Best 4 Inch Light Bar 2023

Best 4 Inch Light Bar

One way of ensuring that you have a memorable off-road experience is by investing in the best light bars. However, some tend to be too bulky and difficult to move from one place to another.

Luckily for you, they come in different sizes, with some being more portable than others. An example of such a size is 4-inches which is small but still pretty bright. By the end of this article, you’ll be in a position to find the best 4 inch light bar as we shall discuss all there is about them.

Table of Contents

4 Inch Light Bar

Here is some sample of 4-inch light bars that we suggest you look at. They are some of the best in the market, and you can’t go wrong if you settle for any of them.

RankingProduct NameWattageVoltage
1Nilight 18W LED Light Bar18 watts‎12 Volts
2Ambother 120W 4-Inch Light Bar60 watts12 Volts
3Auxbeam 4-Inch LED Light Bar18 watts9 ~ 32V

1. Nilight 18W LED Light Bar 4 Inch

Nilight 2PCS 18W 1260lm Spot Driving Fog Light Off Road Led Lights Bar

Key Specs:

  • Package of 2PCs 18W LED bars
  • Lifespan of over 30,000 hours
  • 1260 lumens
  • IP68 rating

There are two impressive aspects of the following product. First, Nilight is a reliable brand that always seems to get it right with LED light bars. Then, you get a set of two pieces so that you get total value for your money.

Other than that, each unit has an output of 1260 lumens which may not be the brightest but will light up just enough of the distance you need. The concentrated spot beam only helps in increasing the distance that the bar will light bar.

What about the build quality? Well, the die-cast aluminum housing combined with the lens made of toughened glass gives you a well-made unit. So, if the light bar happens to fall suddenly, there is minimal chance of it breaking apart.

We also noted that the light bar are rated at IP68. This implies that if your off-road trail leads to muddy waters, the units will remain in good shape even if the water gets to 3ft deep. In addition to that, the unit is very dustproof

Lastly, you may be pleased with the lifespan of over 30,000 hours which is quite decent for a light bar meant for off-roading.


  • It comes with adjustable mounting brackets
  • Excellent heat dissipation
  • A pack of two pieces


  • Poor corrosion-resistance

2. Ambother 120W 4-Inch Light Bar

NOVSIGHT 4 Inch LED Pod Lights, Spot Flood Driving Light 120W 12800 Lumens Off Road Lights Combo

Key Specs:

  • Spot and flood combo light
  • 12800 lumens
  • Die-cast aluminum housing
  • Adjustable mounting bracket

We shall start our discussion by looking at this unit by Ambother. We liked how bright it is, courtesy of the light output of 12,800 lumens and the triple row LED design. So, no path will be too dark for you, and it will seem like you have your own sun.

Next up is the aluminum alloy die-cast housing, which makes the unit quite sturdy and durable. Further, the light bar is rated at IP67, which means it can withstand being submerged one meter deep underwater for about 30-minutes.

Also important is the lifespan of over 50,000 hours which will reduce the frequency with which you change the lights for new ones.


  • Well-made
  • Easy to install
  • Very bright


  • Poor quality mounting brackets

3. Auxbeam 4 Inch LED Light Bar

Auxbeam 4" LED Pods 18W Flood LED Light Bar 1800lm Driving Light Off Road Lights for SUV ATV UTV Trucks Pickup Boat

Key Specs:

  • 18W 1260-1800 lumens
  • IP67 waterproof and dustproof
  • Lifespan of over 50,000 hours
  • CE and ROHS certified

Lastly, Auxbeam gives us a unit that this quite versatile, and you can mount them onto off-road trucks, fishing boats, farming machinery, military trucks, and so on.

Rated at 18 W and an output of 1800 lumens, these are decently bright light bars that will illuminate a considerable distance ahead. This is in addition to the 6000K of white light, which will turn the otherwise dark trail into bright as day.

Besides that, the die-cast aluminum housing alloy gives the bars impressive sturdiness and longevity. As if that’s not enough, the lights feature cooling fins for better heat-dissipation than other units in the market.

Moving on swiftly, this unit from Auxbeam is rated as IP67 waterproof. This ensures that the light bar performs reasonably well even in unfriendly conditions such as heavy rain and extreme dust.

We have no complaints about the working life of over 50,000 hours which ensures you will not be heading back to the store any time soon for a new unit.


  • Anti-corrosive and rustproof mounting brackets
  • Wide application
  • Affordable


  • Poor customer support

Factors Should Consider for the 4-Inch Light Bar

There are countless models of light bars in the market, and it is up to you to narrow your search as much as you can. An intelligent way of doing this is by considering specific factors, which we shall discuss below.


The number of lumens determines how bright your unit will be. You should be aware that the more the number of lumens, the brighter your lighter will be. For a 4 inch light bar, any lumen count above 1200 lumens is acceptable.

Ease of Installation

A unit that comes with all the installation hardware is likely to be easy to set up. Some units even go a step further and include a user manual in the package to guide you in the installation. This will ensure that you hit the road as soon as possible.

Other factors to consider include:

  • Material
  • Size
  • Beam angle
  • Color temperature
  • Mounting options
  • Price
  • Power Consumption

FAQs on 4″ LED Light Bar

Before we conclude our discussion, we shall answer some queries that have probably been bugging your mind for a while.

Which are the leading brands of LED light bars?

Some brands are associated with quality products and rarely seem to disappoint. They include Nilight, Turbo, Auxbeam, Turbo, and so on.

Whenever you meet these names, always read the specifications to be sure that the unit will meet all your needs.

According to national laws, light bars are only meant to be used in off-road driving. If you use them on normal roads, you are likely to get into trouble.

We also advise that you check what the spate-specific laws say regarding the use of these units.

There is exception in New York, you can read more at this blog post of us.

How do I maintain a light bar?

Luckily for you, most light bars are low-maintenance. In most cases, all you have to do is regularly wipe it out with a cloth to keep the brightness high.

Overall Best

We staled at the “Nilight 18W LED Light Bar 4 Inch” as the best 4 inch light bar and feature it on our list top.

It is very bright, easy to install, and has an impressive lifespan. If only the mounting brackets that it comes with were of better quality, it could have been the perfect item in the market.

Closing Remark

With a 4-inch light bar, you won’t have to worry about moving it to different locations as the size and weight are pretty convenient. Other than that, if you settle on a product with an acceptable lumen count, your off-road trail won’t be as dark as you had expected.

And with that, we believe you will have an easier time searching for the ideal light bar in the market.

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