Is the stainless steel liner better than acrylic or plastic?

Yes. The marine-grade stainless steel interior offers superior rapid cooling capabilities, is naturally antibacterial, incredibly easy to clean, and will not crack or fade over time like plastics or cheap acrylics. It perfectly complements our water chillers for rapid temperature drops.

Do you offer factory-direct custom sizing for wholesale orders?

As a leading manufacturer based in Guangdong, China, Soundhon offers robust OEM/ODM services. While the standard S06 oval size is 1350x651x730mm, we can accommodate custom project solutions for hotels, spas, and wellness centers.

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Home > Products > 316 Stainless Steel Cold Plunge Tub > Durable Composite Wood Cold Plunge Tub for Outdoor Recovery – Model S06

316 Stainless Steel Cold Plunge Tub

Durable Composite Wood Cold Plunge Tub for Outdoor Recovery – Model S06

Why Trust Us?

Experience peak athletic recovery with the Soundhon S06 Durable Composite Wood Cold Plunge Tub. Engineered for extreme outdoor use, this premium ice bath features a weather-resistant composite wood exterior and a marine-grade stainless steel interior liner. Perfect for hotels, spas, gyms, and luxury home use. Dimensions: 1600x651x730mm. Eco-friendly, easy to set up, and built to last by China’s leading cold plunge factory.

304/316 stainless steel

Beautiful Composite Wooden

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Mastering Outdoor Recovery:
The 1600mm Composite Series

Designed for professional athletes, luxury spas, and zero-maintenance home outdoor setups. We abandoned traditional cedar that rots and plastics that crack, engineering the ultimate outdoor cold plunge tub. Explore our material engineering philosophy.

1600mm Extended Ergonomic Design

Traditional cold plunges cramp your posture, restricting blood flow and reducing the true efficacy of cold water therapy. As a direct-to-consumer factory, we listened to professional athletes and expanded the S06 model to a massive 1600mm (63 inches) length.

Full-Body Submersion: Comfortably fits taller individuals up to 6’8″, ensuring the vagus nerve (at the back of the neck) is fully stimulated.
Optimized Water Volume: The 1600x651x730mm oval shape maximizes legroom while minimizing dead water space, meaning your Soundhon chiller cools the water significantly faster than in oversized circular stock tanks.
Easy Entry & Exit: At 730mm high, it provides the perfect step-over height for fatigued muscles post-workout.

1600mm Extended Ergonomic Cold Plunge Tub Design

Next-Gen Composite Wood: Defying the Elements

Stop worrying about continuously sanding, staining, or covering natural wood. Our high-density proprietary Composite Wood is forged to withstand scorching UV rays, freezing winter storms, and constant moisture without flinching.

Zero Maintenance Outdoor Use: Will never rot, splinter, warp, or invite termites like traditional pine or cedar tubs. Perfect for 24/7 outdoor placement.
Thermal Retention: The dense composite material acts as a thick first layer of insulation, locking in the icy temperatures generated by your chiller.
Eco-Friendly Beauty: Delivers the luxurious, natural grain aesthetic of premium wood without contributing to deforestation.

Factory Insight: We test our composite materials in extreme weather simulators mimicking both the Arizona sun and Nordic winters. It’s over-engineered for the outdoors.

Composite Wood Features Advantage vs Natural Wood for Ice Baths

Marine-Grade 316 Stainless Steel Liner

The core of the S06 is a flawless, seamless Marine-Grade Stainless Steel interior. This isn’t your average cheap inflatable plastic or thin acrylic that easily cracks under extreme temperature shocks.

100% Antibacterial Surface: Stainless steel naturally repels biofilm and bacteria buildup, making water maintenance and routine cleaning effortless.
Hyper-Conductivity: Steel transfers cold instantly. When paired with a powerful chiller, the water cools up to 30% faster than in insulated plastic tubs.
Ozone & Chlorine Safe: Built to handle advanced sanitation. Safely run Ozone generators or use mild chlorine without degrading the tub walls.

Marine Grade Stainless Steel Interior of Cold Plunge Tub

B2B Wholesale & Custom Project Capability

As the primary Soundhon Manufacturing Factory based in Guangdong, China, we cut out the middleman. We provide unmatched project solutions for commercial entities, distributors, and luxury brands.

OEM & ODM Customization: Need a different color composite? Custom laser-engraved logos on the stainless steel? We manufacture exactly to your brand specs.
Commercial Durability: Rated for high-traffic spas, wellness clinics, and commercial gyms with continuous back-to-back use.
Global Logistics & Supply: Secure export-grade crating and direct worldwide shipping. Buy direct from the source safely.

Factory Direct Supply

Guangdong, China Headquarters

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Comprehensive Technical Specifications

Transparent data direct from the Soundhon manufacturing facility.

Product Name	Oval Shaped Ice Bath Tub (Model: S06 – Extended Edition)
Brand Name / Manufacturer	Soundhon (Guangdong, China)
Exterior Material	High-Density Weather-Resistant Composite Wood + Abachi Accents
Interior Liner Material	Marine-Grade Stainless Steel (304/316 options available for custom)
Dimensions (L x W x H)	1600 mm x 651 mm x 730 mm (Approx. 63.0″ x 25.6″ x 28.7″)
Shape	Ergonomic Oval
Application Scenarios	Ice bath recovery, Hotel wellness centers, Home use, Apartments, Outdoor patios, Commercial Spas
Key Features	Eco-Friendly, Easy-set installation, Deep Soaking capacity, UV Resistant, No-Rot guarantee
Design Style	Modern, Minimalist, Natural Aesthetic
Project Solution Capability	Custom Products, OEM/ODM available for B2B wholesale, Graphic design customization
Packaging Details	Selling Units: Single item. Secure wooden crate packaging for international freight.

Why the S06 Outperforms the Rest

When investing in a cold plunge, material matters. See how our Composite Wood + Stainless Steel design compares to traditional acrylic, inflatable, and standard wooden tubs.

Composite Wood Ice Bath Tub feature comparison to acrylic, inflatable and natural wood tubs

Read the Full Buying Guide

Power Your Plunge: Recommended Chillers

The S06 is a passive tub, but its true potential is unlocked when paired with Soundhon’s industry-leading active water chillers. No more buying bags of ice!

Soundhon Quiet Inverter Water Chiller Our flagship chiller. Ultra-quiet operation perfect for indoor/outdoor home setups. Keeps your S06 tub at a constant crisp temperature. View Chiller Model V Chiller with WiFi & Ozone For the ultimate smart-home gym. Control your ice bath temperature from your phone. Built-in Ozone generator keeps the stainless steel tub sparkling clean. View Chiller Easy-to-Use Home Ice Bath Chiller Plug and play simplicity. If you want a hassle-free setup for your new S06 tub, this is the most user-friendly unit on the market. View Chiller Essential: Chiller Hoses & Connectors Ensure you have the right plumbing. Check our guide and available parts to connect the S06 to any standard chiller unit seamlessly. View Accessories

Mastering Your Cold Water Therapy

Owning a premium tub like the S06 is just the beginning. Explore our factory-direct knowledge base to get the most out of your recovery journey.

🧼 How to Clean Your Tub 🧪 Chemical/Chlorine Guide ⏱️ 24/7 Running Advice 🧠 Science of Cold Therapy

Frequently Asked Questions

Everything you need to know about the S06 Composite Wood Plunge.

Yes, absolutely. The S06 model is specifically designed for outdoor environments. The exterior is crafted from high-density composite wood which resists UV rays, moisture, rotting, and warping, drastically outperforming traditional natural wood. We highly recommend reading our guide: Can my cold plunge really go outdoors?

Yes, the upgraded 1600mm length (1600x651x730mm) is designed specifically to accommodate taller individuals up to 6’8″, allowing for a full-body submersion experience without feeling cramped, which is essential for proper cold water therapy and vagus nerve stimulation.

Stainless steel is the premium standard for cold water therapy. It offers superior thermal conductivity (meaning your water chills faster when connected to a chiller), is naturally antimicrobial, and is incredibly easy to maintain. While we do manufacture high-end inflatables, the S06 stainless interior provides a permanent, luxury spa-like experience.

Yes! As a direct manufacturing factory located in Guangdong, China, Soundhon specializes in Project Solution Capability. Whether you are outfitting a hotel, a commercial gym, or a boutique spa, we can customize materials, sizes, and even laser-engrave your logo. Learn more about sourcing direct from the factory.

The cooling speed depends entirely on the horsepower of the chiller you attach to it. Thanks to the 1600x651x730mm optimized dimensions, the water volume is efficient. Pairing it with a 1HP or 2HP Soundhon chiller will result in rapid temperature drops. Check out our deep dive into the rapid cooling speed of cold plunge chillers.

Why Choose Soundhon?

We are Soundhon, a leading manufacturer committed to excellence ice bath system. We control the core technology, ensuring every product delivers unparalleled performance and reliability.

In-House Heat Exchanger

We manufacture our own core components, including titanium heat exchangers, giving us full control over quality and performance.

Rigorous Quality Control

From raw materials to final assembly and performance testing, every step is meticulously monitored for excellence.

Full Customization (OEM/ODM)

Leverage our factory's capabilities. We offer extensive OEM/ODM services from design to final product.

Globally Certified

Our products meet international standards with CE, FCC, and SAA certifications for worldwide market access.

One-Stop Customization Service

From personal tubs to large-scale commercial projects, we provide complete, tailored solutions to meet your specific requirements.

Acrylic Tubs

Cedar & Wooden Tubs

Stainless Steel Tubs

Commercial Pool Solutions

Get in Touch

Have a question or a project in mind? Fill out the form below, and our team will get back to you within 24 hours.

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Frequently Asked Questions

We offer full OEM/ODM services, including custom branding (logo), color matching, size adjustments, and feature modifications. Our in-house R&D and production of core components like heat exchangers allow for deep customization.

Yes, we support sample orders for you to evaluate our product quality and performance. Please mention your interest in a sample in the contact form, and our sales team will provide you with the details.

We ship globally and can arrange for sea or air freight depending on your timeline and budget. Our logistics team handles all the details to ensure a smooth delivery to your specified port or warehouse.

All our products come with a comprehensive warranty. The specific terms vary by product line, but we stand behind our quality with dedicated support from our service centers, including our point in Los Angeles.

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Your Customisation Needs (Logo,color,size,distributor requirement etc.)

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Yes, our chillers are waterproof and feature a defrosting function, making them suitable for all-weather outdoor use.

Absolutely. We fully support OEM customization, including adding your brand's logo. Please contact us with your specific requirements to get started.

We offer a comprehensive 1-year warranty on all our products. Please refer to our warranty page or contact our support team for detailed information.

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Durable Composite Wood Cold Plunge Tub for Outdoor Recovery – Model S06