20% Save %

DS18 16 GA Speaker 18 AWG RGB 100% OFC Tinned Marine Wire White Cut By The Foot

DS18
$2.48 - $221.99
$2.48 - $221.99
$2.48
$1.78 - $176.95
$1.78 - $176.95
$1.78
Low stock

High quality stranded OFC cable maximizes power transfer performance High Performance Application Super Flexible Wire Sold by the foot, 100ft is o...

View full details
$2.48 - $221.99
$2.48 - $221.99
$2.48
$1.78 - $176.95
$1.78 - $176.95
$1.78
Save up to 20% Save %
Save up to 20% Save %

Audiopipe 8 GA OFC Tinned Marine Power/Ground Wire Red Lot Cut By The Foot

Audiopipe
$156.19
$1.84 - $156.19
$156.19
$1.84 - $124.95
$1.84 - $124.95
$1.84
In stock

MARINE GRADE- this power, ground, remote, primary wire is ready for the elements! TOP QUALITY - Manufactured with the best materials to bring fl...

View full details
$156.19
$1.84 - $156.19
$156.19
$1.84 - $124.95
$1.84 - $124.95
$1.84
Save up to 20% Save %
Save up to 32% Save %

DS18 8 AWG 100% OFC Marine Power/Ground Wire Red/White Lot Cut By The Foot

DS18
$2.66 - $181.19
$2.66 - $181.19
$2.66
$1.63 - $173.36
$1.63 - $173.36
$1.63
Low stock

High quality stranded OFC cable maximizes power transfer performance High Performance Application Super Flexible Wire Sold by the foot, 100ft is o...

View full details
$2.66 - $181.19
$2.66 - $181.19
$2.66
$1.63 - $173.36
$1.63 - $173.36
$1.63
Save up to 32% Save %
Save 20% Save %

DS18 RCA 12 Feet Marine Tinned OFC 2 Channel Shielded Noise Reduction Cable

DS18
$24.99
$24.99 - $24.99
$24.99
$19.95
$19.95 - $19.95
$19.95
Low stock

DS18 RCA 12 Feet Marine Tinned OFC 2 Channel Shielded Noise Reduction CableDS18 12Ft of 2 Channel Marine Cable with Tinned OFC conductor material...

View full details
$24.99
$24.99 - $24.99
$24.99
$19.95
$19.95 - $19.95
$19.95
Save 20% Save %

More than a storefront

THE BIG JEFF FAMILY

Built on big sound, real connections, and showing up for the basshead community.

About Us

Big Jeff Audio

BUILT FOR BIG SOUND.
Car audio, marine audio, powersports, wiring, subs, amps, speakers, and the essentials to build it right.

NO SHOWROOM. ALL SOUND.
Products available to view online only. Our YouTube channel is a great resource to get up close and personal with Products.

Online orders can be placed for delivery or for curb-side pickup only.

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