Short answer: the Power Sound Audio (PSA) TRIAX for the higher ranking, the SVS PB-4000 for the lower price. The Power Sound Audio (PSA) TRIAX ranks #3 of 97 subwoofers at $7995. The SVS PB-4000 ranks #53 at $2158.97, $5836.03 cheaper.
Buy the Power Sound Audio (PSA) TRIAX if the ranking matters more than the price. Buy the SVS PB-4000 if the price matters more than the ranking.
Specifications Side By Side
| Power Sound Audio (PSA) TRIAX | SVS PB-4000 | |
|---|---|---|
| Price | $7995 | $2,158.97 |
| Ranked | #3 of 97 in Large Powered Home Subwoofers (Over 75 lbs) | #53 of 97 in Large Powered Home Subwoofers (Over 75 lbs) |
| Enclosure | sealed | ported, front |
| Output SPL at 20 Hz | 119.8 dB | 115.3 dB |
| Output SPL at 25 Hz | 119.8 dB | 116.3 dB |
| Output SPL at 31.5 Hz | 119.8 dB | 117.8 dB |
| Output SPL at 40 Hz | 130.9 dB | 119.8 dB |
| Output SPL at 50 Hz | 130.9 dB | 121.7 dB |
| Output SPL at 63 Hz | 130.9 dB | 120.7 dB |
| CEA-2010-A Average (40-80Hz) | 130.9 dB (avg of 3/4 bands) | 120.3 dB |
| Dimensions | 23.5"H x 31.0"W x 27.5"D (596.9 x 787.4 x 698.5 mm) | 23.4"H x 20.5"W x 27.7"D (594.4 x 520.7 x 703.6 mm) |
| Weight | 229.9 lbs / 104.3 kg | 153.2 lbs / 69.5 kg |
| Warranty | 5 | 5 |
| Country | United States | United States |
| Measurement Source | Manufacturer | Audioholics |
| Drivers | 3x 15" (381mm) driver | 13.5" (343mm) driver with ported design |
| Output SPL at 15 Hz | - | 102.1 dB |
| Output SPL at 80 Hz | - | 119.2 dB |
| Output SPL at 100 Hz | - | 118.1 dB |
| Output SPL at 125 Hz | - | 117.5 dB |
| Cabinet Color | - | black |
The Two Speakers In Full
Power Sound Audio (PSA) TRIAX: $7995
| CEA-2010-A Average (40-80Hz) | 130.9 dB (avg of 3/4 bands) |
|---|---|
| Country | United States |
| Dimensions | 23.5"H x 31.0"W x 27.5"D (596.9 x 787.4 x 698.5 mm) |
| Drivers | 3x 15" (381mm) driver |
| Enclosure | sealed |
| Measurement Source | Manufacturer |
| Output SPL at 20 Hz | 119.8 dB |
| Output SPL at 25 Hz | 119.8 dB |
| Output SPL at 31.5 Hz | 119.8 dB |
| Output SPL at 40 Hz | 130.9 dB |
| Output SPL at 50 Hz | 130.9 dB |
| Output SPL at 63 Hz | 130.9 dB |
| Warranty | 5 |
| Weight | 229.9 lbs / 104.3 kg |
- Head-to-Head Comparisons
- Power Sound Audio (PSA) TRIAX vs JTR Speakers Captivator 4000ULF
- Power Sound Audio (PSA) TRIAX vs JTR Speakers Orbit Shifter LFU
- Power Sound Audio (PSA) TRIAX vs JTR Speakers Orbit Shifter PRO
- Power Sound Audio (PSA) TRIAX vs JTR Speakers Captivator 215PRO
- Power Sound Audio (PSA) TRIAX vs JTR Speakers Captivator S2
- Power Sound Audio (PSA) TRIAX vs Monoprice Monolith 16 THX Ultra
- Power Sound Audio (PSA) TRIAX vs Reaction Audio PV-15X
- Power Sound Audio (PSA) TRIAX vs Monoprice Monolith M-215
- See all 14 comparisons
- Links
SVS PB-4000: $2,158.97 Amazon
| CEA-2010-A Average (40-80Hz) | 120.3 dB |
|---|---|
| Cabinet Color | black |
| Country | United States |
| Dimensions | 23.4"H x 20.5"W x 27.7"D (594.4 x 520.7 x 703.6 mm) |
| Drivers | 13.5" (343mm) driver with ported design |
| Enclosure | ported, front |
| Measurement Source | Audioholics |
| Output SPL at 15 Hz | 102.1 dB |
| Output SPL at 20 Hz | 115.3 dB |
| Output SPL at 25 Hz | 116.3 dB |
| Output SPL at 31.5 Hz | 117.8 dB |
| Output SPL at 40 Hz | 119.8 dB |
| Output SPL at 50 Hz | 121.7 dB |
| Output SPL at 63 Hz | 120.7 dB |
| Output SPL at 80 Hz | 119.2 dB |
| Output SPL at 100 Hz | 118.1 dB |
| Output SPL at 125 Hz | 117.5 dB |
| Warranty | 5 |
| Weight | 153.2 lbs / 69.5 kg |
- Head-to-Head Comparisons
- SVS PB-4000 vs Monoprice Monolith M-15 V2
- SVS PB-4000 vs Rythmik F18
- SVS PB-4000 vs Monoprice Monolith M15-S
- SVS PB-4000 vs HSU Research VTF-3 MK5 HP
- SVS PB-4000 vs HSU Research VTF-15H MK2
- SVS PB-4000 vs Rythmik FV15HP
- SVS PB-4000 vs Monoprice Monolith M-215
- SVS PB-4000 vs Reaction Audio PV-15X
- See all 13 comparisons
- Links
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Product prices and availability were last checked August 9, 2026 at 6:57 AM UTC 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.