Short answer: the Monoprice SW-15 for a ported design at less money, the PSA XS15 for a sealed cabinet. Both are 15-inch subs that reach the Bassaholic Large Room category, the Monoprice through a 600W RMS (800W peak) ported cabinet and the PSA through a 550W RMS sealed one. The Monoprice’s catch is budget-tier build, ported room-gain dependency, a 30 kg (66.1 lbs) cabinet and limited dynamic headroom.
What the Monoprice SW-15 gets right: 15-inch ported with 600W RMS (800W peak) delivers Large-room Bassaholic rating. The tradeoff: Budget-tier design, ported room gain dependency, 30 kg (66.1 lbs) mid-size, and limited dynamic headroom.
On the Power Sound Audio (PSA) XS15 side: 15-inch sealed with 550W RMS reaches Bassaholic Large Room category.
Buy the Monoprice SW-15. It ranks higher for sound quality than the Power Sound Audio (PSA) XS15 and costs less, so the other one has nothing left to offer.
Want more options? Browse the full Subwoofers rankings.
Specifications Side By Side
| Monoprice SW-15 | Power Sound Audio (PSA) XS15 | |
|---|---|---|
| Price | $374.99 | $1299 |
| Ranked | #13 of 145 in Medium Home Subwoofers (30-75 lbs) | #15 of 145 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | ported, bottom | sealed |
| Output SPL at 15 Hz | 90.0 dB | - |
| Output SPL at 20 Hz | 101.2 dB | 107.1 dB |
| Output SPL at 25 Hz | 106.3 dB | 107.1 dB |
| Output SPL at 31.5 Hz | 111.2 dB | 107.1 dB |
| Output SPL at 40 Hz | 116.0 dB | 118.2 dB |
| Output SPL at 50 Hz | 120.2 dB | 118.2 dB |
| Output SPL at 63 Hz | 120.5 dB | 118.2 dB |
| Output SPL at 80 Hz | 119.5 dB | - |
| CEA-2010-A Average (40-80Hz) | 119.0 dB | 118.2 dB (avg of 3/4 bands) |
| Dimensions | 18.1"H x 21"W x 22.7"D (459.7 x 533.4 x 576.6 mm) | 19.5"H x 17"W x 18"D (495.3 x 431.8 x 457.2 mm) |
| Weight | 66.1 lbs (30.0 kg) | 59.1 lbs (26.8 kg) |
| Warranty | 1 | 5 |
| Cabinet Color | black | - |
| Country | United States | United States |
| Measurement Source | Audioholics | Manufacturer |
| Frequency Response | 30-150Hz (-10dB) | 23-200Hz, ±3dB |
| Amplifier Power | 600W RMS / 800W peak | 550W RMS / 1650W peak |
| Crossover Frequency | 40-150Hz, 18dB/octave | - |
| Phase Control | 0° or 180° | - |
| Inputs | Stereo line level and speaker level | - |
| Drivers | 15" (381mm) driver | 15" (381mm) driver |
Related Speaker Comparisons
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- HSU Research ULS-15 MK2 vs Monoprice SW-15
- Monoprice SW-15 vs PSB Speakers SubSeries 450
- Monoprice SW-12 vs Monoprice SW-15
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
Monoprice SW-15: $374.99 Amazon eBay
Pros: 15-inch ported with 600W RMS (800W peak) delivers Large-room Bassaholic rating. Unrivaled mid-bass punch for $375. Strong output with clean control. Dual speaker-level inputs and 40-150Hz crossover for flexible hookup.
Cons: Budget-tier design, ported room gain dependency, 30 kg mid-size, and limited dynamic headroom.
Notes: Product # 41499
Full Monoprice SW-15 review and specifications →
| Amplifier Power | 600W RMS / 800W peak |
|---|---|
| CEA-2010-A Average (40-80Hz) | 119.0 dB |
| Cabinet Color | black |
| Country | United States |
| Crossover Frequency | 40-150Hz, 18dB/octave |
| Dimensions | 18.1"H x 21"W x 22.7"D (459.7 x 533.4 x 576.6 mm) |
| Drivers | 15" (381mm) driver |
| Enclosure | ported, bottom |
| Frequency Response | 30-150Hz (-10dB) |
| Inputs | Stereo line level and speaker level |
| Measurement Source | Audioholics |
| Output SPL at 15 Hz | 90.0 dB |
| Output SPL at 20 Hz | 101.2 dB |
| Output SPL at 25 Hz | 106.3 dB |
| Output SPL at 31.5 Hz | 111.2 dB |
| Output SPL at 40 Hz | 116.0 dB |
| Output SPL at 50 Hz | 120.2 dB |
| Output SPL at 63 Hz | 120.5 dB |
| Output SPL at 80 Hz | 119.5 dB |
| Phase Control | 0° or 180° |
| Warranty | 1 |
| Weight | 66.1 lbs (30.0 kg) |
- 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
- Monoprice SW-15 vs Power Sound Audio (PSA) XV15SEICE-BASE
- Monoprice SW-15 vs SVS SB-3000
- Monoprice SW-15 vs Power Sound Audio (PSA) XV15-BASE
- Monoprice SW-15 vs Paradigm Defiance X12
- Monoprice SW-15 vs Power Sound Audio (PSA) XS15-BASE
- Monoprice SW-15 vs Power Sound Audio (PSA) XV15
- Monoprice SW-15 vs Klipsch SPL-120
- Monoprice SW-15 vs Dayton Audio CS1200
- See all 109 comparisons
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