Short answer: the XS15-BASE, on the strength of 118.2dB CEA-2010-A output and deeper extension. The plain XS15 is a 15-inch sealed sub with 550W RMS that reaches the Bassaholic Large Room category, but the BASE variant adds 118.2dB average output plus deeper bass extension and slower room modes. The two are priced the same at $1299, so the measurement advantage settles it.
The case for the Power Sound Audio (PSA) XS15: 15-inch sealed with 550W RMS reaches Bassaholic Large Room category.
What the Power Sound Audio (PSA) XS15-BASE gets right: 15-inch sealed driver reaches 118.2dB CEA-2010-A average, offering deeper bass extension and slower room modes.
Buy the Power Sound Audio (PSA) XS15. It ranks higher for sound quality than the Power Sound Audio (PSA) XS15-BASE at the same price, so there is no real case for the other one.
Still deciding? The full Subwoofers rankings cover every ranked option.
Specifications Side By Side
| Power Sound Audio (PSA) XS15 | Power Sound Audio (PSA) XS15-BASE | |
|---|---|---|
| Price | $1299 | $1299 |
| Ranked | #15 of 145 in Medium Home Subwoofers (30-75 lbs) | #16 of 145 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | sealed | sealed |
| Output SPL at 20 Hz | 107.1 dB | 107.1 dB |
| Output SPL at 25 Hz | 107.1 dB | 107.1 dB |
| Output SPL at 31.5 Hz | 107.1 dB | 107.1 dB |
| Output SPL at 40 Hz | 118.2 dB | 118.2 dB |
| Output SPL at 50 Hz | 118.2 dB | 118.2 dB |
| Output SPL at 63 Hz | 118.2 dB | 118.2 dB |
| CEA-2010-A Average (40-80Hz) | 118.2 dB (avg of 3/4 bands) | 118.2 dB (avg of 3/4 bands) |
| Dimensions | 19.5"H x 17"W x 18"D (495.3 x 431.8 x 457.2 mm) | 20.7"H x 18.5"W x 19.5"D (527.0 x 469.9 x 495.3 mm) |
| Weight | 59.1 lbs (26.8 kg) | 73 lbs (33.1 kg) |
| Warranty | 5 | 5 |
| Country | United States | United States |
| Measurement Source | Manufacturer | Manufacturer |
| 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 |
Related Speaker Comparisons
More top alternatives to Power Sound Audio (PSA) XS15:
- MartinLogan Dynamo 1600X vs Power Sound Audio (PSA) XS15
- Monoprice SW-15 vs Power Sound Audio (PSA) XS15
- Power Sound Audio (PSA) XS15 vs SVS SB-3000
- Power Sound Audio (PSA) XS15 vs Power Sound Audio (PSA) XS15SE
- Power Sound Audio (PSA) XS15-BASE vs Power Sound Audio (PSA) XS15SE
Prices on this page were last checked September 22, 2026 at 5:11 AM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Speakers In Full
Power Sound Audio (PSA) XS15: $1299 eBay
Pros: 15-inch sealed with 550W RMS reaches Bassaholic Large Room category. Compares favorably with SVS SB2000. Solid 118.2dB output capability. Sealed predictable behavior aids room correction.
Full Power Sound Audio (PSA) XS15 review and specifications →
| Amplifier Power | 550W RMS / 1650W peak |
|---|---|
| CEA-2010-A Average (40-80Hz) | 118.2 dB (avg of 3/4 bands) |
| Country | United States |
| Dimensions | 19.5"H x 17"W x 18"D (495.3 x 431.8 x 457.2 mm) |
| Drivers | 15" (381mm) driver |
| Enclosure | sealed |
| Frequency Response | 23-200Hz, ±3dB |
| Measurement Source | Manufacturer |
| Output SPL at 20 Hz | 107.1 dB |
| Output SPL at 25 Hz | 107.1 dB |
| Output SPL at 31.5 Hz | 107.1 dB |
| Output SPL at 40 Hz | 118.2 dB |
| Output SPL at 50 Hz | 118.2 dB |
| Output SPL at 63 Hz | 118.2 dB |
| Warranty | 5 |
| Weight | 59.1 lbs (26.8 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- These figures are manufacturer-specified rather than independently measured.
- Head-to-Head Comparisons
Power Sound Audio (PSA) XS15-BASE: $1299 eBay
Pros: 15-inch sealed driver reaches 118.2dB CEA-2010-A average, offering deeper bass extension and slower room modes.
Full Power Sound Audio (PSA) XS15-BASE review and specifications →
| Amplifier Power | 550W RMS / 1650W peak |
|---|---|
| CEA-2010-A Average (40-80Hz) | 118.2 dB (avg of 3/4 bands) |
| Country | United States |
| Dimensions | 20.7"H x 18.5"W x 19.5"D (527.0 x 469.9 x 495.3 mm) |
| Drivers | 15" (381mm) driver |
| Enclosure | sealed |
| Frequency Response | 23-200Hz, ±3dB |
| Measurement Source | Manufacturer |
| Output SPL at 20 Hz | 107.1 dB |
| Output SPL at 25 Hz | 107.1 dB |
| Output SPL at 31.5 Hz | 107.1 dB |
| Output SPL at 40 Hz | 118.2 dB |
| Output SPL at 50 Hz | 118.2 dB |
| Output SPL at 63 Hz | 118.2 dB |
| Warranty | 5 |
| Weight | 73 lbs (33.1 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- These figures are manufacturer-specified rather than independently measured.
- Head-to-Head Comparisons