Rockford Fosgate P110S4

10" · 4 Ω · 150 W · 89.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	4 Ω
Fs	30 Hz
Qts	0.525
Qes	0.56
Qms	8.33
Vas	44.4 L
Sd	360 cm²
Xmax	6.4 mm
Re	3.3 Ω
Bl	11.3 T·m
Mms	115.2 g
Pe	150 W
Sensitivity	89.1 dB

Alignment hint

EBP	54 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 54.5 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

Driver	Fs (Hz)	Qts	Vas (L)	Xmax (mm)	Sens (dB)	Fit	Notes	Compare
Rockford Fosgate P110S8	33 +3	0.551 +0.03	44.4 =	6.2 -0.2	87.1 -2	close	8 Ω vs 4 Ω: amp load changes · Xmax 6.2 mm < 6.4 mm: lower excursion-limited SPL	+
Boston Acoustics G1104	29 -1	0.534 +0.01	39 -5.4	7.4 +1	87.1 -2	close	8 Ω vs 4 Ω: amp load changes	+
JL Audio 10W7AE-3	30.6 +0.6	0.537 +0.01	36.1 -8.3	12 +5.6	89.1 =	close		+
Focal AUDITOR RSB-250	29 -1	0.594 +0.07	42 -2.4	9.5 +3.1	90.7 +1.6	close	2 Ω vs 4 Ω: amp load changes	+
Kenwood KFC-W2502	39.8 +9.8	0.514 -0.01	44.9 +0.5	8.4 +2	89 -0.1	close		+
Rockford Fosgate P1S4-10	30 =	0.52 -0.01	40 -4.4	9 +2.6	84.2 -4.9	close		+
Rockford Fosgate P1S2-10	30 =	0.52 -0.01	39.6 -4.8	9 +2.6	84 -5.1	close	2 Ω vs 4 Ω: amp load changes	+
Ground Zero GZIW 250X	30.1 +0.1	0.44 -0.09	43.8 -0.6	7.5 +1.1	85.9 -3.2	close		+
MTX Audio RT10-04	32 +2	0.49 -0.04	32.6 -11.8	6.7 +0.3	89.1 =	close		+
Alpine SWE-1044E	34 +4	0.497 -0.03	49 +4.6	8.5 +2.1	86.9 -2.2	close		+

Compare the closest 3 against the P110S4 →

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.