Amplify IV

The infrared you trust with the heat you crave

Full-spectrum infrared wavelengths
Experience near-, mid-, and far-infrared, plus intense heat — designed to optimize recovery, detoxification, and physical resilience.
Intense heat, faster warm up
Additional full-spectrum heaters deliver intense, consistent temperatures, so you can receive maximum physical benefits at a higher heat, in less time.
Powerful, safe, industry-leading technology
Our patented SoloCarbon® heaters are engineered for maximum far-infrared density with ultra-low EMF — trusted by over 200 wellness experts for safe, effective sessions.
Integrated chromotherapy lighting
Recessed chromotherapy lights provide soothing color therapy to support mood and relaxation.

Amplify IV product specs

Each of our saunas is crafted with premium, sustainably sourced eucalyptus wood. Variations in tone, grain, and color are natural hallmarks of this exquisite material. These natural differences are part of the wood's character and beauty, making each sauna uniquely its own.

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Consult with a Sauna Consultant to get clear answers, personalised guidance, and help finding the right sauna for your goals, space, and budget.

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Industry-leading infrared saunas

Setting the standard in light science
With 50 owned and pending patents, and with saunas endorsed by over 200 scientists, doctors and longevity experts, Sunlighten is a trusted brand across the globe.
Clinically informed, expert approved
Sunlighten’s infrared light therapy is grounded in published research and expert perspectives, so you can choose with confidence.
Scientifically-verified, safe and clean
Our saunas are independently tested and third-party verified to emit less than 1 milligauss—well below the 10mG industry standard for “ultra-low” EMF exposure.
Purposefully designed to elevate your space
Built from quality materials and patented technology, our saunas complement luxury interiors while offering the depth of an elite wellness tool.

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Why experts trust Sunlighten

Dr. Mark Hyman, functional medicine doctor, bestselling author, and longevity expert, has trusted Sunlighten infrared saunas for over 20 years. Learn why he claims Sunlighten has the only saunas that deliver truly transformative results.

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Experience infrared from the global leaders in light science

Sunlighten is the whole-body longevity tool trusted by over 200 wellness experts and thousands of longevity optimizers, biohackers and health enthusiasts.

Backed by science for detox, longevity, heart health and more
Proven, near-perfect emissivity that delivers 95-99% of therapeutic infrared wavelengths
The only infrared sauna with patented SoloCarbon® technology
Industry pioneers behind 50 patents, with more to come

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Hear from real Sunlighten customers

Newsworthy Recognition

As pioneers in light science, we are committed to setting the highest standards of quality. Our innovative approach to wellness empowers people to feel their best and enjoy more of what they love. This dedication to excellence has earned us noteworthy recognition, which we are excited to share with you.