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MTX Audio RFL15

15" · 4 Ω · 3500 W · 94.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size15"
Impedance4 Ω
Fs35 Hz
Qts0.414
Qes0.44
Qms7.03
Vas44 L
Sd838 cm²
Xmax11.1 mm
Re2 Ω
Bl21.5 T·m
Mms462.6 g
Pe3500 W
Sensitivity94.3 dB

Alignment hint

EBP80 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 22.9 L

EBP 50-100: works in either a sealed or ported 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
MTX Audio TX81535 =0.508 +0.0944.7 +0.79.6 -1.593.3 -1close2000 W vs 3500 W: lower power handling · Xmax 9.6 mm < 11.1 mm: lower excursion-limited SPL+
Hifonics CX15D234 -10.389 -0.0259 +1510 -1.192.4 -1.9usable8 Ω vs 4 Ω: amp load changes · 2250 W vs 3500 W: lower power handling · Xmax 10 mm < 11.1 mm: lower excursion-limited SPL+
FI Audio Q15 DUAL 232.1 -2.90.419 +0.0175.6 +31.611.3 +0.294.1 -0.2usable1750 W vs 3500 W: lower power handling+
B&C 15BG10036 +10.44 +0.0383 +3910.5 -0.694.5 +0.2usable8 Ω vs 4 Ω: amp load changes · 1000 W vs 3500 W: lower power handling · Xmax 10.5 mm < 11.1 mm: lower excursion-limited SPL+
Ciare 15.00 SW38.2 +3.20.41 =77 +3311.5 +0.491.7 -2.6usable8 Ω vs 4 Ω: amp load changes · 1000 W vs 3500 W: lower power handling+
Soundstream SPLX-15238 +30.422 +0.0165.4 +21.46.8 -4.394.1 -0.2usable1000 W vs 3500 W: lower power handling · Xmax 6.8 mm < 11.1 mm: lower excursion-limited SPL+
Ground Zero GZNW 15XMAX29.5 -5.50.329 -0.0835.7 -8.310.5 -0.692.2 -2.1usableXmax 10.5 mm < 11.1 mm: lower excursion-limited SPL+
Faital PRO 15XL120040 +50.4 -0.0186.9 +42.912.45 +1.3595 +0.7usable8 Ω vs 4 Ω: amp load changes · 1400 W vs 3500 W: lower power handling+
JBL 15SWV3.853.4 +18.40.52 +0.1143.9 -0.111 -0.192.8 -1.5usable1900 W vs 3500 W: lower power handling · Xmax 11 mm < 11.1 mm: lower excursion-limited SPL+
JBL 15WT300041 +60.44 +0.0376.3 +32.310.6 -0.592.5 -1.8usable1500 W vs 3500 W: lower power handling · Xmax 10.6 mm < 11.1 mm: lower excursion-limited SPL+

Compare the closest 3 against the RFL15 →

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.