Finnmark FD-5 Trinity XL 4-Person Home Sauna – Infrared, Steam & Red Light Therapy Combo With Two-Tier Bench [FD-KN005] (SAK37258)

Get the most complete home sauna experience available with the Finnmark FD-5 Trinity XL 4-Person Sauna. Combining UL-listed Spectrum Plus™ full-spectrum infrared heaters, a 4.5kW traditional steam heater, and Spectrum Red Light™ Therapy — all in a spacious two-tier bench cabin with 8mm tempered glass, antimicrobial Western Canadian Cedar, Bluetooth audio, and an LCD touchscreen — this is a complete home wellness system, not just a sauna.

• UL-listed Spectrum Plus™ full-spectrum infrared heaters — deep-penetrating infrared heat for muscle recovery, circulation support, and cellular detoxification.
• 4.5kW traditional steam heater — authentic Finnish sauna experience with intense steam heat for detoxification and deep relaxation.
• Spectrum Red Light™ Therapy — medical-grade red light therapy stimulates collagen production, improves skin health, reduces inflammation, and speeds up muscle recovery.
• Extra-large two-tier bench — spacious 4-person seating with upper and lower bench positions to customize your heat level and comfort.
• 8mm tempered glass — high thermal retention glass maximizes comfort and heating efficiency throughout every session.
• Antimicrobial Western Canadian Cedar interior — naturally resists mold and bacteria for a hygienic, long-lasting sauna environment.
• Thermal Plus™ Aspen exterior — rot-proof, decay-resistant exterior designed for long-term durability and elegant aesthetics.
• Built-in LCD touchscreen controller — intuitive controls for temperature, timer, and therapy mode selection.
• Bluetooth audio with two 6" HiFi marine-grade speakers — premium audio quality for music, podcasts, or guided meditation during sessions.
• Free USA shipping — packed and shipped within 1–3 business days, delivered in 5–10 business days.

Who it's for: Homeowners who want the ultimate 3-in-1 sauna — combining infrared, steam, and red light therapy in a spacious 4-person XL cabin with premium audio and smart controls for a true daily wellness sanctuary.

Frequently Asked Questions

What are the three therapy modes?
The Trinity XL combines Spectrum Plus™ full-spectrum infrared (deep tissue penetration), traditional 4.5kW steam (authentic Finnish sauna experience), and Spectrum Red Light™ Therapy (skin health, collagen production, and inflammation reduction).

What is the two-tier bench for?
The extra-large two-tier bench allows up to 4 people to sit at different heights, enabling you to customize your proximity to the heat source for varying intensity levels during sessions.

Does it have audio?
Yes — built-in Bluetooth with two 6" HiFi marine-grade speakers for premium audio quality in a high-humidity environment.

Where can I find the manual and specs?
Brochure  |  Spec Sheet  |  User Manual