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Kessil Spectral Controller X


Item #: YH34372

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Intuitive and Affordable Light Control

Equipped with flawless touch control and a vivid color display, the Spectral Controller X is effortless light control at the touch of your fingertips. Its straightforward approach to light control programming allows for endless customization options without the confusion. The sleek, modern design ensures a beautiful and cohesive setup that won`t disrupt the look of your aquarium.

Smart K-Link Communication

The new K-Link communication method is an upgrade of the easily plug & play 0-10V, allowing users to network multiple A360X, A500X, or APP9X together(up to 32 fixtures per chain) and set individual groups to run their own programs. K-Link is also a two-way communication, meaning the Spectral Controller X can detect the number of lights in the network, the status of the lights, etc.

One Controller, Two Ports - Backward Compatible

Each controller is equipped with one K-Link port and one 0-10V output port. The K-Link port allows users to connect to the new Kessil fixtures (A360X, A500X, and AP9X), while the 0-10V port is for Kessil’s 0-10V light fixtures.

Program Mode

Features two ways of setting a customized light schedule to match individual tank needs.
Maximum of 12 programs can be created

Quick Set: Create unique dawn and dusk effects by altering light intensity and color throughout eight different time points.

Acclimation Mode: Simplify the introduction of new lights to a tank or new corals to an existing setup with acclimation mode. The acclimation timeline can be customized to suit specific needs.

Manual Mode

Manual Mode: Instantly tune color and intensity for on demand light customization.


The Spectral Controller X is compatible with the A360X, the A500X, the AP9X, and all the 0-10V Kessil lights*

Product Information


Equipped with flawless touch control and a vivid color display, the Spectral Controller offers effortless light control at the touch of your fingertips. Its straightforward approach to light control programming allows for endless customization options without the confusion. The sleek, modern design ensures a beautiful and cohesive setup that won`t disrupt the look of your aquarium.

Power to the Kessil Spectral Controller X can be provided in one of two ways. 

  1. Plug the provided K-Link cable male to the K-Link female on the Spectral Controller X. Then plug the other male end of the K-Link cable to the A360X, A500X, or AP9X K-Link female port. Plug the fixture`s power supply and cable to an AC wall outlet. It is that simple! The K-Link Cable will provide both data and power from the light to the Spectral Controller X.  
  2. If you have an older generation Kessil light (Kessil A80, A160, A360, H160), you can still use the Spectral Controller X with a few adaptations. You will need a Micro USB cable (included), as well as the Kessil 90 Degree Link Cable (sold separately). 

What`s in the Box

  • Spectral Controller X (x1)
  • Magnetic Back Plate (x1)
  • Micro USB Cable* (For firmware update or power) (x1)
  • K-Link Cable (10`) (x1)
  • Screws (x2)
  • Nylon Anchor (x2)

Spectral Controller X Compatibility

Saltwater LIghtFreshwater LightHorticulture/Refugium Light
A80 Tuna BlueA80 Tuna Sun H80 Tuna Flora
A160WE Tuna BlueA160WE Tuna SunH160 Tuna Flora
A360WE Tuna BlueA360X Tuna SunH1200 Tuna Flora
A360NE Tuna Blue
A360X Tuna Blue


A500X Tuna Blue

*0-10V Kessil Link Cable and 5V/1A USB Power Adapter not included and are sold separately for non-"X" Kessil lIghts. 

5 Stars


Reviewed on
July 29, 2020

Yes, I would recommend this.

Great Controller for K-Link Lights

Pros: Fantastic features for K-Link A360X lights.

Cons: Compatible with Kessil 0-10V lights but very limited, needs better programming instructions.

I have the A360WE (which is 0-10V) and most of the really nice features will not work. You can program your own schedule for color and intensity but that is about it. I would rather have a hard wired controller than a WiFi app, but that is just my preference, and this one is reasonably priced. It would be nice to have better instructions supplied with the controller, all you get is a quick-start guide. So I ended up searching for a YouTube to get more info, with that and much trial and error I got mine programmed. For the price it is a really good controller, if you have the K-Link A360X it is a fantastic controller.

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Reviewed on
May 17, 2020

Yes, I would recommend this.

Must have for kessil fixtures

Pros: Full control over you fixture

Cons: None

If you wanna get a full control of you light , you need this ...amazing design, you can used in all kessil light exept ap 700, sunrise, sunset ramps... color , intensity, effects like cloudy, storms, moonlight, rainbow... this is the way...
Amazing kessil product

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Reviewed on
May 07, 2020

Yes, I would recommend this.

Kessil Spectral Controller X

Pros: great features and selection easy to work with and learn, customer service was easy to contact for questions

Cons: backward compatible not fully functional

I do love this controller however they say its backward compatible and thats true but the problem is half of the features wont work. if you dont have the A360X or newer models the only thing that works is Color and Intensity, Lightening, Cloud, 1 preset and you can make your own scheduled settings. So when bought the new A360WE and found this out I returned it for the A360X it may be a little better but not worth the hundred bucks however to get the additional features of the controller and the little bit of "benefit" from the newer light that was kinda worth the extra $100 (Maybe) to me so i bit the bullet

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Reviewed on
March 21, 2020

Nice controller

Pros: Works with really good with A360X models

Cons: Not lit Navigation buttons and limitations when using with 0-10V lights

Fist let me tell you this controller works really good with the K-Link lights (A360X Tuna Blue and A360X Tuna Sun) My issues with this controller are first the navigation buttons are not lit so when you try to make adjustments in a dark place or at night you can’t see the buttons I have to use a small flash light to see where the buttons are and make any necessary adjustments I don’t know why kessil took the light away from the navigation buttons the previous controller had the buttons lit when in use. Next Kessil says that this controller is backwards compatible with the non K-Link Models including the H80. I have the A360X Tuna Blue and it’s connected to the controller X and as I said before together both work really well, now when it comes to the H80 not so good and here’s why first you have to go through several steps in order for you to see that you have a 0-10V light connected to the controller X it will be displayed in the 0-10V group .And when you go to the 0-10V group the default light is a Tuna Blue so when I try to program a schedule for the H80 it doesn’t work by itself it is in sync with my A360X Tuna Blue and if I try the tuna sun it won’t turn on at the scheduled time I tried a few different ways with no luck. So far the only thing That I have been do is control my H80 manually to set the color and intensity of it, and to turn it on and off manually which to me it defeats the purpose of having this controller for this particular light (H80) Maybe I’m missing something or doing something wrong I tried to get in contact with Kessil but right now is not possible their offices are closed so for now I’ll give it 2 1/2 stars not 3. Now would I recommend this Controller... if you only have K-Link lights ( A360X Models) Yes go for it but if you plan to use 0-10 V lights for now no I do not recommend it, untill I get in contact with Kessil and see if they can help me figure if I’m doing something wrong.

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