Sony XS-L151P5

15" · 4 Ω · 400 W · 88.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	4 Ω
Fs	22.2 Hz
Qts	0.46
Qes	0.5
Qms	5.65
Vas	195.9 L
Sd	796 cm²
Xmax	7 mm
Re	3.15 Ω
Bl	14.4 T·m
Mms	235.8 g
Pe	400 W
Sensitivity	88.2 dB

Alignment hint

EBP	44 · sealed
Sealed Vb (Qtc ≈ 0.71)	≈ 143.7 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

Driver	Fs (Hz)	Qts	Vas (L)	Xmax (mm)	Sens (dB)	Fit	Notes	Compare
Powerbass M-1504	22 -0.2	0.442 -0.02	181.7 -14.2	11 +4	87.7 -0.5	close		+
GRS 15SSW-4HE	20.7 -1.5	0.487 +0.03	196.6 +0.7	9.5 +2.5	89.8 +1.6	close	8 Ω vs 4 Ω: amp load changes · 300 W vs 400 W: lower power handling	+
Hertz Audio ES380.1	24.2 +2	0.52 +0.06	183 -12.9	9 +2	88.2 =	close		+
Rockford Fosgate P1S2-15	23 +0.8	0.55 +0.09	191.5 -4.4	9 +2	87.4 -0.8	close	2 Ω vs 4 Ω: amp load changes · 250 W vs 400 W: lower power handling	+
Rockford Fosgate P1S4-15	23 +0.8	0.55 +0.09	191.5 -4.4	9 +2	87.3 -0.9	close	250 W vs 400 W: lower power handling	+
Dayton Audio UM15-22 ULTIMAX DVC	19.5 -2.7	0.474 +0.01	224.3 +28.4	9.5 +2.5	90.2 +2	close		+
MTX Audio RT15-04	20 -2.2	0.479 +0.02	223 +27.1	10.3 +3.3	90.8 +2.6	usable	300 W vs 400 W: lower power handling	+
Oxygen AIR2 380	22.7 +0.5	0.543 +0.08	202.2 +6.3	11.5 +4.5	91.6 +3.4	usable		+
Pyle Audio PLPW15D	29 +6.8	0.459 =	195.7 -0.2	8 +1	92.3 +4.1	usable	8 Ω vs 4 Ω: amp load changes	+
Dayton Audio RSS390HF-4 v2015	19.5 -2.7	0.429 -0.03	212 +16.1	12 +5	91.2 +3	usable		+

Compare the closest 3 against the XS-L151P5 →

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.