4 Gauge Amp Wiring Kit, 4GA Amp Wire Kit for Car Audio Subwoofer Speakers | Complete 4GA amp kit for Car Amp Installation with 20ft Power Ground Cable, 18FT Speaker Wire, Remote, OFC RCA, 100A ANL Fuse
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Availability:
In Stock.
Arrives
Saturday, Aug 29
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Size: 4 Gauge
Features
- COMPLETE 4GA AMP WIRING KIT: NYO 4 Gauge amplifier wiring kit includes power wire, ground wire, speaker wire, remote turn-on wire, RCA cable, fuse holder, 100A ANL fuse, terminals, and installation accessories for car audio, subwoofer, and speaker systems.
- 17FT POWER & 3FT GROUND WIRE: Built with 17ft 4 AWG 1862-strand ultra-flex red CCA power wire and 3ft 4 AWG 1862-strand ultra-flex black CCA ground wire, providing a reliable wiring setup for amplifier installation.
- SPEAKER & REMOTE WIRE INCLUDED: Comes with 18ft 16 AWG CCA speaker wire and 18ft 18 gauge remote turn-on wire, making it easier to connect your amplifier, speakers, subwoofers, and car audio components.
- 17FT OFC RCA AUDIO CABLE: Includes one 17ft black RCA cable made with oxygen free copper for clean audio signal transfer between your head unit and amplifier, helping complete a practical car audio wiring setup.
- NYO CUSTOMER SUPPORT: NYO focuses on reliable car audio accessories and a better installation experience. If you have any questions before or after purchase, our support team is ready to help.
Manufacturer: NYO
Brand: Nyo
Number of Items: 1
Unit Count: 1 Count
Number of Packs: 1
Manufacturer: NYO
Brand Name: Nyo
Warranty Description: 1 Year Warranty
Unit Count: 1 Count
Included Components: Power Wire, Ground Wire, Speaker Wire, Remote Wire, RCA Cable, Fuse & Terminals
Part Number: AMP KIT
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Aug 29
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Similar Products
Top Amazon Reviews
Size: 4 Gauge
Good
Reviewed in the United States on August 6, 2026 by DEWIN MENDEZ
Size: 4 Gauge
Reviewed in the United States. Bottom Line: A complete, hassle-free installation kit that delivers clean power to your subwoofer or amplifier. Having quality OFC RCA cables and a 100A ANL fuse included makes it an exceptional value for any car audio setup. Make sure your amp either has its own fuses or ensure this 100amp fuse is proper to your specific amp. Pros: Truly Complete Kit: Comes with everything required for a full installation—20ft power/ground wire, 18ft speaker wire, remote turn-on wire, OFC RCA interconnects, and a 100A ANL fuse holder. Quality OFC RCA Cables: Oxygen-Free Copper (OFC) RCA wiring provides a clean signal with zero added engine whine or background noise interference. Flexible 4 Gauge Wire: The jacket on the power and ground cables is flexible enough to route easily through firewall grommets, under carpets, and along door sills without kinking. Reliable Protection: The included 100A ANL fuse holder is sturdy, easy to mount near the battery, and gives solid peace of mind against electrical surges. Cons / Tips for Buyers: Check Your Power Demands: 4GA wiring is ideal for most single or moderate dual amp/sub setups (around 800W–1200W RMS). If you're running massive high-wattage competition amps, double-check if you need 1/0 gauge instead. Take Your Time Routing: Ensure you keep the power cable routed down one side of the vehicle and the RCA signal cables down the opposite side to avoid any potential alternator noise. Would I recommend it? Absolutely! It saves you from buying cables individually and gives you all the length and hardware needed for a clean, professional-looking install.
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Reviewed in the United States on August 6, 2026 by Maddie
Size: 4 Gauge
When it comes to amplifiers the clear winner for wiring has always been OFC type cable; now at least the RCA's on this are OFC, however the actual power and ground are CCA cable. With that being said there are still ways to make CCA work for you and that's just understanding how the sizing works for CCA versus OFC. The overall kit is a pretty good quality kit that has everything you need to wire in your amplifier and it should be able to handle most amplifiers that are being used for a simple setup. I do like the fact that it comes with 17 ft RCA cables since that's where the majority of the wire routing ends up going through. I feel like the ground is a little short depending on where you need to wire in your amplifier however for most scenarios it will work without any issues. The added wiring for post amplifier power is another great thing about this kit for the overall low cost considering RCA cables at this length are about half the price of these kits. Wow I would prefer the whole kit to be ofc for the price it makes sense and it is well worth the value for the money that you are spending this should be a good quality and durable kit that will work for most amplifier setups. I actually got this kit intending to relocate my amplifier to an easier to access location for tuning since I had it stashed beneath a interior panel since I always want to keep an oem plus look.
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Reviewed in the United States on July 19, 2026 by Stealthiest
Size: 4 Gauge
This kit had everything I needed to wire up an amplifier and subwoofer without having to order a bunch of separate pieces. The 20-foot power cable was long enough to route from the battery to the amp while keeping the wiring tucked behind the interior panels. The cable is flexible enough to work through tight areas and around bends without fighting it the entire time. The included RCA cable also worked well and I haven’t noticed any unwanted noise or alternator whine from the speakers. I like that the kit includes the remote wire, speaker wire and a proper 100-amp ANL fuse holder. Having everything together made the installation cleaner and saved me from realizing halfway through the job that I was missing something. For a typical car audio amplifier installation this is a complete and convenient kit. The wire lengths are generous and the included components worked exactly as expected.
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Reviewed in the United States on August 1, 2026 by Joon Kim
Size: 4 Gauge
The only wire in here that is 4AWG is the power cable The rest of it the standard speaker wire is 16 gauge which is sufficient but it's definitely not your monster cable there is a RCA stereo cable that I would assume is going to a powered amplifier in the back cuz it's a very long cable I would assume going front to back of the car I have to admit I am not a car speaker person I thought this was going to be a little easier and have instructions in it and wear each of these would be used but it really does not so it is semi-useful I will have to go actually do some research and see where each of these are going to be used. The terminals are supposed to be silver-plated they look like regular metal I can't have no way of guaranteeing that they are silver plated I will just have to take their word for it maybe it's silver color plated anyway decent amount of wire not sure that it really did what I needed for the cost.
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Reviewed in the United States on July 22, 2026 by Michael-Tech Enthusiast
Size: 4 Gauge
Upgrading the stock sound system in a truck usually involves a lot of tedious wire stripping and guesswork, but having the right harness makes all the difference. This wiring kit for the Nissan Frontier takes the frustration out of aftermarket head unit or amplifier installation. Every plug snaps securely into the factory vehicle harness, eliminating the need to cut into original factory wiring. The wire color-coding follows standard industry color schemes, making it simple to map out your connections before installing anything behind the dash. If you are setting up custom car audio wiring, this set provides clean signal transfer without introduce extra static or interference. The included connectors and wire gauge handle the electrical load smoothly without overheating or pinching during tight dash reassembly. Overall, this is a great kit that saves a ton of time and prevents costly wiring mistakes during a DIY installation. It offers fantastic value for money for any truck owner looking to enhance their daily drive with better music and modern features.
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Reviewed in the United States on July 27, 2026 by FFDG
Size: 4 Gauge
I ordered this kit to install a subwoofer in our Toyota Corolla, and it had everything I needed to complete the installation. The quality of the wiring and included components was better than I expected, and the 17-foot power cable was more than long enough to run from the battery to the rear of the car, where we mounted the amplifier. The only thing we didn't use was the included 3-foot ground cable, as it was a bit too short for our installation. Other than that, everything worked exactly as it should. The RCA cables and speaker wire were also generously long, making them easy to route and tuck away for a clean installation. Great value for a complete amplifier wiring kit.
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Reviewed in the United States on July 24, 2026 by Tommy T
Size: 4 Gauge
This 4-gauge amp kit has been a solid choice for a car audio install. It includes the main pieces needed for a clean setup, like the power wire, ground wire, RCA cable, remote wire, and fuse protection, so it feels complete right out of the box. The 4GA wiring is a good fit for a basic subwoofer or amp setup, and the longer cable runs make it practical for a standard vehicle install. I also like that it keeps everything in one kit, which makes the process easier when you don’t want to buy parts separately. For a single-amp system, it’s been a convenient and straightforward option. It’s the kind of kit that makes installation simpler and gets the job done without adding extra hassle.
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Reviewed in the United States on July 22, 2026 by Amazon Customer