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Ground Zero GZNW 15XMAX

15" · 4 Ω · 3000 W · 92.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size15"
Impedance4 Ω
Fs29.5 Hz
Qts0.329
Qes0.352
Qms5.13
Vas35.7 L
Sd707.5 cm²
Xmax10.5 mm
Re2 Ω
Bl24.5 T·m
Mms571.8 g
Pe3000 W
Sensitivity92.2 dB

Alignment hint

EBP84 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 9.9 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
MTX Audio RFL1535 +5.50.414 +0.0844 +8.311.1 +0.694.3 +2.1usable+
Hifonics CX15D234 +4.50.389 +0.0659 +23.310 -0.592.4 +0.2usable8 Ω vs 4 Ω: amp load changes · 2250 W vs 3000 W: lower power handling · Xmax 10 mm < 10.5 mm: lower excursion-limited SPL+
Rockford Fosgate T2S2-1325.5 -40.353 +0.0268.7 +3312.9 +2.493.5 +1.3usable2 Ω vs 4 Ω: amp load changes · 2000 W vs 3000 W: lower power handling+
Ascendant Audio 15 DUAL 2 Ohms30.1 +0.60.274 -0.0555.1 +19.49.4 -1.196.9 +4.7usable2 Ω vs 4 Ω: amp load changes · Xmax 9.4 mm < 10.5 mm: lower excursion-limited SPL+
Pioneer 810223.2 -6.30.311 -0.0270.1 +34.414.4 +3.990.5 -1.7usable+
MTX Audio TX81535 +5.50.508 +0.1844.7 +99.6 -0.993.3 +1.1usable2000 W vs 3000 W: lower power handling · Xmax 9.6 mm < 10.5 mm: lower excursion-limited SPL+
Ascendant Audio 15 DUAL 1 Ohms29.9 +0.40.274 -0.0555.1 +19.49.4 -1.199.6 +7.4usable1 Ω vs 4 Ω: amp load changes · Xmax 9.4 mm < 10.5 mm: lower excursion-limited SPL+
FI Audio Q15 DUAL 232.1 +2.60.419 +0.0975.6 +39.911.3 +0.894.1 +1.9usable1750 W vs 3000 W: lower power handling+
Rockford Fosgate T2D21531 +1.50.523 +0.1948.4 +12.78.7 -1.889.7 -2.5usable1200 W vs 3000 W: lower power handling · Xmax 8.7 mm < 10.5 mm: lower excursion-limited SPL+
Peerless STW-350F188PR01-0426.6 -2.90.479 +0.1558.2 +22.510.1 -0.489.3 -2.9usable1200 W vs 3000 W: lower power handling · Xmax 10.1 mm < 10.5 mm: lower excursion-limited SPL+

Compare the closest 3 against the GZNW 15XMAX →

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.