Discontinued 4 Gauge Amp Kits | Amplifier Wiring Kits | Amplifier Installation & Accessories | Car Audio Accessories & Installation Parts | Car Electronics & Auto Parts at Sonic Electronix
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Sitewide coupons and discounts are not applicable to certain brands, products or combos. Offers exclude the following brands*: JL Audio®, Wet Sounds®, Focal®, Kicker® and Rockford Fosgate® Offers exclude the following products*: MRV-M500, ILX-W650, ILX-W650_SXV300v1, BLB212LED, BPKG10T, XPE2700, XPE4700, DMCPA79BT, GT7-6, GT7-96, GT7-6C, GX600C-z, KW-V85BT, DDX9705S, DDX775BH, JAD900.5, JAD800.4, QBUS8v2, NekTek2, AVH-200EX, DB1242DVC.

*Contact our toll-free expert line for JL Audio®, Wet Sounds®, Focal® and Rockford Fosgate® as we guarantee we will beat any other Authorized Retailer.

Code: 19YEARS is for 10% off your purchase of select items. $10 Sonic Bucks will be applied and available 30 Days from original purchase and must be used on an order of $100 or more.

Coupons are not valid for business/wholesale sales, installation services, shipping, delivery or gift cards. Sonic Electronix reserves the right to limit quantities per account, product or offer. Offers may be valid only in the U.S. Coupons cannot be combined with other coupons, select promo bundles, combos, savings certificates, special offer price matches, or combined with other discounts. X
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Discontinued 4 Gauge Amp Kits

You are currently viewing discontinued products.
  • 5.0
2 reviews

Complete 4 AWG OFC CK-Series 2-Channel Amplifier Installation Kit

• 4 Gauge OFC 2-Channel Complete Amp Kit
• 17' 4 Gauge Power Wire
• 2' 4 Gauge Ground Wire
• 17' 16 Gauge Remote Lead
• 5M (16.5') 2-Channel RCA Cables
• 40' 16 Gauge Speaker Wire
• 100A AFS Fuse and Holder

VIP Guarantee - FREE Shipping,
10% Rewards, Extended Warranty and more!

DISCONTINUED

4 Gauge 2-Channel Complete Amplifier Installation Kit for Monoblock or 2-Channel Amplifiers

• Recommended for Systems Up to 1000 Watts
• Includes RCA Interconnects and Speaker Wire
• Copper-Clad Aluminum
• Includes Installation Hardware

DISCONTINUED

  • 5.0
4 reviews

4 Gauge Amplifier Installation Kit for Systems up to 850W RMS

4 Gauge Amplifier Installation Kit • Designed for Use with Amplifiers Up to 850 Watts • Premium Power and Ground Wire • Made from 100% Oxygen-Free Copper • Twisted-Pair Technology RCA Interconnects • Terminals are Nickel-Plated • Mini ANL Fuse Holder

DISCONTINUED

  • 5.0
4 reviews

4 Gauge Full Spec CCA Amplifier Wiring Kit for Systems up to 900 Watts

• 4 Gauge Power Amplifier Installation Kit
• Ideal for Systems Up to 900 Watts
• Premium Power and Ground Wire Provides Optimal Power Transfer

DISCONTINUED

4 Gauge Full Spec CCA Amplifier Wiring Kit for Systems up to 900 Watts

• 4 Gauge Power Amplifier Installation Kit
• Ideal for Systems Up to 900 Watts
• Premium Power and Ground Wire Provides Optimal Power Transfer

DISCONTINUED

  • 4.3
8 reviews

Complete 3000W 4 Gauge Amplifier Install Kit

Complete Amplifier Kit • Includes RCA Interconnect Cables and Speaker Wire • 4 AWG Power/Ground Cable • Twisted pair RCA signal cables • For Systems 400-1000 Watts

DISCONTINUED

4 Gauge Full Spec CCA Amplifier Wiring Kit for Systems up to 900 Watts

• 4 Gauge Power Amplifier Installation Kit
• Ideal for Systems Up to 900 Watts
• Premium Power and Ground Wire Provides Optimal Power Transfer
• 2-Channel Twisted RCA Cables

50% off a 4 Gauge Amp Kit with Select Amplifiers Purchase!

DISCONTINUED

JBL Series III 10" Subwoofer with Selectable 2 Ohm or 4 Ohm Impedance + GTX Series Class-D Monoblock Amplifier with Installation Kit

• 1350W Max 10" Series II Car Audio Subwoofer
• Oversized 2.0" Voice Coil
• JBL Mono Subwoofer Amplifier
• Frequency Response: 20 - 200 Hz (±0.5 dB); 10 - 300 Hz (±3dB)
• Complete 4 Gauge 2-Channel Amplifier Installation Kit

DISCONTINUED

Complete 4 Gauge Amplifier Wiring Kit w/ 2 Channel RCA Interconnects & ANL Fuse w/ Holder

•Designed specifically for car audio systems up to 1,000 watts
• Premium CCA power and ground wire provides optimal power transfer
• True-to-Gauge cables/wires meet or exceed the industry standard

DISCONTINUED

4 Gauge 2-Channel Complete Amplifier Wiring Installation Kit

• Designed for Car Audio Systems op to 500 Watts
• Made from CCA (Copper-Clad Aluminum) for Uninterrupted Transfer of Power
• Includes 2-channel RCA Interconnect Cables

• AGU Fuse Holder w/ 60 Amp Fuse

DISCONTINUED

  • 4.0
3 reviews

4 Gauge Renegade Power Amplifier Installation Kit

Renegade REN Series 20 MM (4 AWG) Amplifier Kit • Double Shielded RCA Cables Included • 16 Ft. 20 MM Power Cable • 1 x AGU Fuse Holder • 1 x 60A Glass Fuse • Gold Plated Jacks

DISCONTINUED

  • 5.0
1 review

JBL Series III 12" Subwoofer with Selectable 2 Ohm or 4 Ohm Impedance + GTX Series Class-D Monoblock Amplifier with Installation Kit

• 1500W Max 12" Series II Car Audio Subwoofer
• Oversized 2.0" Voice Coil
• JBL Mono Subwoofer Amplifier
• Frequency Response: 20 - 200 Hz (±0.5 dB); 10 - 300 Hz (±3dB)
• Complete 4 Gauge 2-Channel Amplifier Installation Kit

DISCONTINUED

Rockford Fosgate Prime R500X1D + (2) JBL GT5-12 Subs + Belva BBX212BL Enclosure + Belva BAK42 Amplifier Wiring Kit

• Prime Series Class D Monoblock Car Amplifier
• RMS: 4 ohms: 300 watts x 1 chan. 2 ohms: 500 watts x 1 chan.
• 12" GT Series Subwoofer (2)
• Peak: 1100 watts, RMS: 275 watts
• 12" Dual Ported Subwoofer Enclosure
• Complete 4 Gauge 2-Channel Amplifier Installation Kit

DISCONTINUED

Two JBL Series II 12" Subwoofers with Selectable 2 Ohm or 4 Ohm Impedance + GTX Series Class-D Monoblock Amplifier with Installation Kit

• 1100W Max Each 12" Series II Car Audio Subwoofer
• Oversized 2.0" Voice Coil
• JBL Mono Subwoofer Amplifier
• Frequency Response: 20 - 200 Hz (±0.5 dB); 10 - 300 Hz (±3dB)
• Complete 4 Gauge 2-Channel Amplifier Installation Kit

DISCONTINUED

  • 4.5
6 reviews

4 Gauge Complete Pro Series Amplifier Installation Kit for Systems up to 2000 Watts

4 Gauge Complete Pro Series Amplifier Installation Kit • Designed Specifically for Car Audio Systems Up to 2000 Watts • Includes 2-Channel RCA Interconnect Cable • Mini ANL Fuse Holder

DISCONTINUED

4 Gauge Complete Amplifier Installation Kit with 4 Channel RCA Interconnect Cables

4 Gauge Complete Amplifier Installation Kit • Includes 4-Channel RCA Interconnect Cables • Designed for Systems up to 1500W • Premium Power and Ground Wire • Made from Copper-Clad Aluminum

DISCONTINUED

Two JBL Series II 10" Subwoofers with Selectable 2 Ohm or 4 Ohm Impedance + GTX Series Class-D Monoblock Amplifier with Installation Kit

• 1000W Max Each 10" Series II Car Audio Subwoofer
• Oversized 2.0" Voice Coil
• JBL Mono Subwoofer Amplifier
•Frequency Response: 20 - 200 Hz (±0.5 dB); 10 - 300 Hz (±3dB)
• Complete 4 Gauge 2-Channel Amplifier Installation Kit

DISCONTINUED

  • 5.0
3 reviews

4 Gauge OFC Power Amplifier Installation Kit

• 4 Gauge OFC Power Amplifier Installation Kit
• 20' 4 Gauge Power Wire
• 3' 4 Gauge Ground Wire
• 20' 16 Gauge Remote Lead
• 5M (16.5') 2-Channel RCA Cables
• 40' 16 Gauge Speaker Wire
• 100A AFS Fuse and Holder

VIP Guarantee - FREE Shipping,
10% Rewards, Extended Warranty and more!

DISCONTINUED

9.5mm (4 Gauge) Complete Amplifier Installation Kit

• e2 1000W Single Amplifier Wiring Kit
• 9.5mm Power/Ground (Equivalent in Strands to Most Other "4 Gauge" kits)
• 17' Twisted Hex RCA Interconnect Cables
• 17' Power and Ground

DISCONTINUED

Xtreme Performance Kaos Series Amplifier Installation Kit for System up to 1500 Watts

4 Gauge Power Amplifier Installation Kit • Designed Specifically for Car Audio Systems up to 1500 Watts • Includes 2-Channel RCA Interconnect Cables • AGU Fuse Holder • 60 Amp AGU Fuse

DISCONTINUED

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Related Categories

Discontinued 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