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Oxygen AIR2 380

15" · 4 Ω · 400 W · 91.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size15"
Impedance4 Ω
Fs22.7 Hz
Qts0.543
Qes0.569
Qms12.12
Vas202.2 L
Sd829 cm²
Xmax11.5 mm
Re3.6 Ω
Bl14.6 T·m
Mms235.3 g
Pe400 W
Sensitivity91.6 dB

Alignment hint

EBP40 · sealed
Sealed Vb (Qtc ≈ 0.71)≈ 290.6 L

EBP < 50: favours a sealed (closed) alignment.

Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.

Substitute candidates

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
Dayton Audio IB385-821.5 -1.20.588 +0.04248.9 +46.712.4 +0.989.8 -1.8close8 Ω vs 4 Ω: amp load changes+
Rockford Fosgate P1S2-1523 +0.30.55 +0.01191.5 -10.79 -2.587.4 -4.2close2 Ω vs 4 Ω: amp load changes · 250 W vs 400 W: lower power handling · Xmax 9 mm < 11.5 mm: lower excursion-limited SPL+
Rockford Fosgate P1S4-1523 +0.30.55 +0.01191.5 -10.79 -2.587.3 -4.3usable250 W vs 400 W: lower power handling · Xmax 9 mm < 11.5 mm: lower excursion-limited SPL+
Hertz Audio ES38024 +1.30.52 -0.02220 +17.89 -2.593.7 +2.1usableXmax 9 mm < 11.5 mm: lower excursion-limited SPL+
GRS 15SSW-4HE20.7 -20.487 -0.06196.6 -5.69.5 -289.8 -1.8usable8 Ω vs 4 Ω: amp load changes · 300 W vs 400 W: lower power handling · Xmax 9.5 mm < 11.5 mm: lower excursion-limited SPL+
Dayton Audio TIT400C24.2 +1.50.483 -0.06154.3 -47.913.3 +1.891.5 -0.1usable+
MTX Audio RT15-0420 -2.70.479 -0.06223 +20.810.3 -1.290.8 -0.8usable300 W vs 400 W: lower power handling · Xmax 10.3 mm < 11.5 mm: lower excursion-limited SPL+
Dayton Audio DCS380-422.9 +0.20.504 -0.04233.9 +31.78.4 -3.192.9 +1.3usable250 W vs 400 W: lower power handling · Xmax 8.4 mm < 11.5 mm: lower excursion-limited SPL+
Rockford Fosgate P3D4-1522.4 -0.30.566 +0.02155.8 -46.411 -0.587.3 -4.3usable8 Ω vs 4 Ω: amp load changes · Xmax 11 mm < 11.5 mm: lower excursion-limited SPL+
Dayton Audio RSS390HF-4 v201519.5 -3.20.429 -0.11212 +9.812 +0.591.2 -0.4usable+

Compare the closest 3 against the AIR2 380 →

Ranked on parameter similarity only (Qts, Fs, Vas, Xmax, sensitivity). Same nominal size required. A hint, not a simulation, model the swap before cutting or buying.

Used in enclosures (0)

No enclosure in the catalog uses this driver yet.