Faital PRO 4FE35

4" · 16 Ω · 30 W · 91 dB · datasheet ↗

Thiele-Small parameters

Nominal size	4"
Impedance	16 Ω
Fs	100 Hz
Qts	1.16
Qes	1.67
Qms	3.8
Vas	2.3 L
Sd	51.9 cm²
Xmax	1.83 mm
Re	12.3 Ω
Mms	4.2 g
Pe	30 W
Sensitivity	91 dB

Alignment hint

EBP	60 · flexible
Sealed Vb (Qtc ≈ 0.71)	Qts too high

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

Driver	Fs (Hz)	Qts	Vas (L)	Xmax (mm)	Sens (dB)	Fit	Notes	Compare
Faital PRO 4FE32	100 =	0.81 -0.35	2.4 +0.1	1.83 =	91 =	usable		+
Faital PRO 4FE35	100 =	0.83 -0.33	2.4 +0.1	2.73 +0.9	91 =	usable	8 Ω vs 16 Ω: amp load changes	+
Faital PRO 4FE35	100 =	0.73 -0.43	2.4 +0.1	1.73 -0.1	91 =	usable	4 Ω vs 16 Ω: amp load changes · Xmax 1.73 mm < 1.83 mm: lower excursion-limited SPL	+
Faital PRO 4FE32	100 =	0.61 -0.55	2.3 =	2.73 +0.9	91 =	usable	8 Ω vs 16 Ω: amp load changes	+
Faital PRO 4FE32	100 =	0.53 -0.63	2.5 +0.2	1.73 -0.1	91 =	usable	4 Ω vs 16 Ω: amp load changes · Xmax 1.73 mm < 1.83 mm: lower excursion-limited SPL	+
Eminence ALPHA 4-8	123 +23	0.75 -0.41	1.94 -0.36	2.6 +0.77	88 -3	usable	8 Ω vs 16 Ω: amp load changes	+
Eminence ALPHA 4-4	120 +20	0.63 -0.53	1.76 -0.54	2.6 +0.77	88 -3	risky	4 Ω vs 16 Ω: amp load changes	+
Sica 4 D 0.8 CS	140 +40	0.92 -0.24	1.2 -1.1	1.3 -0.53	87.5 -3.5	risky	4 Ω vs 16 Ω: amp load changes · Xmax 1.3 mm < 1.83 mm: lower excursion-limited SPL	+
Faital PRO 4FE42	110 +10	0.47 -0.69	1.9 -0.4	2.83 +1	94 +3	risky	8 Ω vs 16 Ω: amp load changes	+
Sica 4 L 1 SL	108.3 +8.3	0.63 -0.53	1.2 -1.1	2.4 +0.57	86.2 -4.8	risky	8 Ω vs 16 Ω: amp load changes	+

Compare the closest 3 against the 4FE35 →

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.