Kahuna Kappa is one of the most luxurious, top-quality, stylish, and efficient massage chairs in the industry. Kappa belongs to the HM range of Kahuna massage chairs which is the elitist series of massage chairs of the company. Kappa 4D massage chair has many extraordinary features that would give the other premium massage brands a run for their money. Released in 2019, more than 10,000 units have been sold of this model. Along with the normal public, many celebrities also use Kappa 4D massage chairs for their daily massage sessions. Celebrities like Neil Patrick Harris, Martha Stewart, Viola Davis, Laurence Fishburne, Christopher McDonald, and many others have gone vocal about how happy they are with Kahuna Kappa massage chairs in their place.