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Wooden Sunray sauna HL400D3 with a black roof on a white background

SunRay Cayenne HL400D - 4-Person Outdoor Infrared Sauna with 8 Ceramic Heaters

by SunRay Saunas
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$6,435.00
$3,990.00 + Free Shipping

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Create a Dedicated Outdoor Wellness Retreat with the SunRay Cayenne 4-Person Outdoor Infrared Sauna

The SunRay Cayenne HL400D3 Outdoor Infrared Sauna provides a comfortable and weather-protected space for relaxation, recovery, and daily wellness. Designed for outdoor installations, it combines powerful infrared heating, durable construction, and modern comfort features to help you enjoy sauna sessions year-round.

The SunRay Cayenne is a 4-person outdoor infrared sauna built from natural Canadian Hemlock and protected by a sealed weatherproof cabin and durable metal composite roof. Featuring 10 infrared heaters, Bluetooth audio, ozone sterilization, and spacious bench seating, it delivers a premium outdoor sauna experience for families, couples, and wellness enthusiasts.

Wooden sauna with dimensions labeled on a white background

SunRay Cayenne HL400D - 4-Person Outdoor Infrared Sauna Includes:

  • SunRay Cayenne Sauna: 4-person outdoor infrared sauna cabin
  • Infrared Heating System: 10 integrated infrared heaters
  • Metal Composite Roof: Outdoor-rated roof assembly
  • Bluetooth Speaker System: Built-in audio system
  • Exterior Control Panel: Digital temperature and timer controls
  • Ozone Sterilization System: Air purification technology
  • Interior Lighting: Recessed lighting package
  • Cup Holders: Integrated beverage holders
  • Owner's Manual: Assembly and operating instructions

SunRay Cayenne HL400D - 4-Person Outdoor Infrared Sauna Features

  • Outdoor-Rated Construction: Sealed weatherproof cabin and metal composite roof designed for outdoor installation.
  • 10 Powerful Infrared Heaters: Delivers consistent infrared heat with temperatures reaching up to 140°F.
  • Spacious 4-Person Capacity: Wide bench seating accommodates family and group sauna sessions.
  • Natural Canadian Hemlock: Durable wood construction with a warm, attractive appearance.
  • Metal Composite Roof: Helps protect the sauna from outdoor elements while enhancing longevity.
  • Exterior Control Panel: Conveniently adjust temperature and session settings before entering.
  • Bluetooth Speaker System: Stream music, podcasts, or guided wellness sessions.
  • Ozone Sterilization System: Helps maintain a fresher sauna environment.
  • Recessed Interior Lighting: Creates a comfortable and relaxing atmosphere.
  • Easy Assembly Design: Engineered for straightforward installation.

Infrared Sauna Benefits

  • Supports muscle relaxation after exercise
  • Encourages circulation and overall wellness
  • Helps promote relaxation and stress relief
  • Provides a comfortable environment for recovery routines
  • Creates a dedicated space for daily wellness practices

Installation Considerations

  • Requires a level and stable outdoor surface
  • Weather cover should remain installed when sauna is not in use
  • Dedicated electrical circuit recommended
  • Allow adequate space for assembly and ventilation
  • Two adults recommended for assembly
  • Standard Phillips-head screwdriver required

SunRay Cayenne HL400D - 4-Person Outdoor Infrared Sauna Specs

  • Model: HL400D Cayenne
  • Capacity: 4 Persons
  • Sauna Type: Outdoor Infrared Sauna
  • Wood Type: Natural Canadian Hemlock
  • Heaters: 10 Infrared Heaters
  • Maximum Temperature: 140°F
  • Exterior Dimensions: 79" W x 52" D x 87" H
  • Roof Dimensions: 89" W x 67" D x 87" H
  • Interior Dimensions: 65" W x 48" D x 68" H
  • Product Weight: 552 lbs
  • Control System: Exterior Digital Control Panel
  • Audio System: Bluetooth Speakers
  • Lighting: Recessed Interior Lighting
  • Air Purification: Ozone Sterilization System
  • Electrical Specifications: 220V / 30 Amp / 2400 Watt
  • Certification: ETL and CSA Certified

SunRay Saunas Warranty

  • Coverage: 7-Year Manufacturer Warranty
  • Materials: Covered against defects in materials
  • Workmanship: Covered against defects in workmanship

SunRay Cayenne HL400D - 4-Person Outdoor Infrared Sauna Resources

Warranty Page

Owners Manual 

Frequently Asked Questions

  • Yes, free shipping on all orders. Larger items ship via freight to your curb. Inside delivery and installation available for an additional fee, call/text (646) 657-8856 or chat with us.
  • Most equipment requires basic assembly, instructions and hardware included. Professional installation available for an additional fee. For a quote, call/text (646) 657-8856 with your zip code, room location, and stair count.
  • 30-day returns on all equipment in unopened, original packaging. Restocking fees may apply. Contact us before returning: (646) 657-8856 or email - we're here to help!
  • All items are insured during shipping. If your equipment arrives damaged, text photos or call us immediately at (646) 657-8856. We'll arrange a replacement or repair at no cost.
  • All equipment includes manufacturer warranty. Check product specifications for details, or contact us at (646) 657-8856.
  • Yes, flexible payment plans available. Apply at checkout to see your options.
  • Yes, many products are HSA/FSA eligible with a letter of medical necessity from your healthcare provider. Select Trumed to generate one at checkout.

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