Short answer: the Paradigm Defiance X12. It ranks #10 of 145 subwoofers by sound quality at $1314.63; the Power Sound Audio (PSA) XV15-BASE ranks #11 and costs $1595, so there is not much of a tradeoff to weigh.
On the Paradigm Defiance X12 side: Beastmaster 12-inch ported with 650W RMS defies moderate size to produce powerful bass with vanishing distortion.
The case for the Power Sound Audio (PSA) XV15-BASE: 15-inch ported driver delivers 119.1dB CEA-2010-A average from a rear-ported cabinet.
Buy the Paradigm Defiance X12. It ranks higher for sound quality than the Power Sound Audio (PSA) XV15-BASE and costs less, so there is no real case for the other one.
Want more options? Browse the full Subwoofers rankings.
Specifications Side By Side
| Paradigm Defiance X12 | Power Sound Audio (PSA) XV15-BASE | |
|---|---|---|
| Price | $1,314.63 | $1595 |
| Ranked | #10 of 145 in Medium Home Subwoofers (30-75 lbs) | #11 of 145 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | ported, bottom | ported, rear |
| Output SPL at 20 Hz | 95.5 dB | 110.6 dB |
| Output SPL at 25 Hz | 108.1 dB | 110.6 dB |
| Output SPL at 31.5 Hz | 112.8 dB | 110.6 dB |
| Output SPL at 40 Hz | 116.1 dB | 119.1 dB |
| Output SPL at 50 Hz | 119.0 dB | 119.1 dB |
| Output SPL at 63 Hz | 120.7 dB | 119.1 dB |
| Output SPL at 80 Hz | 120.8 dB | - |
| Output SPL at 100 Hz | 120.2 dB | - |
| Output SPL at 125 Hz | 119.3 dB | - |
| CEA-2010-A Average (40-80Hz) | 119.2 dB | 119.1 dB (avg of 3/4 bands) |
| Dimensions | 19.4"H x 18"W x 19.4"D (493.5 x 457.2 x 493.5 mm) | 23"H x 17"W x 22"D (584.2 x 431.8 x 558.8 mm) |
| Weight | 61.9 lbs (28.1 kg) | 75 lbs (34.0 kg) |
| Warranty | 3 | 5 |
| Cabinet Color | black | - |
| Country | Canada | United States |
| Measurement Source | Audioholics | Manufacturer |
| Frequency Response | 20-230Hz, ±3dB | 21-200Hz |
| Amplifier Power | 650W RMS / 1300W peak | 500W RMS / 1000W peak |
| Crossover Frequency | 30-120Hz adjustable | - |
| Features | ARC microphone for room correction, ART surround | - |
| Drivers | 12" (305mm) driver | 15" (381mm) driver |
Related Speaker Comparisons
More worthwhile head-to-heads for Paradigm Defiance X12:
- MartinLogan Dynamo 1600X vs Paradigm Defiance X12
- HSU Research ULS-15 MK2 vs Paradigm Defiance X12
- Paradigm Defiance X12 vs Power Sound Audio (PSA) XV15
- Paradigm Defiance X12 vs Power Sound Audio (PSA) XV15SEICE-BASE
- Monoprice SW-15 vs Paradigm Defiance X12
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
Paradigm Defiance X12: $1,314.63 eBay
Pros: Beastmaster 12-inch ported with 650W RMS defies moderate size to produce powerful bass with vanishing distortion. Advanced ARC room correction technology. Nearly ideal performance/value ratio for music and movies.
Full Paradigm Defiance X12 review and specifications →
| Amplifier Power | 650W RMS / 1300W peak |
|---|---|
| CEA-2010-A Average (40-80Hz) | 119.2 dB |
| Cabinet Color | black |
| Country | Canada |
| Crossover Frequency | 30-120Hz adjustable |
| Dimensions | 19.4"H x 18"W x 19.4"D (493.5 x 457.2 x 493.5 mm) |
| Drivers | 12" (305mm) driver |
| Enclosure | ported, bottom |
| Features | ARC microphone for room correction, ART surround |
| Frequency Response | 20-230Hz, ±3dB |
| Measurement Source | Audioholics |
| Output SPL at 20 Hz | 95.5 dB |
| Output SPL at 25 Hz | 108.1 dB |
| Output SPL at 31.5 Hz | 112.8 dB |
| Output SPL at 40 Hz | 116.1 dB |
| Output SPL at 50 Hz | 119.0 dB |
| Output SPL at 63 Hz | 120.7 dB |
| Output SPL at 80 Hz | 120.8 dB |
| Output SPL at 100 Hz | 120.2 dB |
| Output SPL at 125 Hz | 119.3 dB |
| Warranty | 3 |
| Weight | 61.9 lbs (28.1 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
- Paradigm Defiance X12 vs Power Sound Audio (PSA) XV15
- Paradigm Defiance X12 vs Power Sound Audio (PSA) XV15SEICE-BASE
- Paradigm Defiance X12 vs Monoprice SW-15
- Paradigm Defiance X12 vs SVS SB-3000
- Paradigm Defiance X12 vs HSU Research ULS-15 MK2
- Paradigm Defiance X12 vs MartinLogan Dynamo 1600X
- Paradigm Defiance X12 vs Power Sound Audio (PSA) XS15SE
Power Sound Audio (PSA) XV15-BASE: $1595 eBay
Pros: 15-inch ported driver delivers 119.1dB CEA-2010-A average from a rear-ported cabinet.
Full Power Sound Audio (PSA) XV15-BASE review and specifications →
| Amplifier Power | 500W RMS / 1000W peak |
|---|---|
| CEA-2010-A Average (40-80Hz) | 119.1 dB (avg of 3/4 bands) |
| Country | United States |
| Dimensions | 23"H x 17"W x 22"D (584.2 x 431.8 x 558.8 mm) |
| Drivers | 15" (381mm) driver |
| Enclosure | ported, rear |
| Frequency Response | 21-200Hz |
| Measurement Source | Manufacturer |
| Output SPL at 20 Hz | 110.6 dB |
| Output SPL at 25 Hz | 110.6 dB |
| Output SPL at 31.5 Hz | 110.6 dB |
| Output SPL at 40 Hz | 119.1 dB |
| Output SPL at 50 Hz | 119.1 dB |
| Output SPL at 63 Hz | 119.1 dB |
| Warranty | 5 |
| Weight | 75 lbs (34.0 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- These figures are manufacturer-specified rather than independently measured.
- Head-to-Head Comparisons
- Power Sound Audio (PSA) XV15-BASE vs Power Sound Audio (PSA) XV15SEICE-BASE
- Power Sound Audio (PSA) XV15-BASE vs Monoprice SW-15
- Power Sound Audio (PSA) XV15-BASE vs Power Sound Audio (PSA) XV15
- Power Sound Audio (PSA) XV15-BASE vs SVS SB-3000
- Power Sound Audio (PSA) XV15-BASE vs MartinLogan Dynamo 1600X