SKU: 27985985691

[Diode Dynamics] SS40 White LED Light Bar (one)

Sale price$393.73 Regular price$437.48
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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15

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Description

[Diode Dynamics] SS40 White LED Light Bar (one)Features Patented TIR Optics for maximum efficiency and output. Upgraded beam patterns engineered for real world performance. Modern welcome sequence and selectable backlight color with SmartSelect technology. Now available in Sport and Pro power levels. Durable aluminum housing with ASTM standard powdercoat finish. Built for the extreme with IP69K waterproof rating. Limited Lifetime Warranty. Made in USA with Global Materials. Overview See Further

Features

  • Patented TIR Optics for maximum efficiency and output.
  • Upgraded beam patterns engineered for real-world performance.
  • Modern welcome sequence and selectable backlight color with SmartSelect technology.
  • Now available in Sport and Pro power levels.
  • Durable aluminum housing with ASTM-standard powdercoat finish.
  • Built for the extreme with IP69K waterproof rating.
  • Limited Lifetime Warranty.
  • Made in USA with Global Materials.

Overview

See Further and Go Faster with all-new SS40 LED Light Bar! With higher light output, modern optics, and greater intensity than anything else on the market — plus advanced control and unmatched configurability — the new Stage Series Lightbars are the most capable lightbars available today.

Designed for Performance. Each Stage Series Light Bar has been engineered from the ground up with the most modern optical, thermal, and circuit board technologies to provide more output than any other light bar on the market. Unlike reflectors, TIR optics capture and focus nearly all of the light output, shining it only where you need it, without glare or wasted light.

Thanks to copper circuit boards on the high-power models, thermal transfer materials, and optimized heatsinks, these lightbars effectively dissipate heat from the LED chips, allowing them to run at maximum power, producing serious light output.

Built for Every Application. Each beam pattern has been fine-tuned for real-world conditions to perform even better than before. No matter the application, there is a Stage Series Lightbar for you!

The all-new Combo/Driving pattern has been engineered to blend distance and width into one balanced beam pattern. Everyone wants a great all-around light, and while other options on the market try to tackle this by combining two patterns, the resulting output is less than desirable–spot gives you a harsh hotspot, while a flood or wide pattern produces unwanted glare and wasted light. Our new Combo/Driving optic uses dozens of carefully-designed pillow optics to produce a blended, even output that measures 60x30 degrees and gives you throw downrange while still providing ample foreground illumination. It’s the ideal choice when you want one bar that can handle just about any situation, and it elevates the standard for what a Combo light should be.

SAE Driving is designed to supplement your high beams, but it's also great for general illumination, providing extra punch and distance ahead, without being a tight spot pattern. The SAE Driving pattern is a slightly broad-spot that balances reach and width with a spread of 20x12 degrees. If you’re looking to add extra distance and output to your setup, this is the perfect option.

Flood pattern provides a uniform, even illumination with a broad 100x80 degree spread of light. Unlike generic "flood" lights that are simply a heavily diffused spotlight, our flood pattern uses advanced pillow optics on the outer lens surface, to provide a true optically-designed spread, for smooth, even illumination throughout. It is perfect to use as a backup light, for lighting up anything at low speeds, or for trailers, campsites, and work areas.

Spot shines light directly from the unmodified TIR optic in a tight, long-distance beam, resulting in a highly focused 8x8 degree beam of light. The Spot pattern is ideal for high-speed desert racing, rally stages with big straightaways, or anytime you need to see far ahead with precision.

SmartSelect Technology. The SS40 LED Light Bar is available with SmartSelect technology, providing advanced control and configurability.

Dual-Function Main Beam. The SmartSelect model provides a dual-function main beam that allows you to run the inner sections only, outer sections only, or the full bar. Unlike other brands that require extra wiring or separate switches, this patented technology is programmed directly into the light bar. Simply cycle the main beam power a few times to toggle to the option you want.

This level of control is invaluable when dealing with varied terrain. When moving slowly, you can run just the outer two sections for wide coverage without glare. Then, when moving fast, switch to just the inner section for greater visibility downrange. When conditions demand all-around visibility, light up the full bar!

Multicolor Backlight. The SmartSelect model also features a selectable multicolor backlight in your choice of eight colors, providing unique accent lighting that you won't find on other LED light bars. The amber backlight color selection has been upgraded to a dedicated amber chip, part of a full RGBWA series of LEDs to produce both true white and amber output, which perfectly matches the color of our smaller LED pods. This elevates the appearance far above other RGB or RGBW backlights on the market. Selecting your backlight color is easy - simply alternate the power on and off. There’s no complicated programming with a controller!

Dynamic Startup Sequence. Anytime the backlight on your SmartSelect light bar powers on, the selected backlight color, with the exception of amber, will sequence back and forth across the entire bar before fully illuminating, for a truly premium appearance.

Standard models feature an amber-only backlight with no startup sequence. If you are looking for a high-performance, no-frills lightbar that’s built to perform, built to last, and ready for whatever you throw at it, go with the Standard option.

Choose Your Power Level. The SS40 LED Light Bar is available in two different power levels. Both options use high-intensity, automotive-grade LED emitters and TIR optics for unmatched focus and output. The Sport model offers the best bang for your buck, while the Pro model takes things a step further with a noticeable boost in power.

Swappable Optics and Colors. Just like the rest of our Stage Series lineup, the lenses on the SS40 LED Light Bar are swappable. All Stage Series LED light bars use 6000K Cool White LED emitters. This means changing your optic and color is just a simple lens swap away. No need to worry about color variation when switching from yellow to white!

Now you might be wondering - if you have a multicolor backlight, how does that work with a yellow lens? Don’t worry. Our engineers included a small toggle switch on each circuit board. When swapping out a lens, you can configure that section to be either white or yellow, which will ensure the backlight functions according to the selected lens color. Click here to view our full lineup of replacement lenses.

Snap-On Covers. Protect your investment or take the customization even further with our full lineup of Snap-On Lens Covers! Available in clear, smoked, yellow, black, or amber, these covers install in seconds with no tools required. Just snap on and go!

Proven Reliability. Stage Series LED lighting has been extensively tested for long-term operation from -40 to 185 degrees F, along with vibration, moisture intrusion, and corrosion testing. All of these tests are completed to SAE standards, just like factory components. They've also been put to the test on-road by racers and enthusiasts alike.

Experience. After over a decade in business, Diode Dynamics is one of the most trusted names in automotive LED lighting. We directly manufacture and engineer our own products in the United States using globally sourced materials, allowing for higher quality and performance, with the newest and brightest LED technology. No matter what you're driving, we pride ourselves in offering only the best possible LED solutions. Please contact us if you'd like to discuss your lighting project!


In the Box:
  • One (1) LED light bar
  • One (1) wire pigtail
  • Universal bracket set
Quantity: One (1)
Warranty: Lifetime warranty
100% Satisfaction Guarantee

Specifications

Color Temp (CCT): 6000K
Beam Angle: Combo/Driving, 60°x30°, SAE Driving, 20°x12°, Flood, 100°x80°, Spot, 8°x8°
Power (watts): Sport: 165, Pro: 225
Operating Voltage: 9-30V
Current (amps @ 12.8V): Sport: 12.90, Pro: 17.58
Polarity: Polarity Specific
Operating Temperature: -40C to 85C (-40F to 185F)
LED Emitter: Osram Ostar Projection Compact, Lumileds Automotive Grade LED
Connector(s): Deutsch DT-P Input
Materials: Aluminum PCB, Copper PCB, Polycarbonate Lens, Aluminum Heatsink, Stainless Steel Brackets
Cooling: Passive, heatsink
Intrusion Ratings: IP69K Waterproof, High Pressure
Product Dimensions (in): 2.01x41.63x2.46
100% Satisfaction Guarantee

Installation

 Installation Time: 30-60 minutes

Tools Needed: Basic Toolset

Installation Guide: Click to download

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 27985985691

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4.8 ★★★★★
Based on 8 reviews
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Verified Purchase
Eric Caldeira
Charlottesville, US
★★★★★ 5
I wish I had Siless 20 years ago!!!
Model: SLH20025, Model: SLH20025
I have installed all kinds of insulation in vehicles over many years. I only needed to purchase 2 boxes to complete the entire interior siding of my 2025 chevy express, what a great value! I wanted to insulate my locksmith van for sound and heat. The sound reduction virtually eliminated the road noise. These panels also look amazing. It got up to 110F in the sun with the doors closed. After adding Siless insulation the temperature maxed out at 97F. That is a massive difference. Plus, I didn't even finish with the roof before testing. Siless Hybrid 3in1 was extremely easy to cut and adhere onto metal panels. I'm impressed with the quality of the individual panels and the adhesive is not toxic smelling compared to some others. My favorite thing about these panels is you can actually take them off and readjust them before they finally stick and they do not leave any black residue behind when you pull them up to adjust them. All I needed was a heat gun, knife and a roller to complete this job. The size of each panel is perfect, you can handle them with ease. I probably won't need your product again for a while, but when I do I will definitely be back.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 21, 2025
M
Verified Purchase
Mark Kadrich
Phoenix, US
★★★★★ 5
Works well and is easy to install.
Model: SLH20025, Model: SLH20025
I was sound and heat insulating a generator bay in my class A RV so I did three tests before and during material application: I did a sound level test to see how effective the material was for my application, a "stickiness" test, and a flammability test. This was indoors on a dry 78°F day. From beginning to end, the entire process, including testing, took 5 hours to install 25 sqft or material in a very complex area. One hour for cleaning, 3 hours for installation, and 1 hour for test setup and testing. Using a sound meter, I took before and after readings and determined that I reduced the sound level by 2.2 db (40% energy decrease) with a noticeable decrease in sound and frequency. The generator bay is located under the master bedroom in the aft portion of the coach. The sound went from a rattling, vibrating generator noise to a more tolerable low level rumble. The material was easy to apply. I did some testing prior to application and determined that surface preparation is key. I cleaned my painted metal surface and then degreased with acetone and the material stuck well. Be careful and purposeful when you apply the material because once it was stuck to the metal, it was quite difficult to remove or reposition. Since it was going to be installed into a gasoline powered generator bay located under our sleeping quarters, I did some flame testing to determine the level of risk. Although not highly flammable after installation, my testing revealed that the PE used will catch on fire under certain circumstances. In order to reduce the risk, I used aluminized duct tape to ensure that all the edges were sealed and the PE was not exposed to direct flame in the event of a fire. I also decided to install an automatic fire extinguisher as an added precaution. In all fairness there should be one installed in the generator bay anyway. All in all, I am very satisfied with the product and the results. I have recommended this product to my other RV owner friends.
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Reviewed in the United States on April 13, 2025
J
Verified Purchase
Josh
Houston, US
★★★★★ 5
Great product. Best value i could find
Model: SLH20025
I'm using talk to text, so forgive any grammatical and spelling errors. I ordered this product after doing a bit of research on sound dampening materials. I had been doing car stereo for quite some time since my teens. Itook a break for 20 years or so. I'm now 40 and back in the day there was dynamat. And that was about it. as irecently bought a new 2017 F350 crew cab. I wanted to put in a new stereo system and being that it was my dream truck. I was going to put in my dream stereo. But before I could do that, I needed to start with the sound deadening. I looked into today's leading product and found a company called resonx. Had taken their place as king of the hill in sound deadly. I researched their products and found the materials they were built from and Silas was the closest match at the best price I used Silas Max. First, then Silas 3 and 1 hybrid over that on all exterior panels. Then, on the interior panels. I used the 3 and 1 hybrid . on the floor I used Silas Max. Then, the 3 and 1 hybrid, then Silas liner over that the car is incredibly quiet . As far as sound dampening and deadening, it works very well for the money really can't beat it. Do your homework no How and where to apply it? And you really can't go wrong or about $400. I did. What would have cost me easily? Two thousand in other brands highly recommend the product prep work.Is everything do your homework?Do it right and you will be happy with this stuff
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Reviewed in the United States on May 6, 2026
W
Verified Purchase
william scott
Port Orchard, US
★★★★★ 4
Not simple, nor easy
Model: SLH20025
I wanted to add sound proof material to the bare metal areas on the floor of my Toyota Tundra. The area behind the front seats had a haphazard application of sound deadening material. There were several complications to the project which may come up in other vehicles. First is the floor covering which had plastic pillars underneath to support any weight on the cover. The sound deadening material had to be cut out so these pillars would rest on the bare metal of the floor. This required a lot of cutting with a utility knife and at times heavy scissors. The instructions say to make a template before cutting the material and I did this for the driver's side. This doubled the amount of time needed to install it. On the passenger's side I laid the rectangles of material with the backing on and pressed the floor covering onto the material. This showed where the support pillars were, which I then cut out. Second is peeling the backing off the material. This can be very difficult as the adhesive sticks to it. The backing came off in multiple pieces and sometimes took 5 minutes for one piece. They say to wear gloves when handling the material but this is impossible when trying to get the backing off. Third is pressing the material onto the metal. The instructions say to use a roller, but this was impossible for the irregular surface I was working on. The hand is the best tool to press the material on. The material seems to be of high quality and I expect it will reduce the road noise in the cab.
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Reviewed in the United States on May 18, 2025
M
Verified Purchase
Mike
Cuba, US
★★★★★ 5
Great sound mat for the price!
Style: 50 mil 50 SqFt, Style: 50 mil 50 SqFt
This is a good product. Many people go with KILMAT because of the value to price point. I did as well. When you clean the surface (in my case it was all painted metal) this stuff sticks very well. I do recommend you use a seam roller of some type, I used Lumiteco 3 piece roller set. This will help with adhesion and mostly flatten the overlapped edges. It also helps you see where you have rolled as it leaves little grooves. The difference when we had no sound mats and after was very impressive. We haven't finished our install yet and it is quieter than when we had an interior in the van. There are thicker mats available in other brands, but this will work great for our van build, but this helps keep the weight down. It is quality material, just be careful when you are removing the backing, the edge of the foil face can cut you. I suggest you layout where you are installing the mat and cut to fit. From what I have read, you don't need to cover every inch in the vehicle, just spot install for a big difference. I chose to cover most surfaces to help keep sound out when we are sleeping in the van. We haven't finished putting the van yet, but we have driven it around and been very satisfied with this product.
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Reviewed in the United States on December 3, 2025

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