Precision Light Engineering Inspired by Dr. Tiina Karu. Built for Elite Results. When performance demands precision, customization becomes a competitive advantage. The Soleil Well Custom Spectrum Panel was engineered for those who understand that not all light is created equal—and that subtle wavelength shifts can create profound biological outcomes. Developed with wavelength architecture inspired by the pioneering research of Dr. Tiina Karu, one of the world’s leading authorities on mitochondrial photobiomodulation, this panel delivers a scientifically tuned spectrum designed to target chromophores with exceptional specificity. The result: enhanced mitochondrial signaling, superior ATP production, and deeper therapeutic effects within muscle, nerve, brain, and connective tissues. Delivering the same size, irradiance power, and build quality as the Soleil Well Large Panel, the Custom Spectrum model introduces a differentiated light signature, optimized for users who want advanced outcomes beyond traditional consumer red light systems. This tailored spectrum influences: Cytochrome c oxidase activation Nitric oxide photodissociation ATP generation efficiency Oxidative stress modulation Cellular signaling cascades (retrograde signaling) The result is a deeper therapeutic effect with faster and more measurable results. Who It’s Made For ✔ Professional athletes & recovery teams✔ Bio-optimizers & performance scientists✔ Medical & neurological rehabilitation clinics✔ Users seeking the absolute highest therapeutic precision 1800W 352 Dual Chip LED Very Low EMF No Flicker 3rd Party Tested Individually tested and verified in our US office prior to shipping FDA Registered 28L x 9W x 3