Radion XR15w G4 Pro LED Light Fixture - EcoTech Marine

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Radion XR15w G4 Pro LED Light Fixture - EcoTech Marine

86% Recommend this to a friend (6 of 7)

SKU: 210304
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Quick Overview

Why does BRS recommend this?

Ecotech has refined their line of Radion LED units over the years to become one of the best LED units on the market today. Now with Micro-fin cooling technology and HEI Optics increasing the color blending capabilities while also increasing the overall spread. With unmatched control through the ReefLink controller and EcoSmart Live programming, a LED unit can’t get much easier than the G4 series of Radion LED Lights.

  • More Color

  • More Cooling

  • More Coverage

  • More Control

Note: Controllable with either an Ecotech Reeflink controller or a Neptune Apex Controller with a WXM Module


Ask a question

Product Questions

Hi, does the Radion XR15w G4 Pro LED Light Fixture come with a goose neck or a mounting fixture?
Question by: Sunny on Mar 27, 2017 12:44:00 PM
Hey there,
The mounting options for the Radion fixtures are sold separately. Currently they have the RMS tank mounts, light tracks, or hanging kit options available.

Have a great day!
Answer by: Zack (Admin) on Apr 4, 2017 10:10:00 AM
I have a tank 48 in L x 13 in w x 24 in H would two of these XR15 work? I have softies but mainly LPS, I do want to get into SPS
Question by: Robert on Nov 6, 2016 2:08:00 PM
Hey there, great question! I would say that two of these will work just fine on your tank, especially with the lower PAR demand corals like softies and LPS. However, depending on how you place them, you may see some minor shadowing on the edges or the center. :- )
Answer by: Randy (Admin) on Nov 8, 2016 5:08:00 PM

Full Details

Radion G4 Spec Sheet


HEI Optics

Revolutionary HEI Optics (Hemispherical Edge Illumination) are now incorporated in all G4 Radion LED lights. HEI helps deliver better uniformity, spread, and overall color mixing allowing the Radions to come very close simulating  Halide/T5 combos without any added heat or energy usage. The lens geometry of the HEI Optics offers a significant improvement over standard optics and even TIR lenses spreading the light over a greater area, allowing your tank to have a more even spread of light without any major hot spots.


Micro-Fin Cooling

The completely redefined heatsink of the G4 series of Radions now has Micro-Fin cooling creating more surface area allowing for a quicker heat transfer and dispersion allowing for more passive cooling, and less need for active cooling. Along with the heatsink's cooling fins, a computer driven, silent, IP55 cooling fan allows for active cooling over the Micro-Fins letting your light shine brighter and last longer!


EcoSmart Live

The web based interface lets you control all of your Ecotech Marine products through the cloud. Through your smartphone, tablet, or computer you can control the G4 family of Radion lights anywhere you have internet access. The ReefLink Controller creates a fully inclusive device management system, with the use of the Vortech propeller pumps, Vectra return pumps, and Radion lighting, create an authentic ecosystem that you can control right from your fingertips.



  • Maximum Spread - 24" x 24"
  • Recommended Spread - 18" x 18"

Multiple modules can be used and are recommended to cover larger tanks



  • Dimensions - 7" L x 7" W x 1.5" H
  • Cable Length - 13 Feet
  • Power Input - 100-240VAC 2.5A 50/60Hz
  • Variable Usage (MAX) - 95w


Number of LED's

4x Cool White

4x Deep Blue

4x Blue

2x Green

2x Photo Red

4x UV

2x Violet

1x Warm White


What's Included?

1x XR15 Pro G4 Radion LED Fixture

1x Power Supply

1x Power Adapter Cable

4x Hanging eyelets

1x USB micro adapter cable

1x Lens cleaning cloth

1x Owners Manual



Ecotech offers multiple types of mounting solutions for the G4 family of Radion LED lights. From full tank track systems letting you use multiple G4 Radion lights, to single light RMS mounting arms and hanging kits.

Radion Hanging Kit - Mount a single Radion light quickly and easily. Radion Hanging kits have quick lock fasteners that let you adjust the height making it a great choice for frag systems, or acclimation systems.

RMS Mounting Arm - Mount your single Radion through a robust tank mounting system. The RMS Arm is by far the quickest and least obtrusive option that doesn't require drilling any holes in your walls or ceilings.

RMS Track System - The 3 piece system lets you mount multiple Radion lights in a single track that lets you slide them back and forth to create the best coverage for your tank. The track system is perfect for larger tanks letting you use either a hanging kit to suspend the track system or the RMS Arm Kit for a tank mounting option.


Note: Reeflink Controller required for use with EcoSmart Live. Also controllable through the Neptune Apex WXM Module.



7 Items

  • Good light By B-Rock on 1/30/2017

    I recently purchased all ecotech pumps so I switched over to the radion from AI so I could use the reeflink and get them all working together. Other than the setup process (all on the reeflink side) the light preforms great. my only criticism is the lights cycle down and back up when you set a new schedule which my fish hate. But that may again be a reef link issue.
  • Super Happy with Light By sayitfast on 1/28/2017

    The light is great... very easy to setup... I do have the reeflink and its drop dead easy. I have the light on my frag tank and using the Coral Grow template is awesome and takes away much of the guess work. I like it!
  • “Awesome” By Robert on 1/24/2017

    With the reef link very simple to set up complete coverage everywhere! Just a amazing unit, worth every penny :)
  • Great lights for my 90 mixed By Doc E on 12/27/2016

    Love these lights just keep in mind that you must research and research to learn how to program for best results
  • Great light By Tyler on 12/11/2016

    This is the first radion I have ever owned but so far I'm very impressed by it. The setup of the light was very easy. I don't have the reef link but the light has held its program the whole month I've had it. I used one of the default light setups they have available and used the acclimation mode on it to get my corals used to this bright light. I have never seen my corals open up so much since after using this light. I will be buying my second one here soon in the upcoming weeks
  • At first it was great but I am not impressed By Nathan on 11/14/2016

    With the larger spread and better cooling I was impressed with this light, until it would get stuck in different modes and spectrums. I have a G3 that I love and have never had any problems with. My 3 week old G4 is junk! During a programmed daily cycle the light stops at one point and does not continue the cycle.
  • Nice light By Eric on 9/23/2016

    Setting up a 4'x2' LPS/softie (lower light) frag tank and plan on using 2qty XR15 Gen4. Got the first one in to test with the seneye par meter before committing to the 2nd.

    Using the light program/spectrum I plan to run at 100% (overall the light is running about 67% of total of all channels)- I measured 115par directly below the light (26" to light) and 80par in the very corner of the 2x2 area that this single light will cover. Very even spread at this distance to the light, lowering the light increased the par directly under the light, but lowers the par at the outer edges. My goal was about 50-100par, so I can actually run at less than full power on the spectrum I want. I am very pleased with this light.