Faital PRO 15FH520-4

15" · 4 Ω · 600 W · 100.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	4 Ω
Fs	38 Hz
Qts	0.337
Qes	0.35
Qms	9
Vas	156.6 L
Sd	813 cm²
Xmax	7.8 mm
Re	2.7 Ω
Bl	13.8 T·m
Mms	103.8 g
Pe	600 W
Sensitivity	100.6 dB

Alignment hint

EBP	109 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 46 L

EBP > 100: favours a ported (bass-reflex) alignment.

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

Substitute candidates

Driver	Fs (Hz)	Qts	Vas (L)	Xmax (mm)	Sens (dB)	Fit	Notes	Compare
Faital PRO 15FH520-4 v2021	38 =	0.337 =	146.2 -10.4	7.4 -0.4	100.3 -0.3	close	Xmax 7.4 mm < 7.8 mm: lower excursion-limited SPL	+
Oberton 15MB500	41.5 +3.5	0.339 =	161.54 +4.94	7.75 -0.05	100 -0.6	close	8 Ω vs 4 Ω: amp load changes · Xmax 7.75 mm < 7.8 mm: lower excursion-limited SPL	+
PD PD 15BR40	38.7 +0.7	0.34 =	158.3 +1.7	7.9 +0.1	98.1 -2.5	close	8 Ω vs 4 Ω: amp load changes	+
Precision Devices PD 15BR40	38.7 +0.7	0.34 =	158.3 +1.7	7.9 +0.1	98.1 -2.5	close	8 Ω vs 4 Ω: amp load changes	+
Faital PRO 15FH520	38 =	0.34 =	153.2 -3.4	9.15 +1.35	97 -3.6	close		+
P.Audio S15-100LF	38 =	0.35 +0.01	169.1 +12.5	7.8 =	98 -2.6	close	8 Ω vs 4 Ω: amp load changes	+
Eminence KAPPA PRO 15 LFC	37 -1	0.319 -0.02	183.2 +26.6	7.9 +0.1	100.3 -0.3	close		+
BMS 15S330	39 +1	0.32 -0.02	152 -4.6	8 +0.2	98 -2.6	close	8 Ω vs 4 Ω: amp load changes	+
JBL 1500 GTI	35 -3	0.339 =	189 +32.4	8.2 +0.4	100.6 =	close		+
Faital PRO 15FX560	38 =	0.3 -0.04	159 +2.4	9.42 +1.62	99 -1.6	close	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the 15FH520-4 →

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.