Soundstream SPLX-152

15" · 4 Ω · 1000 W · 94.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	4 Ω
Fs	38 Hz
Qts	0.422
Qes	0.465
Qms	4.594
Vas	65.4 L
Sd	851 cm²
Xmax	6.8 mm
Re	3.8 Ω
Bl	23 T·m
Mms	272.3 g
Pe	1000 W
Sensitivity	94.1 dB

Alignment hint

EBP	82 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 36.2 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
Ciare 15.00SW	38.2 +0.2	0.415 -0.01	77 +11.6	8.4 +1.6	92.6 -1.5	close	8 Ω vs 4 Ω: amp load changes	+
Dayton Audio PA385S-8 v2018	37.7 -0.3	0.373 -0.05	80.4 +15	7.2 +0.4	93.6 -0.5	close	8 Ω vs 4 Ω: amp load changes	+
Ciare 15.00 SW	38.2 +0.2	0.41 -0.01	77 +11.6	11.5 +4.7	91.7 -2.4	close	8 Ω vs 4 Ω: amp load changes	+
PD PC.15DS	48 +10	0.401 -0.02	61.8 -3.6	6.9 +0.1	94.5 +0.4	close	8 Ω vs 4 Ω: amp load changes	+
Precision Devices PC.15DS	48 +10	0.401 -0.02	61.8 -3.6	6.9 +0.1	94.5 +0.4	close	8 Ω vs 4 Ω: amp load changes	+
FI Audio Q15 DUAL 2	32.1 -5.9	0.419 =	75.6 +10.2	11.3 +4.5	94.1 =	close		+
B&C 15BG100	36 -2	0.44 +0.02	83 +17.6	10.5 +3.7	94.5 +0.4	close	8 Ω vs 4 Ω: amp load changes	+
JBL 15WT3000	41 +3	0.44 +0.02	76.3 +10.9	10.6 +3.8	92.5 -1.6	close		+
B&C 15 BG 100	36 -2	0.446 +0.02	83 +17.6	8 +1.2	92.9 -1.2	close	8 Ω vs 4 Ω: amp load changes	+
Hifonics CX15D2	34 -4	0.389 -0.03	59 -6.4	10 +3.2	92.4 -1.7	usable	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the SPLX-152 →

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.