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Underwater LED Lights - 9 Watt

Part Number: MLSS-x9W
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$99.95 ea.
Volume price as low as $89.95
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These underwater LED lights function as transom lights, pool lights, pond lights, fountain lights, and are also great for underwater dock lighting. The vibration- and shock-resistant LED light has a 316 marine-grade stainless steel housing with a shatterproof polycarbonate lens. Using only 3 LEDs, this underwater light emits up to 550 lumens of cool white. The 9-watt waterproof LED light has a built-in constant-current driver, 12V DC operation, and is designed to last 50,000 hours.

3 Years
Super Bright LEDs, Inc. offers a 3-year warranty to protect against manufacturer defects and malfunctions. If you experience failure of an LED or other component not caused by negligence, abuse, unauthorized repair or disassembly, we will replace the product within the warranty period. If the same product is no longer available, a product of equal value may be substituted. Read More
  • Architectural Lighting
  • Submersible Lights
  • LED Fountain Lights
  • Stern Lights
  • On-Hull LED Lighting
  • LED Pool Lighting
  • Ponds
  • Marine LED Lighting
  • Dock Lighting


Swipe left to see additional specifications
Part NOCCT / Wavelength
MCD per LEDIntensityCurrent Draw @ Operating Voltage
Price Ea.Product WeightLumen Per DollarLight Distribution
WattageEnvironmental Rating
MLSS-W9W6200 K-550 lm0.51A-$99.95-5.5 lumen/dollar-6.1 W-
MLSS-B9W455 nm--0.50A-$99.95---6 W-
 Product Documentation
MLSS-x9W - Underwater LED Light - 9 Watt
Underwater LED Light - 9 Watt

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Stout and Bright

I haven't used them underwater yet, but will do so (and submit photos) soon. As far as the light - I got the blue LEDs, and they are incredibly bright. The housing is stout and feels solid, and is stainless steel. The wiring appears to be well sealed in the housing, is protected by a second rubber insulator, and is long enough to fish through your transom and to a point where you can splice it into your power supply, or at least into a wire to run to your power supply.

A few criticisms / things to be aware of - 1: The back is not flush, and the raised area around the wiring (center) was slightly thicker than the flanges around the outside - this meant either grinding down the gel-coat in the center, grinding the light, or being careful to make sure it mounted flush. Either way, use a liberal amount of sealant (not provided) like 3M 4200 or similar. 2: No mounting hardware is provided, so make sure to find your own stainless screws to use.

Overall, they seem great.

Helpful? Yes (20) No (10)

Response from Super Bright LEDs:

Thank you for your comments. The rear of the light isn't flush because it enhances thermal management by allowing the unit to run cooler, extending LED life.

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i am putting these on our pond fountain. i won't know until next summer when i put it back in the pond just how bright they are but they seem to be very well made.

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Powerful lighting for a moderate price

I purchased three of these lights in white to use on a 24ft ski boat in fresh water. They are fantastic at night, and when correctly placed, will light up wake while underway.

i placed two on the hull on the left and right, and one dead center on my wake gate. it shines about 20ft or so. My lake is green/blue, and the light is very clear and white for about 10 feet, then the color of the lake becomes more and more evident. fish love the light produced. i went with white because it penetrates the lake a little better, and because my lake is green/blue anyways.

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Good Light for Fountain. HIGH Priced

Puts off allot of light.. Feel very overpriced 50%

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