Short answer: the PSA XS15-BASE for output, the Starke Sound SW15 for extension to 14Hz. The XS15-BASE’s 15-inch sealed driver reaches 118.2dB CEA-2010-A average with deeper bass extension and slower room modes, while the SW15 is a sealed 15-inch with 450W RMS delivering tight controlled deep bass down to 14Hz. The Starke also costs $224 less at $1075 against $1299.
The case for the Power Sound Audio (PSA) XS15-BASE: 15-inch sealed driver reaches 118.2dB CEA-2010-A average, offering deeper bass extension and slower room modes.
What the Starke Sound SW15 gets right: Sealed 15-inch with 450W RMS delivers tight controlled deep bass down to 14Hz.
One note: the Starke Sound SW15 is no longer sold new, but at #23 of 145 subwoofers by sound quality it still outranks most current models, so used is worth considering.
Buy the Power Sound Audio (PSA) XS15-BASE. It is rated higher for sound quality, and the $224 you would save on the Starke Sound SW15 does not close the gap.
Want more options? Browse the full Subwoofers rankings.
Specifications Side By Side
| Power Sound Audio (PSA) XS15-BASE | Starke Sound SW15 | |
|---|---|---|
| Price | $1299 | $1,075 Discontinued |
| Ranked | #16 of 145 in Medium Home Subwoofers (30-75 lbs) | #23 of 145 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | sealed | sealed |
| Output SPL at 20 Hz | 107.1 dB | 98.0 dB |
| Output SPL at 25 Hz | 107.1 dB | 104.6 dB |
| Output SPL at 31.5 Hz | 107.1 dB | 110.0 dB |
| Output SPL at 40 Hz | 118.2 dB | 114.6 dB |
| Output SPL at 50 Hz | 118.2 dB | 118.4 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) | 117.3 dB |
| Dimensions | 20.7"H x 18.5"W x 19.5"D (527.0 x 469.9 x 495.3 mm) | 17.3"H x 16.5"W x 18.9"D (439.4 x 419.1 x 480.1 mm) |
| Weight | 73 lbs (33.1 kg) | 54.9 lbs (24.9 kg) |
| Warranty | 5 | - |
| Country | United States | United States |
| Measurement Source | Manufacturer | Audioholics |
| Frequency Response | 23-200Hz, ±3dB | 14-240Hz, ±3dB |
| Amplifier Power | 550W RMS / 1650W peak | 450W RMS / 900W peak |
| Drivers | 15" (381mm) driver | 15" (381mm) driver |
| Output SPL at 12.5 Hz | - | 86.0 dB |
| Output SPL at 15 Hz | - | 90.8 dB |
| Output SPL at 80 Hz | - | 117.2 dB |
| Output SPL at 100 Hz | - | 115.2 dB |
| Output SPL at 125 Hz | - | 113.8 dB |
| Cabinet Color | - | black |
| Crossover Frequency | - | 50-200Hz adjustable |
| Phase Control | - | 0°-180° adjustable |
| Inputs | - | 1 XLR (balanced), 3 RCA (unbalanced) |
| Features | - | Sealed subwoofer, outputs: XLR |
| Discontinued | - | Yes |
| XLR Input | - | Yes |
| RCA Input | - | Yes |
| TRS Input | - | No |
| Optical Input | - | No |
| Coaxial Input | - | No |
| USB Input | - | No |
| HDMI Input | - | No |
| AES Input | - | No |
| Aux Input | - | No |
Related Speaker Comparisons
How Power Sound Audio (PSA) XS15-BASE compares with other leading options:
- MartinLogan Dynamo 1600X vs Power Sound Audio (PSA) XS15-BASE
- Monoprice SW-15 vs Power Sound Audio (PSA) XS15-BASE
- Power Sound Audio (PSA) XS15-BASE vs SVS SB-3000
- Power Sound Audio (PSA) XS15 vs Power Sound Audio (PSA) XS15-BASE
- Power Sound Audio (PSA) XS15-BASE vs Power Sound Audio (PSA) XS15SE
Prices on this page were last checked September 23, 2026 at 11:24 PM 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-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
Starke Sound SW15: $1,075 Discontinued eBay
Pros: Sealed 15-inch with 450W RMS delivers tight controlled deep bass down to 14Hz. Excellent +/-1.5dB response curve from 10Hz-50Hz. Infrasonic capable with no high-pass filter cutoff. Fast accurate response without distortion or bloat.
Cons: Discontinued.
Full Starke Sound SW15 review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 450W RMS / 900W peak |
| Aux Input | No |
| CEA-2010-A Average (40-80Hz) | 117.3 dB |
| Cabinet Color | black |
| Coaxial Input | No |
| Country | United States |
| Crossover Frequency | 50-200Hz adjustable |
| Dimensions | 17.3"H x 16.5"W x 18.9"D (439.4 x 419.1 x 480.1 mm) |
| Discontinued | Yes |
| Drivers | 15" (381mm) driver |
| Enclosure | sealed |
| Features | Sealed subwoofer, outputs: XLR |
| Frequency Response | 14-240Hz, ±3dB |
| HDMI Input | No |
| Inputs | 1 XLR (balanced), 3 RCA (unbalanced) |
| Measurement Source | Audioholics |
| Optical Input | No |
| Output SPL at 12.5 Hz | 86.0 dB |
| Output SPL at 15 Hz | 90.8 dB |
| Output SPL at 20 Hz | 98.0 dB |
| Output SPL at 25 Hz | 104.6 dB |
| Output SPL at 31.5 Hz | 110.0 dB |
| Output SPL at 40 Hz | 114.6 dB |
| Output SPL at 50 Hz | 118.4 dB |
| Output SPL at 63 Hz | 119.1 dB |
| Output SPL at 80 Hz | 117.2 dB |
| Output SPL at 100 Hz | 115.2 dB |
| Output SPL at 125 Hz | 113.8 dB |
| Phase Control | 0°-180° adjustable |
| RCA Input | Yes |
| TRS Input | No |
| USB Input | No |
| Weight | 54.9 lbs (24.9 kg) |
| XLR Input | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- Independently measured by Audioholics; the published figures above come from this ASR subwoofer measurement thread.
- Head-to-Head Comparisons