Chamber Comparison
Newtowne C4-27vsSummit to Sea The Dive
Newtowne
C4-27
1.3
ATA
$4K
Starting
2yr
Warranty
Summit to Sea
The Dive
1.3
ATA
$8K
Starting
2yr
Warranty
The Bottom Line
The Newtowne C4-27 has clear advantages in price, clinical credibility, and weight. However, both chambers sit in the Entry Wellness tier, so consider your specific requirements before deciding.
Key Differences
Newtowne
$4,495 - $5,495
Summit to Sea
$8,000 - $12,000
A significant price gap of ~44%. Consider whether the higher-priced unit's additional features justify the investment for your use case.
Newtowne
5/10
Summit to Sea
4/10
This score reflects published studies, certifications, and clinical adoption. Higher scores indicate stronger evidence backing the manufacturer's claims.
Newtowne
75 lbs
Summit to Sea
121 lbs
Weight matters for portability and installation. Lighter chambers are easier to move between rooms or take to a second location.
Who Should Buy Which?
Full Specification Comparison
| Specification | Newtowne C4-27 | Summit to Sea The Dive |
|---|---|---|
| Chamber Type | Soft-Shell | Soft-Shell |
| Performance Tier | Entry Wellness | Entry Wellness |
| Max Pressure | 1.3 ATA | 1.3 ATA |
| Oxygen Delivery | ambient-air | ambient-air |
| O₂ Concentration | 21% (ambient) | 21% (ambient); optional concentrator |
| Capacity | 1-person | 1-person |
| Weight | 75 lbs★ | 121 lbs |
| Interior Dimensions | 27in diameter x 80in length | 33in diameter |
| Portability | portable | portable |
| FDA Cleared | Yes (#K051759) | Yes (#K072757) |
| CE Marked | No | No |
| Made In | United States | United States |
| Price | $4,495 - $5,495★ | $8,000 - $12,000 |
| Warranty | 2 years | 2 years |
| Clinical Score | 5/10★ | 4/10 |
| Brand Established | 2001 | 2007 |
| Climate Control | No | No |
| Communication System | No | No |
| Emergency Features | Dual zipper safety, pressure relief valve, interior/exterior controls | Dual zipper safety system, pressure relief valve |
Newtowne C4-27 — Standout Features
Summit to Sea The Dive — Standout Features
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