U.S. Amps Xterminator XT15
Original price was: $599.99.$399.00Current price is: $399.00.
Xterminator XT15 – 15″ SPL Subwoofer – 1,250W RMS
Full Specs and Pricing Coming Soon!
The Xterminator XT15 is built for maximum displacement and low-frequency violence. Its carbon fiber cone and dust cap, quad spider pack, and high-roll stitched surround let the 3″ coil move serious air while staying stable at high excursion. Designed for SPL-minded builds that want hair-tricks, window flex, and authority on the lows.
| Parameter | Metric Value | Imperial / US Value | Units |
|---|---|---|---|
| Piston Diameter | 305 mm | 12.01 in | Length |
| Fs (Resonant Frequency) | 30.92 Hz | 30.92 Hz | Frequency |
| Re (DC Resistance) | 7.004 Ω | 7.004 Ω | Resistance |
| Zmax (Max Impedance) | 54.18 Ω | 54.18 Ω | Resistance |
| Qms (Mechanical Q) | 3.967 | 3.967 | — |
| Qes (Electrical Q) | 0.5889 | 0.5889 | — |
| Qts (Total Q) | 0.5128 | 0.5128 | — |
| Vas (Equivalent Volume) | 46.71 L | 1.649 ft³ | Volume |
| Le (Voice Coil Inductance) | 5.835 mH | 0.005835 H | Inductance |
| nâ‚€ (Efficiency) | 0.2235 % | 0.002235 | Ratio |
| SPL (Sensitivity) | 85.59 dB | 85.59 dB | dB (1W/1m) |
| Mms (Moving Mass) | 441 g | 0.972 lb | Mass |
| Cms (Compliance) | 6.0e-05 mm/N | 3.43e-04 in/lb | Compliance |
| BL (Motor Strength) | 31.92 T·m | 31.92 T·m | Motor Force |
| K(r) | 6.463e-05 | 6.463e-05 | — |
| X(r) | 1.273 | 1.273 | — |
| K(i) | 1.4e+06 | 1.4e+06 | — |
| X(i) | -0.8107 | -0.8107 | — |
Description
Xterminator XT15 – 15″ SPL Subwoofer – 1,250W RMS
The Xterminator XT15 is built for maximum displacement and low-frequency violence. Its carbon fiber cone and dust cap, quad spider pack, and high-roll stitched surround let the 3″ coil move serious air while staying stable at high excursion. Designed for SPL-minded builds that want hair-tricks, window flex, and authority on the lows.




