Short answer: both are discontinued, so this only matters if you are buying used. Used, the Power Sound Audio (PSA) XS15 is the better pick: it ranks #16 of 212 subwoofers by sound quality (rated 4.1/5), against #30 (rated 3.9/5) for the Power Sound Audio (PSA) XS15SE. If you want one new, the HSU Research ULS-15 MK2 ranks #4 at $999.
Buy the Power Sound Audio (PSA) XS15 only if you find one used in good condition; both are discontinued, and it is the better rated of the two. For a new speaker, start with the HSU Research ULS-15 MK2 instead.
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Specifications Side By Side
| Power Sound Audio (PSA) XS15 | Power Sound Audio (PSA) XS15SE | |
|---|---|---|
| Price | $1,299 Discontinued | $1,499 Discontinued |
| Ranked | #16 of 212 in Medium Home Subwoofers (30-75 lbs) | #30 of 212 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | sealed | sealed |
| Output SPL at 20 Hz | 107.1 dB | 100.6 dB |
| Output SPL at 25 Hz | 107.1 dB | 107.2 dB |
| Output SPL at 31.5 Hz | 107.1 dB | 110.6 dB |
| Output SPL at 40 Hz | 118.2 dB | 114.7 dB |
| Output SPL at 50 Hz | 118.2 dB | 117.9 dB |
| Output SPL at 63 Hz | 118.2 dB | 119.1 dB |
| CEA-2010-A Average (40-80Hz) | 118.2 dB (avg of 3/4 bands) | 117.8 dB |
| Dimensions | 19.5”H x 17”W x 18”D (495.3 x 431.8 x 457.2 mm) | 19.5”H x 17”W x 18”D (495.3 x 431.8 x 457.2 mm) |
| Weight | 59.1 lbs (26.8 kg) | 67 lbs (30.4 kg) |
| Warranty | 5 | 5 |
| Country | United States | United States |
| Measurement Source | Manufacturer | Data-bass |
| Frequency Response | 23-200Hz, ±3dB | 23-200Hz, ±3dB |
| Amplifier Power | 550W RMS / 1650W peak | 550W RMS / 1650W peak |
| Drivers | 15” (381mm) driver | 15” (381mm) driver |
| Output SPL at 12.5 Hz | - | 91.9 dB |
| Output SPL at 15 Hz | - | 96.5 dB |
| Output SPL at 80 Hz | - | 119.4 dB |
| Output SPL at 100 Hz | - | 119.3 dB |
| Output SPL at 125 Hz | - | 118.6 dB |
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