Black Oak 20 Inch S-Series LED Light Bar Review

Black Oak 20 Inch S-Series LED Light Bar Review
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Black Oak 20 Inch S-Series LED Light Bar Review

Black Oak 20 Inch S-Series Single-Row 100W LED Light Bar

Black Oak LED’s S-Series single-row LED light bars offer extreme stealth and exceptional brightness all packaged in an industry-leading durable aluminum housing with the industry’s top rating against dust and moisture ingress. The 20 inch LED light bar in this series mounts almost invisibly within a vehicle’s bumper, grill or trim.

However, it will knock your socks off once you throw the switch and experience its gloom crunching, penetrating illumination. Those are just a couple of the reasons this is one of the most popular S-Series light bars.

With the included swivel-mount brackets, this single-row, 20-inch light bar fits in spaces too slim for double-row lights. It takes up just 2.6 inches of height, 3.2 inches in depth and spans a total of 23 inches in length from bracket tip to bracket tip.

Six different configuration options are available. Order it with either 20 3W or 5W top-bin, high-efficiency OSRAM LEDs. Then choose your beam pattern option. Available are the long-reach, slashing spot beam, wide area flood beam or the ever-popular combo beam that features a center spot with side flood beams.

Each version features one powerful LED per inch of light bar. The 3W version puts out 6,220 raw lumens, while a 5W OSRAM LED-equipped 20-incher delivers an awe-inspiring 11,000 raw lumens of fierce brightness on the trail or road ahead.

Lighting performance is one thing, but it is all for naught if the rest of the light bar skimps on components as all cheap imported light bars do. Black Oak LED light bars are overflowing with quality design, engineering and top-tier components. Black Oak LED makes the best light bars at the best prices far below the competition and backs it all with a lifetime warranty.

featureKey Product Features

  • 20 top-bin, high-efficiency 5W or 3W OSRAM LEDs with lifespans of 50,000 hours
  • Over 6,000 or 11,000 raw lumens of bright, white light
  • Shatterproof, scratch-resistant polycarbonate lens
  • MIL810-STD build quality
  • IP69K intrusion rating withstand harsh environmental conditions
  • Low-profile, aerodynamic design
  • Swivel mount for vertical beam alignment


  • Super-bright and compact
  • Torture-tested reliability


  • Too long for convenient rotation

S-Series Six-Inch 5W OSRAM Light Bar Technical Specs

led featuresNumber of LEDs: 20 high-efficiency 3W or 5W OSRAM LEDs

led featuresWattage: 60W for 3W LEDs and 100W for 5W LEDs

led featuresMaximum current draw: 5.7A and 6.7A respectively for 3W or 5W versions

led featuresWeight: 6.6 pounds

led featuresDimensions: 2.6 inches high by 3.2 inches deep by 23.0 inches long bracket to bracket

led featuresIllumination Power: 6,220 or 11,000 raw lumens depending on LED size

led featuresIP Rating: IP69K as specified by IEC standard 60529

led featuresBeam Patterns Available: Spot, Flood or Combo

led featuresAccessories: Stainless ends brackets with swivel clamp, mounting hardware and complete IP69K wiring harness

led featuresWarranty: 30-day money back guarantee, lifetime limited warranty


led light bar applicationsThe 20-inch S-Series is the most popular choice for car, jeep and truck owners as it fits nicely within most grills or below the bumper. It also looks good when mounted on a truck rack or above the windshield.

led light bar applicationsThese are too large for takedown lights, but both police and fire vehicles love this size for scene illumination.

led light bar applicationsOn boats, due to the length, these are not usually 360-degree rotatable but with just 20-30 degrees of rotation they are excellent navigation lights on rivers or narrow waterways.

led light bar applicationsHeavy-equipment operators often use a single Black Oak 20-inch light bar on each side to augment front/rear lighting.

led light bar applicationsATVs or UTVs often use the 20-incher with combo beam for their forward trail light with smaller light bars or round lights to the rear.

What’s in the Box?

Every Black Oak S-Series LED light bar comes with complete stainless steel mounting hardware and a fully-equipped wiring harness that includes IP69K Deutsch connectors, switch, relay, fuse and a generous length of cable. Everything is there including detailed instructions, so you can get right to work mounting this light bar after opening the box. All you need are a few ordinary hand and power tools and an hour or two to complete installation.


Those top-bin OSRAM LEDs used in Black OAK LEDs are not the rejects most cheap import LED light bar makers use. Furthermore, they put out as much light as possible for as long as possible because they are backed up with top-notch driver circuitry to keep them running cool at maximum efficiency. Heat is wicked away from the rear of the sturdy aluminum housing used in the S-Series with integrated, oversize heat sinks.

The front of the LEDs are protected by a shatterproof polycarbonate lens. The entire LED light bar is made waterproof and dust proof with a custom rubber seal and 26 stainless fasteners around the lens trim plus military-grade breathers. Not only does this 20-inch light bar achieve the highest international intrusion rating of IP69K, but it also meets U.S. military standard MIL810-STD. That is why you often see these light bars on public service and emergency vehicles.

Nearly all LED light bar reviews of the 20-inch S-Series bar are amazed at how easy and quick these are to install with the hardware provided. One or two buyers wished it had slide-able, channel studs, but you cannot have everything.


The 20 inch LED light bar in Black Oak’s S-Series, single-row product line is a consistent favorite among both off- and on-highway buyers. It offers the perfect combination of options, price and mounting versatility to please most vehicle, boat, UTV, ATV and commercial needs.

Despite the palpable quality and astounding performance of this light bar, it comes at a highly competitive discount to light bars from other quality light bar makers who are leveraging their brand name. If you want the most from your LED light bar dollar, the 20-inch S-Series light bar is a standout buy.

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