FINSAUNA Radia IR 400U sauna, front view

Radia IR 400U

$8,290.00

A four-person Radia infrared sauna with a U-shaped bench, so everyone faces in. Canadian Hemlock, tinted glass front, RGB lighting, and UL Safety-Listed. FINSAUNA rates it to reach 170°F in under an hour.

A Sauna for the Whole Group

The Radia IR 400U seats four on a U-shaped bench, so the group faces each other instead of sitting in a row. FINSAUNA rates it to reach 170°F in under an hour.

UL-Listed for Home Use

FINSAUNA lists Radia-Series infrared saunas as UL Safety-Listed, meaning the cabin has been tested and certified to UL safety standards.

Canadian Hemlock and Tinted Glass

Canadian Hemlock interior and exterior, with an expansive 6mm tinted tempered glass front for heat retention and privacy.

Light and Sound

Spectrum LED RGB accent lighting and a color ceiling light set the mood. An LCD touchscreen handles temperature and time, with Bluetooth audio built in.

Documents

Questions about pricing, delivery, or installation? Talk with a Royal Spa product specialist.

Additional information

Weight 488 lbs
Seating

4
Heat Type

Infrared
Placement

Indoor
Exterior Dimensions

70.9" W x 45.5" D x 74.8" H
Interior Dimensions

66.5" W x 41.2" D x 70" H
Wood

Canadian Hemlock interior and exterior
Glass

6mm tinted tempered glass, expansive glass front
Heater

Infrared heaters (included)
Controls

Built-in LCD touchscreen
Audio

Bluetooth audio
Lighting

Spectrum LED RGB accent lighting and color ceiling light
Safety Listing

UL Safety-Listed (per FINSAUNA)
Warranty

2-year residential limited warranty (FINSAUNA)

*Royal Spa products are designed to promote relaxation and general wellness and are not medical devices. They are not intended to diagnose, treat, cure, or prevent any disease or medical condition. Always consult a qualified healthcare provider before beginning any new wellness, hydrotherapy, or cold/heat exposure routine.