Great for the Price
Thick 4700 strand. Not as thick as Knu but it is so much cheaper and it is well worth the money. Great product. Heat shrink is a little dinky and lugs have small holes so it wasn't easy to find grounds.
162
found this helpful.Good Quality
Helps upgrade your stock cables to run your system better
154
found this helpful.Does what it should!
I purchased this big3 because I needed to upgrade to 1/0 alt wiring for the 320amp DC alt coming in. Kit has everything you need besides a fuse and block, nice flexible high quality ofc wiring and sturdy terminals. Even on the stock alt just adding this wiring increased my output and really helped stabilize my voltage. Something that just about any audio system can benefit from.
153
found this helpful.Awesome kit
This kit has the same amazing high strand silver tinned copper that NVX uses in their amp kits. It is super flexible and easy to work with. The ring terminals that are included i noticed are made of copper with some kind of chrome coating, and they are very good quality. You will need some sort of crimping tool though. The only thing I didnt like is they suggest that you put a fuze within 12 feet of your battery on the battery wire but there isnt one included with this kit but otherwise it is awesome.
148
found this helpful.Love it
I ran this kit in a 2009 Aveo5 lt and it was very easy to work with and had plenty of wire to use. It made a major difference in the electrical system. I am running 2 Dc audio 12 inch level 4's and a hifonics 2400.1 d class amp and a hifonics 640.4 and not headlight dimming since I put this in the car.
144
found this helpful.Great !!!
Good quality I will recommend this nvx product to anybody for the 3 upgrade
149
found this helpful.OK
its a nice true gauge ofc product that in my opinion is worth the price
140
found this helpful.Great kit
This big three kit is awsome. I like how only one end of each wire has a terminal crimed on and not on both ends. Having the extra terminals to crimp on your own allows for a custom cut and crimp. I install car audio as a hobby for many of my friends and family. As well as their friends and relatives. I have used many kits, or custom made my own. This kit is extremely convenient and easy to use. It allows for custom cut and no need to purchase anything extra. Everything you could possibly need for a big three upgrade is in this kit. The wires are extremely flexible and will turn into tight corners. I like to hide as much wire as possible as I like a clean look. These wires were more than what I hoped and was looking for. I will most definitely be looking for spools of this wire for future audio installs.
139
found this helpful.Big 3 done
Great wires, easy to install and gauge to spec, fits 0 gauge fittings perfectly. I also bought the NVX battery terminal connectors. Very happy with the quality of their products. Ended up with about 4FT extra wire.
135
found this helpful.big 3 kit
this is a great kit. I bought off ebay a 8 ton crimper to crimp the lugs that needed to be crimped after you get them to length. This kit fit perfectly over my new mechman alternator lug. The big 3 kit now gives me all the power I need. The wires were plently long enuff and install was so easy. Buy it...it just works.
130
found this helpful.Good Wire, But That's It
Awesome, true to spec wire, fairly flexible being that it's such a big wire. The kit came with everything I needed to do the big 3. Now for the bad part. The upgrade did absolutely nothing for my charging system, the only thing I done was managed to blow money on something that I didn't need, made no difference. It's all a sales gimmick, the only way I think it will make a difference is if your running a really h/o alternator in which you would be required to run larger gauge wire or melt the smaller gauge factory wiring, catch stuff on fire etc, but for a stock alternator? Your just wasting your money. But I can't give this product a low star review, it's wiring. The wire is great, just the purpose of the wiring is a waste of time & money for stock alternators. Bad purchase for my app, or any similar app running stock alternators, don't recommend big 3's for it, just trust me and don't make the mistake I did..
107
found this helpful.NVX Big 3
Got this product very quickly, for what you pay for its very good 1/0 OFC wiring and came with all necessary things for installation. I would recommend this product if your on a budget looking to improve your electrical.
105
found this helpful.Great Quality Wires For A Great Price
These wires work good with allowing a lot of juice to flow I got these wires when I ordered a 300 amp alternator cuz I added aa lot to my car audio, I gt 2 12 inch kicker comp vrs in a ported box with a 1000 watt ma audio mono amp plus 2 15 inch kickersolo baric L7s in a ported box with a 5000 watt planet audio mono amp which i bought that amp from this site as well
Its all great
100
found this helpful.Great Quality Wires For A Great Price
These wires work good with allowing a lot of juice to flow I got these wires when I ordered a 300 amp alternator cuz I added aa lot to my car audio, I gt 2 12 inch kicker comp vrs in a ported box with a 1000 watt ma audio mono amp plus 2 15 inch kickersolo baric L7s in a ported box with a 5000 watt planet audio mono amp which i bought that amp from this site as well
Its all great
96
found this helpful.good product
This item is good because you can get it all in one order. Its more expensive than ordering by the foot, the ordering terminals separate and all that. So it adds a bit of convenience. The cables are high quality. The terminal are also very good. Make sure you scrape, sand, or grind off the chrome finish . Its copper underneath.
Only thing that would make this kit better is if included a fuse holder and a fuse (like the competitor products) . The reason I chose this kit over the ones that include the fuse and holder, is this is OFC cabling. If your going to buy 0 gauge, no point buying crappy CCA.
Overall good value, would definitely buy it again in the future.
96
found this helpful.good easy kit to use
Comes with everything you need to install. Very easy to do bend.
83
found this helpful.Awesome kit
The wire in this kit is top notch! The lugs and heat shrink made the install look professional. Wire also bends around corners very easily, I had read this in the reviews but I was surprised how easily it bends. Very happy with this kit. Five stars! Sonic was awesome as always
86
found this helpful.Great Quality Wires For A Great Price
These wires work good with allowing a lot of juice to flow I got these wires when I ordered a 300 amp alternator cuz I added aa lot to my car audio, I gt 2 12 inch kicker comp vrs in a ported box with a 1000 watt ma audio mono amp plus 2 15 inch kickersolo baric L7s in a ported box with a 5000 watt planet audio mono amp which i bought that amp from this site as well
Its all great
88
found this helpful.nice oackage
Wire look nice comes in a good looking package all together
89
found this helpful.heavy duty
These are heavy wires the casing is packed I love them I want and need to get the amp wiring kit nvx and get rid of my old wires
81
found this helpful.NVX 0 gauge
This product was amazing. It was think wiring along with it being OFC. The only thin is you will need a soldering kit for the terminals because you would not be able to crimp them.
69
found this helpful.Fantastic value!
The quality of this cable is superb, it appears to be identical to the Kicker 1/0 hyperflex I ran front to back 5 years ago. It's REAL copper wire which is almost hard to believe considering the price of the kit vs how copper has skyrocketed in price over recent years. Of the 5 or 6 brands of 1/0 I have in my car and numerous others I've installed, NVX is now very near the top of my list.
The lugs included are also of very high quality. My only complaint is the holes were a few sizes too small for my application for everything but the alternator output post which was a tad too large. Nothing a vice and sharp drill bits couldn't fix though.
I spent hours shopping around for the best big 3 upgrade kit in terms of value, I firmly believe that this is it.
67
found this helpful.AWESOME KIT!!
Quality is top notch, I was so impressed with this kit that I bought the 0 Gauge Amp kit...
60
found this helpful.Very High Quality Big 3 Kit
I don't think I can put the quality of this kit into words. NVX has done it again. I have yet to be disappointed in a single product from them. The tinned copper cables have a very high strand count. The copper in these cables is every bit of 1/0 ga. I would say it's actually a little larger than true 1/0. The jacket on the NVX cables is beautiful. It is just the right thickness to offer great protection and remain highly flexible. The terminals provided with this kit are the biggest I have ever seen. They are very thick. You will either need one heck of a crimper or be prepared to solder as I did. The lugs and jacket hold up very nice to the heat from the torch while soldering. My electrical system in my NNBS GMC Sierra Crew Cab is performing extremely well after big 3 upgrade with this kit. I'm running 2 amplifiers and my voltmeter doesn't budge at full tilt. Only time it drops is due to the GM voltage regulator on the newer trucks that supposedly helps the mpg. I can even hold down all 4 window buttons with stereo and A/C on and the voltmeter stays on same reading. Awesome. I've used plenty of other brands of cable and none of them come close to NVX. You will not regret buying this kit.
57
found this helpful.I used everything in the kit
Really great kit. The wires are very flexible. Also, the ring terminals are super heavy duty and perfect for soldering.
57
found this helpful.Thick
Nice thick cables. Haven't installed it yet. Waiting until I drop my engine.
58
found this helpful.Good Buy
Good product. Exactly how described and worked for what we needed it for.
57
found this helpful.Great quality
Great product , super flexible and had more than enough material to correctly install.
39
found this helpful.Nice big 3
Nice product but Sonic customer service is a bit to be desired. Everything I've tried to order has a problem so buy the big 3 straight from nvx and save yourself the headache not messing with these people.
37
found this helpful.Awesome kit
Would deff. Recommend this product. Got more than enough wire to do the big three update. Still have low voltage at idle but its mainly due to H/O alt.
33
found this helpful.OmG amazing!!!
This is oxygen free 100% pure virgin copper (OFC) that has been dipped in silver. I was using a diffrent cables that was OFC but it was also (CCA) Aluminum wire dipped in copper.
The difference in volts that I gained was 40% higher! So it is most certainly more efficient. Thank you NVX & thank you sonic electronix!!!!
33
found this helpful.NVX Big 3 Kit 100% OFC copper Hyper flex
PROS
Product is amazing Thick and very flexible great product easy to work with and comes with everything for a clean install
CONS
DOSE NOT COME WITH A FUSE HOLDER AND ANL FUSE SO GET YOURSELF A 300 AMP ANL FUSE AND FUSE HOLDER
33
found this helpful.Great buy
Product came fast and was top notch.. I'll def recommend this to anyone looking to optimize there electrical system
34
found this helpful.Big wires
When it comes to do the big 3 this its the best kit you would find for the buck. I did a lot shoping around to find the best quality and price and it leads me to this nvx... Once I got it deliver and I check it out it totally impressed me on quality and flexibility... This its a top quality wiring brand at least I think so, for what I experience.. I like it so much that I also order a power and ground wires from nvx for my entire system ( jlhd 1200, jl 400/4, rf cap.hd10fard)
As far as imprubment it did, louder and clearer bass, louder mids and highs, the only think it didn't help much on dimming lights, it help some but I can still notece some dimming when playing it super loud... But as fur as big 3 upgrades this its the kit to get....
34
found this helpful.Best quality wire
This wire IMHO is better than knu and sky high and cheaper. Very flexible and slightly bigger spec.
You can not go wrong, and this kit gives you 14 feet total as opposed to every other company giving 12 feet.
32
found this helpful.Awesome kit, would recommend to anyone wanting to do the Big 3!
First thing, I was recommended to buy this product, and I truly thank the person who recommended it! I was debating whether or not to get the OFC or CCA, and OFC was definitely worth the extra buck! The kit was easy to install, and with only a few tools from home. Couldn't have asked for anthing better!
32
found this helpful.The best!!!
This big 3 kit is hands down the best NVX wiring is the best I have worked with!! Very flexible and easy to work with!! All the connectors were easy to use and get more power and it eliminated the headlight dimming I was having!! Great product with an awesome price tag NVX is a great brand with awesome quality!!
32
found this helpful.Great product. Love the brand nvx
Big three was a great upgrade. Worked perfect plenty of cable and ends. One of the best big 3 upgrade
32
found this helpful.Awesome Product!
This is a well put together kit that comes with everything you need for the Big 3 upgrade. High quality materials make for a clean install. I would highly recommend this kit to anyone looking to complete this upgrade.
32
found this helpful.Excellent quality
Product did what it was intentionally designed for and help out my electrical system a lot!
31
found this helpful.Big 3 Kit Is Awesome.!
Love this product, great wire, they send more then enough wire for the job.. No short cut’s anywhere.. highly recommend this to anyone installing a system no mater what size. Completely stop my voltage drops and light dimming. Thanks NVX.
Will be buying another one for future projects.
31
found this helpful.Awesome package deal!!!
This kit is amazing, it gives u everything u need all in 1 package so u can save money buying it all separate. If I'd had to buy all the pieces individually I'd have easily spent double!!!! Not to mention the quality of NVX wire it easily competes with fosgate, kicker, and Jl audio wire, it's just as good and the same amount of strands plus it's silver tinned to stop corrosion and for half the price!!! U can trust this company on any of their products and won't be disappointed!!!
31
found this helpful.Works great on tundras
I was asking a lot from my stock alternator and batter playing 2100 watts rms. I read about doing the big 3 ad was hoping it would help. My idling current was 13.6 volts from the factory. After the big 3 I was seeing consistent 14-14.2 idling voltage on my digital distribution block. Highly recommend the big 3 upgrade to squeeze all you can from the factory set up.
Nvx 1/0 power wires were great quality, very flexible. I liked them so much I upgradedy 4ga supply wire for my amps to 1/0. Great products at decent prices
31
found this helpful.Extremely high quality cable!
100% OFC cable was very flexible and easy to work with, and included good quality ring terminals allowing easy soldering.
31
found this helpful.Must have
This is a necessary upgrade for anyone interested in real power. I love the quality of the insulation and the flexibility to run anywhere. Had all the goodies included. Could have an anl fuse block for extra protection, but no biggie.
30
found this helpful.Great Kit
I really like the NVX wire. Its flexible but not because it is lacking wire. I find that most flexible wire is lacking just that. Wire!!! You want the most amount of wire strands in order to carry the current. The jacket feels very well made and I like all the terminals and heat shrink you get along with the kit. Its overall a great value. Very happy with this purchase.
30
found this helpful.NVX XBG3PK Big 3 Kit with True 0 Gauge 100% Oxygen-Free Copper
I would most def recommend this big 3 upgrade for the simple fact its a great price great company behind it and it works. Great quality of the wires very thick and true to size. I had enough wire in this package to actually make a big 4, by grounding my alternator. my only complaint is that the shrink wrap is not the best but I can live with it. .
30
found this helpful.NVX XBG3PK Big 3 Kit with True 0 Gauge 100% Oxygen-Free Copper
Awesome product will no buy for every car i got.. love the performance from this kit.
30
found this helpful.Perfect purchase!
Cheaper than any other brand I could find, cheaper than some CCA 0 Gauge kits I've seen out there as well. would recommend
30
found this helpful.Great Value!
Good wire with great hardware! Definitely will be buying this kit again with my next build!
30
found this helpful.Works Great
Installed this on my 2017 Honda Accord. Voltage never drops below 13 volts with 3500 watts rms.
30
found this helpful.Great service and quality products !!!!!!!
Quality of product is as it was discribed. Also shipping was fast!!
30
found this helpful.Happy customer
This Big 3 setup kit is better than what I was hoping for. Its really is TRUE 100% OFC 1/0 AWG, that is very strong and flexible. I installed this on my 95 GMC Suburban K2500 and took me no more than 25 minutes (ripout and installation) to complete. Even had about 3 feet left over from the power wire and close to 2 feet left from the ground wire.
31
found this helpful.Great Wire
I originally ordered the mechman big 3 upgrade to match the mechman high output alternator that I installed. But the mechman wires were crap! The 0 guage was so loose in the housing that you could pull strands out from the ends. Complete garbage. I ordered the nvx to replace and the quality was so much better.
29
found this helpful.Night and day difference
Extra battery? Cap? NO!! BIG 3 all the way!! This is the best upgrade for a serious system. Quality product.
29
found this helpful.True 1/0 Gauge
I was happy to see that this product out shined the other options in the same category by having true 1/0 Gauge OFC Copper. Plenty of length for the runs, and made a run from opposite ends of the vehicle bay in my car from alternator to battery. Won't be a problem of too little wire for 99.9% of cars.
29
found this helpful.High Quality parts
The Quality of these wires was very high and had everything needed to install this straight into my car. Unfortunately, on my car the alternator is on the opposite end of the engine bay from my battery, so only one groud wire was long enough, but it was easily fixed by buying a second five-foot ground cable. Overall, a great product
29
found this helpful.Great Price and High Quality Kit
This kit was a great value and well worth the price. The wires are true 0 gauge as indicated in the description and I would definitely buy this product again. It came will way more than enough wires and parts for the big 3 upgrade!
29
found this helpful.Tim
Its the Big3 at its best, high flex 100% OFC true spec. If you need power then you need this upgrade.
32
found this helpful.better than perfect.
This big 3 kit is amazing. Just like the 0 gauge kits. The wore is amazing and very easy to use.
30
found this helpful.Good value but not fully ready to install.
Good price for the material but it doesn’t come fit for my car and it doesn’t come fully ready to install which sucks because now I have to buy the tools just to prepare the wires so that I can install them. If I knew this beforehand I would have never bought it.
28
found this helpful.Great upgrade
If ur looking to upgrade ur electrical system this is the kit u need
28
found this helpful.great product
has the quality and good pricing, upgrade from stock charging system.
28
found this helpful.JUST GET IT!
True 0 gauge copper!! What more can you want!! You need this now and you won't be disappointed! Really great colors too!
31
found this helpful.Great product
Wires size is true to its size, works great no issues.
28
found this helpful.NVX XBG3PK Big 3 Kit with True 0 Gauge 100% Oxygen-Free Copper
come with every thing you need to do the big 3 upgrade and with quality wire
29
found this helpful.Awesome product
Came with more than I thought, had the wire, splitters, and fuse block I expected, but also came with different fuses for different amps. Definitely will buy again
27
found this helpful.Worth every penny!
I was really pleased with this kit. Not only does it provide you with plenty of wire to work with, but to get all the extras in the kit for this price is hard to beat. It would be almost impossible to build your own kit with comparable products for the same price!
27
found this helpful.Good product!
Great buy for this item. Helped with my system and I'll be buying another set soon for another car!
27
found this helpful.It's wire
Sonicelectronix offered me $5 off my next purchase if I reviewed my last purchase.. so here it is.
It's okay wire. Definitely not the best 0 gauge I've ever had, but certainly better than that copper clad aluminum garbage.
26
found this helpful.Excellent quality
The kit came with all the needed hardware. Needed to grind down the connectors to fit my battery terminals. Other than that more than enough wire.
26
found this helpful.Good
This did help out with my issue, and it's a good buy, because all I had to do was connect it since the ring terminals are already on the wire ready to go. My battery post just uses a allen set screw for the bare wire end.
29
found this helpful.Excellent quality on this Big 3 kit, nvx a good brand ????
Nvx big 3 upgrade
Installed the big 3 upgrade on a 2012 f150 and it made a major difference in voltage wires are long enough to cut to length you need and have some left over I personally put a 250 amp circuit breaker in between my battery and alternator wire just for piece of mind you don’t have to do this I just chose to do it on my truck. But I definitely recommend the big 3 upgrade from NVX especially if your running high output amps and and other accessories it’s a must have