Stage 2 DUO

Ideal for small studios or serious hobbyists. Runs on two outlets, supports up to 4 concentrators, and features smart oxygen management with dual banks for efficiency and longer equipment life.

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Specifications

Oxygen Concentrators supported	4
Maximum Oxygen Production	30 LPM
Noise Level (dB)	60 dB
Tank Capacity (US gal)	4.00 gal
Tank Capacity (liters)	15.14 l
Maximum Pressure	125 psi
CFM @ 90 PSI	2.4 CFM
CFM @ 40 PSI	3.3 CFM
Maximum Air Flow Capacity (ft³/min)	189.29 ft³/min
Maximum Air Flow Capacity (m³/min)	5.36 m³/min
Horsepower	1 HP
Pump Lubrication	Oil Free
Cord Gauge (ga)	18ga
Weight	65.5 lbs (29.7 kg)
Dimensions	23 x 21 x 18″ (58 x 52 x 45 cm)

Model Comparison

Features	SOLO	DUO	PRO
60-80 LPM Compressor	✓	✓	✓
Adjustable Pre-Vent	✓	✓	✓
Re-Active Technology		✓	✓
Pre-Vent Bypass			✓
Controlled 110v Outlets (Oxy. Cons)	1	4	8
Oxygen Production Maximum	10 LPM	30 LPM	60 LPM
# of Req. 15A Circuits	1	2	3

Dual Power, Smarter Oxygen Management

The Stage 2 Duo is the perfect balance of efficiency and affordability, supporting up to 4 oxygen concentrators while running on two standard 15A circuits. Designed for small studios and serious hobbyists, this system provides a steady, high-pressure oxygen supply without the need for costly tank refills.

With Re-Activate technology, up to 4 oxygen concentrators are intelligently managed across two banks, minimizing unnecessary cycling and extending equipment lifespan. Bank A handles the primary workload, while Bank B engages only during high-demand periods—maximizing efficiency and ensuring long-term reliability.

The adjustable Pre-vent feature further enhances performance by ensuring only high-purity oxygen is stored.

For artists who need more oxygen than a single concentrator can provide, but don’t require a large-scale system, the Stage 2 Duo is the smart, scalable solution.

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