MTX Audio TX815

15" · 4 Ω · 2000 W · 93.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	4 Ω
Fs	35 Hz
Qts	0.508
Qes	0.56
Qms	5.46
Vas	44.7 L
Sd	793.4 cm²
Xmax	9.6 mm
Re	2 Ω
Bl	17.9 T·m
Mms	408.2 g
Pe	2000 W
Sensitivity	93.3 dB

Alignment hint

EBP	62 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 47.7 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
MTX Audio RFL15	35 =	0.414 -0.09	44 -0.7	11.1 +1.5	94.3 +1	close		+
Rockford Fosgate T2D215	31 -4	0.523 +0.02	48.4 +3.7	8.7 -0.9	89.7 -3.6	usable	1200 W vs 2000 W: lower power handling · Xmax 8.7 mm < 9.6 mm: lower excursion-limited SPL	+
JBL 15SWV3.8	53.4 +18.4	0.52 +0.01	43.9 -0.8	11 +1.4	92.8 -0.5	usable		+
Ground Zero GZRW 15XSPL D2	34.1 -0.9	0.59 +0.08	63.3 +18.6	11.3 +1.7	91.1 -2.2	usable		+
Hifonics CX15D2	34 -1	0.389 -0.12	59 +14.3	10 +0.4	92.4 -0.9	usable	8 Ω vs 4 Ω: amp load changes	+
B&C 15BG76	44 +9	0.56 +0.05	68.4 +23.7	9.6 =	93.4 +0.1	usable	8 Ω vs 4 Ω: amp load changes · 500 W vs 2000 W: lower power handling	+
MTX Audio T612S-22	33.6 -1.4	0.602 +0.09	58.9 +14.2	7.4 -2.2	91.2 -2.1	usable	600 W vs 2000 W: lower power handling · Xmax 7.4 mm < 9.6 mm: lower excursion-limited SPL	+
Gladen SQX15	35.5 +0.5	0.513 +0.01	80.7 +36	7 -2.6	94.3 +1	usable	700 W vs 2000 W: lower power handling · Xmax 7 mm < 9.6 mm: lower excursion-limited SPL	+
Lanzar OPTI1535D vp	30 -5	0.587 +0.08	55.4 +10.7	10.4 +0.8	88.3 -5	usable	8 Ω vs 4 Ω: amp load changes	+
Peerless STW-350F188PR01-04	26.6 -8.4	0.479 -0.03	58.2 +13.5	10.1 +0.5	89.3 -4	usable	1200 W vs 2000 W: lower power handling	+

Compare the closest 3 against the TX815 →

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.