Sony XS-L156P5

15" · 4 Ω · 450 W · 90.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	4 Ω
Fs	25 Hz
Qts	0.622
Qes	0.69
Qms	6.35
Vas	109.9 L
Sd	784.3 cm²
Xmax	5.5 mm
Re	3 Ω
Bl	14.7 T·m
Mms	318.1 g
Pe	450 W
Sensitivity	90.2 dB

Alignment hint

EBP	36 · sealed
Sealed Vb (Qtc ≈ 0.71)	≈ 375.9 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
Sony XS-L154P5B	25.6 +0.6	0.607 -0.02	132.4 +22.5	5.6 +0.1	90.4 +0.2	close		+
JBL GT5-15	27.3 +2.3	0.671 +0.05	106.5 -3.4	6.3 +0.8	90 -0.2	close	300 W vs 450 W: lower power handling	+
Monacor SONIC 15 MK2	22 -3	0.577 -0.05	119 +9.1	6.3 +0.8	88.2 -2	close	350 W vs 450 W: lower power handling	+
MTX Audio T615-44	26.2 +1.2	0.498 -0.12	113 +3.1	5.6 +0.1	88.8 -1.4	close	8 Ω vs 4 Ω: amp load changes · 250 W vs 450 W: lower power handling	+
JBL P1520	25.4 +0.4	0.502 -0.12	118.9 +9	8.1 +2.6	90.8 +0.6	usable		+
JBL P1520e	25.4 +0.4	0.502 -0.12	118.9 +9	8.1 +2.6	90.8 +0.6	usable		+
Soundstream R1-15	23.7 -1.3	0.62 =	136.6 +26.7	17.2 +11.7	87.2 -3	usable	8 Ω vs 4 Ω: amp load changes	+
Dayton Audio UMII15-22	29 +4	0.701 +0.08	96 -13.9	9.3 +3.8	88.5 -1.7	usable	8 Ω vs 4 Ω: amp load changes	+
Rockford Fosgate T0D415	26.2 +1.2	0.521 -0.1	94.4 -15.5	9.7 +4.2	88 -2.2	usable	8 Ω vs 4 Ω: amp load changes	+
Stromberg-Carlson RF 484 vp	31.6 +6.6	0.593 -0.03	108 -1.9	4 -1.5	88.6 -1.6	usable	8 Ω vs 4 Ω: amp load changes · 150 W vs 450 W: lower power handling · Xmax 4 mm < 5.5 mm: lower excursion-limited SPL	+

Compare the closest 3 against the XS-L156P5 →

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.