Chamber Comparison
Macy-Pan MC4000vsOxygen Ark 701
Macy-Pan
MC4000
1.3
ATA
$12K
Starting
1yr
Warranty
Oxygen Ark
701
1.4
ATA
$6K
Starting
1yr
Warranty
The Bottom Line
The Macy-Pan MC4000 wins on clinical credibility and weight, while the Oxygen Ark 701 takes the edge in max pressure and price. If clinical credibility is your priority, the Macy-Pan MC4000 is the stronger pick.
Key Differences
Macy-Pan
1.3 ATA
Oxygen Ark
1.4 ATA
Higher pressure enables more clinical protocols. The Oxygen Ark 701 reaches 1.4 ATA, which covers most wellness applications.
Macy-Pan
$12,400
Oxygen Ark
$6,000 - $9,000 (estimated)
A significant price gap of ~52%. Consider whether the higher-priced unit's additional features justify the investment for your use case.
Macy-Pan
4/10
Oxygen Ark
2/10
This score reflects published studies, certifications, and clinical adoption. Higher scores indicate stronger evidence backing the manufacturer's claims.
Macy-Pan
48.5 lbs
Oxygen Ark
353 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 | Macy-Pan MC4000 | Oxygen Ark 701 |
|---|---|---|
| Chamber Type | Soft-Shell | Soft-Shell |
| Performance Tier | Advanced Wellness | Advanced Wellness |
| Max Pressure | 1.3 ATA | 1.4 ATA★ |
| Oxygen Delivery | ambient-air | ambient-air |
| O₂ Concentration | 21% (ambient); optional concentrator | 21% (ambient) |
| Capacity | 1-person + wheelchair | 1-person (wheelchair accessible) |
| Weight | 48.5 lbs★ | 353 lbs |
| Interior Dimensions | Wheelchair-accessible entry | — |
| Portability | fixed-installation | semi-portable |
| FDA Cleared | No | No |
| CE Marked | Yes | Yes |
| Made In | China | China |
| Price | $12,400 | $6,000 - $9,000 (estimated)★ |
| Warranty | 1 year | 1 year |
| Clinical Score | 4/10★ | 2/10 |
| Brand Established | 2007 | — |
| Climate Control | No | No |
| Communication System | No | No |
| Emergency Features | Pressure relief valve, wide entry for wheelchair access | — |
Macy-Pan MC4000 — Standout Features
Oxygen Ark 701 — Standout Features
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