Garage
Shop

Discontinued NVX Amplifier Wiring Kits

NVX has engineered their amp-kits with top-quality materials proven to deliver the power your amp deserves.

Loading...
Filters

Shop the Category

filter-icon Filters & Sort
You are currently viewing discontinued products.

NVX XAPK8, Open Box (Very Good, Used)

1 Copper, TRUE Spec 8 Gauge Single Amplifier Wiring Installation Kit with Speaker Cable (No RCA)

Go to item page Right Arrow Icon of Right Arrow

1 Copper, TRUE Spec 8 Gauge Single Amplifier Wiring Installation Kit with Speaker Cable (No RCA)

• Item Condition - Very Good, Used
• Single Amplifier 8 Gauge Power Installation Kit
• Ideal for systems up to 600 Watts RMS
• Includes Speaker Wire
• Silver-Tinned 100% Virgin Copper
• EnvyFlex Technology
• Solid Brass And Satin-Chromed ANL/Mini-ANL Fuse Holder With 60 amp Mini-ANL Fuse

• Item Condition - Very Good, Used
• Single Amplifier 8 Gauge Power Installation Kit
• Ideal for systems up to 600 Watts RMS
• Includes Speaker Wire
• Silver-Tinned 100% Virgin Copper
• EnvyFlex Technology
• Solid Brass And Satin-Chromed ANL/Mini-ANL Fuse Holder With 60 amp Mini-ANL Fuse

NVX XAPK1D Open Box, Very Good Condition (Used)

True 1/0 Gauge, 100% Copper Dual Amplifier Wiring Kit (Includes Everything For Power Connections)

Go to item page Right Arrow Icon of Right Arrow

True 1/0 Gauge, 100% Copper Dual Amplifier Wiring Kit (Includes Everything For Power Connections)

• 1/0 Gauge Power Amplifier Installation Kit
• 100% Oxygen-Free Copper
• EnvyFlex Flexible Insulation
• Exceeds CEA Standards
• For One or Two Amplifiers
• Thicker Than The Competition!

• 1/0 Gauge Power Amplifier Installation Kit
• 100% Oxygen-Free Copper
• EnvyFlex Flexible Insulation
• Exceeds CEA Standards
• For One or Two Amplifiers
• Thicker Than The Competition!

NVX XKIT42 Open Box, Very Good Condition (Used)

100% Copper 2-Chan. True Spec 4 Gauge Amp Installation Kit w/RCA Interconnect & 40 ft Speaker Cable

Go to item page Right Arrow Icon of Right Arrow

100% Copper 2-Chan. True Spec 4 Gauge Amp Installation Kit w/RCA Interconnect & 40 ft Speaker Cable

• Item Condition: Open Box
• 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

• Item Condition: Open Box
• 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

NVX XAPK0 Open Box, Very Good Condition (Used)

Single Amp 100% Copper True Spec 1/0 Gauge Amplifier Installation Kit with 12 Gauge Speaker Wire

Go to item page Right Arrow Icon of Right Arrow

Single Amp 100% Copper True Spec 1/0 Gauge Amplifier Installation Kit with 12 Gauge Speaker Wire

• Open Box Complete
• Single Amplifier 1/0 Gauge Power Installation Kit
• For Systems Over 1000 Watts RMS
• Includes Speaker Wire
• Silver-Tinned 100% Virgin Copper
• EnvyFlex Technology
• Solid Brass And Satin-Chromed ANL/Mini-ANL Fuse Holder With 150 amp ANL Fuse

• Open Box Complete
• Single Amplifier 1/0 Gauge Power Installation Kit
• For Systems Over 1000 Watts RMS
• Includes Speaker Wire
• Silver-Tinned 100% Virgin Copper
• EnvyFlex Technology
• Solid Brass And Satin-Chromed ANL/Mini-ANL Fuse Holder With 150 amp ANL Fuse

NVX XKIT46 (5- or 6-Channel Amp Kit) (OPEN BOX COMPLETE)

100% Copper, True Spec 4 Gauge Amp Installation Kit for 5- or 6-Channel Amps, Includes RCA Interconnects & 60 ft Speaker Cable

Go to item page Right Arrow Icon of Right Arrow

100% Copper, True Spec 4 Gauge Amp Installation Kit for 5- or 6-Channel Amps, Includes RCA Interconnects & 60 ft Speaker Cable

• 4 Gauge 5- or 6-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 1 Set of 6-Channel RCA Interconnect Cable Included

• 4 Gauge 5- or 6-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 1 Set of 6-Channel RCA Interconnect Cable Included

2004-2008 Ford F-150 Ext Super Cab Truck 700w RMS Subwoofer Bass Package With Enclosure Amplifier And Wiring Kit

Two 10" NVX Subwoofers with 1200w RMS Class D Monoblock Belva Amplifier, 4 Gauge Belva Wiring and Dual Atrend Box

Go to item page Right Arrow Icon of Right Arrow

Two 10" NVX Subwoofers with 1200w RMS Class D Monoblock Belva Amplifier, 4 Gauge Belva Wiring and Dual Atrend Box

• Subwoofers:
• RMS Power: 200-350W
• Ultra-Light Non Pressed Paper Cone
• Custom Blended Foam Surround
• Dual 10" Down Firing Subwoofer Enclosure
• Designed Specifically For 2004-08 Ford F150 Extended Cab & Super Crew Cab Trucks
• Premium Carpeted Finish
• Glued & Braced MDF Construction
• Rounded Edges

• Amplifier:
• RMS: 540W x 1 @ 4 ohm, 900W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total Peak Power: 2000W
• 1 Pair of Preamp Outputs
• Bass Boost 0-12 dB at 30 - 80 Hz
• Subsonic Filter From Off - 50 Hz
• Complete 4 Gauge 2-Channel Amplifier Installation Kit
• Designed Specifically For Car Audio Systems Up to 1000 Watts RMS
• Premium Power and Ground Wire Provides Optimal Power Transfer
• 30% Copper CCA Wire

• Subwoofers:
• RMS Power: 200-350W
• Ultra-Light Non Pressed Paper Cone
• Custom Blended Foam Surround
• Dual 10" Down Firing Subwoofer Enclosure
• Designed Specifically For 2004-08 Ford F150 Extended Cab & Super Crew Cab Trucks
• Premium Carpeted Finish
• Glued & Braced MDF Construction
• Rounded Edges

• Amplifier:
• RMS: 540W x 1 @ 4 ohm, 900W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total Peak Power: 2000W
• 1 Pair of Preamp Outputs
• Bass Boost 0-12 dB at 30 - 80 Hz
• Subsonic Filter From Off - 50 Hz
• Complete 4 Gauge 2-Channel Amplifier Installation Kit
• Designed Specifically For Car Audio Systems Up to 1000 Watts RMS
• Premium Power and Ground Wire Provides Optimal Power Transfer
• 30% Copper CCA Wire

NVX XAPK4 (Open Box)

100% Copper, True Spec 4 Gauge Single Amplifier Wiring Installation Kit with Speaker Cable (No RCA)

Go to item page Right Arrow Icon of Right Arrow

100% Copper, True Spec 4 Gauge Single Amplifier Wiring Installation Kit with Speaker Cable (No RCA)

• Single Amplifier 4 Gauge Power Installation Kit
• 1000 Watts RMS
• Includes Speaker Wire
• Silver-Tinned 100% Virgin Copper
• EnvyFlex Technology
• Solid Brass And Satin-Chromed ANL/Mini-ANL Fuse Holder With 100 amp Mini-ANL Fuse

• Single Amplifier 4 Gauge Power Installation Kit
• 1000 Watts RMS
• Includes Speaker Wire
• Silver-Tinned 100% Virgin Copper
• EnvyFlex Technology
• Solid Brass And Satin-Chromed ANL/Mini-ANL Fuse Holder With 100 amp Mini-ANL Fuse

NVX XKIT84 - Open Box, Very Good Condition Used

100% Copper, 4-Channel True Spec 8 Gauge Amplifier Installation Kit w/ RCA Interconnect and 65 ft Speaker Cable

Go to item page Right Arrow Icon of Right Arrow

100% Copper, 4-Channel True Spec 8 Gauge Amplifier Installation Kit w/ RCA Interconnect and 65 ft Speaker Cable

• 8 Gauge 4-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 600 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

• 8 Gauge 4-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 600 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

NVX XAPK8 OPEN BOX COMPLETE

100% Copper, True Spec 8 Gauge Single Amplifier Wiring Installation Kit with Speaker Cable (No RCA)

Go to item page Right Arrow Icon of Right Arrow

100% Copper, True Spec 8 Gauge Single Amplifier Wiring Installation Kit with Speaker Cable (No RCA)

Brand new has never been used, Package damaged.
• Single Amplifier 8 Gauge Power Installation Kit
• Ideal for systems up to 600 Watts RMS
• Includes Speaker Wire
• Silver-Tinned 100% Virgin Copper
• EnvyFlex Technology
• Solid Brass And Satin-Chromed ANL/Mini-ANL Fuse Holder With 60 amp Mini-ANL Fuse

Brand new has never been used, Package damaged.
• Single Amplifier 8 Gauge Power Installation Kit
• Ideal for systems up to 600 Watts RMS
• Includes Speaker Wire
• Silver-Tinned 100% Virgin Copper
• EnvyFlex Technology
• Solid Brass And Satin-Chromed ANL/Mini-ANL Fuse Holder With 60 amp Mini-ANL Fuse

NVX XKIT46 (5- or 6-Channel Amp Kit) (LIKE NEW)

100% Copper, True Spec 4 Gauge Amp Installation Kit for 5- or 6-Channel Amps, Includes RCA Interconnects & 60 ft Speaker Cable

Go to item page Right Arrow Icon of Right Arrow

100% Copper, True Spec 4 Gauge Amp Installation Kit for 5- or 6-Channel Amps, Includes RCA Interconnects & 60 ft Speaker Cable

• 4 Gauge 5- or 6-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 1 Set of 6-Channel RCA Interconnect Cable Included

• 4 Gauge 5- or 6-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 1 Set of 6-Channel RCA Interconnect Cable Included

Go to item page Right Arrow Icon of Right Arrow

• 1/0 Gauge 2-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Over 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

• 1/0 Gauge 2-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Over 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

NVX XKIT44, Open Box (Very Good, Used)

1 Copper, 4-Chan. TRUE Spec 4 Gauge Amp Installation Kit w/RCA Interconnect & 60 ft Speaker Cabl

Go to item page Right Arrow Icon of Right Arrow

1 Copper, 4-Chan. TRUE Spec 4 Gauge Amp Installation Kit w/RCA Interconnect & 60 ft Speaker Cabl

• Item Condition - Very Good, Used
• 4 Gauge 4-Channel X-Series Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

• Item Condition - Very Good, Used
• 4 Gauge 4-Channel X-Series Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

NVX XKIT82 OPEN BOX INCOMPLETE

100% Copper, 2-Channel True Spec 8 Gauge Amplifier Installation Kit w/ RCA Interconnect and 40 ft Speaker Cable

Go to item page Right Arrow Icon of Right Arrow

100% Copper, 2-Channel True Spec 8 Gauge Amplifier Installation Kit w/ RCA Interconnect and 40 ft Speaker Cable

• Item Condition: Open Box Incomplete
• 8 Gauge 2-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 600 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

• Item Condition: Open Box Incomplete
• 8 Gauge 2-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 600 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

NVX XCAP1K42

TRUE 1 Farad Capacitor and 100% COPPER 4-Gauge, 2-Channel OFC Amp Kit

Go to item page Right Arrow Icon of Right Arrow

TRUE 1 Farad Capacitor and 100% COPPER 4-Gauge, 2-Channel OFC Amp Kit

• For Systems Up To 1200 Watts
• Bright Blue LED Voltage Display
• Improves Bass Response (SPL)
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

VIP Star Icon

VIP Product Get $16.00 in rewards to spend later

• For Systems Up To 1200 Watts
• Bright Blue LED Voltage Display
• Improves Bass Response (SPL)
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

NVX XKIT82 (Open Box, Complete)

100% Copper, 2-Channel True Spec 8 Gauge Amplifier Installation Kit w/ RCA Interconnect and 40 ft Speaker Cable

Go to item page Right Arrow Icon of Right Arrow

100% Copper, 2-Channel True Spec 8 Gauge Amplifier Installation Kit w/ RCA Interconnect and 40 ft Speaker Cable

• 8 Gauge 2-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 600 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

• 8 Gauge 2-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 600 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

NVX XKIT82 OPEN BOX COMPLETE

100% Copper, 2-Channel True Spec 8 Gauge Amplifier Installation Kit w/ RCA Interconnect and 40 ft Speaker Cable

Go to item page Right Arrow Icon of Right Arrow

100% Copper, 2-Channel True Spec 8 Gauge Amplifier Installation Kit w/ RCA Interconnect and 40 ft Speaker Cable

Opened, Box is Ripped
• 8 Gauge 2-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 600 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

Opened, Box is Ripped
• 8 Gauge 2-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 600 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

NVX XKIT46 - Open Box, Very Good Condition Used

1 Copper, TRUE Spec 4 Gauge Amp Installation Kit for -5 or 6-Channel Amps, Includes RCA Intercon

Go to item page Right Arrow Icon of Right Arrow

1 Copper, TRUE Spec 4 Gauge Amp Installation Kit for -5 or 6-Channel Amps, Includes RCA Intercon

• Item Condition - Very Good, Used
• 4 Gauge 5- or 6-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 1 Set of 6-Channel RCA Interconnect Cable Included

• Item Condition - Very Good, Used
• 4 Gauge 5- or 6-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 1 Set of 6-Channel RCA Interconnect Cable Included

NVX XAPK4 - Open Box, Very Good Condition (Used)

100% Copper True Spec 4 Gauge Single Amplifier Wiring Installation Kit with Speaker Cable (No RCA)

Go to item page Right Arrow Icon of Right Arrow

100% Copper True Spec 4 Gauge Single Amplifier Wiring Installation Kit with Speaker Cable (No RCA)

• Item Condition: Open Box
• Single Amplifier 4 Gauge Power Installation Kit
• 1000 Watts RMS
• Includes Speaker Wire
• Silver-Tinned 100% Virgin Copper
• EnvyFlex Technology
• Solid Brass And Satin-Chromed ANL/Mini-ANL Fuse Holder With 100 amp Mini-ANL Fuse

• Item Condition: Open Box
• Single Amplifier 4 Gauge Power Installation Kit
• 1000 Watts RMS
• Includes Speaker Wire
• Silver-Tinned 100% Virgin Copper
• EnvyFlex Technology
• Solid Brass And Satin-Chromed ANL/Mini-ANL Fuse Holder With 100 amp Mini-ANL Fuse

NVX XKIT46 (5- or 6-Channel Amp Kit) (Open Box, Good Condition Used)

100% Copper, True Spec 4 Gauge Amp Installation Kit for 5- or 6-Channel Amps, Includes RCA Interconnects & 60 ft Speaker Cable

Go to item page Right Arrow Icon of Right Arrow

100% Copper, True Spec 4 Gauge Amp Installation Kit for 5- or 6-Channel Amps, Includes RCA Interconnects & 60 ft Speaker Cable

• 4 Gauge 5- or 6-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 1 Set of 6-Channel RCA Interconnect Cable Included

• 4 Gauge 5- or 6-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 1 Set of 6-Channel RCA Interconnect Cable Included

Go to item page Right Arrow Icon of Right Arrow

Open Box, Acceptable but Missing part(s) (Used)

• 4 Gauge 5- or 6-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 1 Set of 6-Channel RCA Interconnect Cable Included

• 4 Gauge 5- or 6-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 1 Set of 6-Channel RCA Interconnect Cable Included

Items per page: 20 40 60

    Clear all
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    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
    Vehicle
    Store
    Delete

    2003 Ford Ranger

    2008 Ford Taurus X

    2013 Lexus ES300h

    2012 Kia Forte

    2003 Ford Excursion

    2004 Honda Pilot

    2006 Ford Freestyle

    2014 Chevrolet Sonic

    2015 Audi A5

    2000 Ford Expedition

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    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
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.