Short answer: the SVS PB-1000 PRO for the higher ranking, the Klipsch R-121SW for the lower price. The SVS PB-1000 PRO ranks #25 of 137 subwoofers at $849. The Klipsch R-121SW ranks #77 at $279, $570 cheaper.
What the Klipsch R-121SW gets right: 12-inch spun-copper driver with 200W RMS delivers controlled, musical bass with minimal distortion.
On the SVS PB-1000 PRO side: Ported 12-inch with 325W RMS delivers guttural low extension to 17Hz.
Buy the Klipsch R-121SW if the price matters more than the ranking. Buy the SVS PB-1000 PRO if the ranking matters more than the price.
Specifications Side By Side
| Klipsch R-121SW | SVS PB-1000 PRO | |
|---|---|---|
| Price | $279.00 | $849.00 |
| Ranked | #77 of 137 in Medium Powered Home Subwoofers (30-75 lbs) | #25 of 137 in Medium Powered Home Subwoofers (30-75 lbs) |
| Enclosure | ported, rear | ported, front |
| Output SPL at 15 Hz | 90.7 dB | 96.0 dB |
| Output SPL at 20 Hz | 96.0 dB | 104.2 dB |
| Output SPL at 25 Hz | 98.4 dB | 110.3 dB |
| Output SPL at 31.5 Hz | 102.3 dB | 110.7 dB |
| Output SPL at 40 Hz | 108.2 dB | 113.6 dB |
| Output SPL at 50 Hz | 112.4 dB | 116.1 dB |
| Output SPL at 63 Hz | 112.9 dB | 117.4 dB |
| Output SPL at 80 Hz | 111.3 dB | 116.6 dB |
| Output SPL at 100 Hz | 109.9 dB | 115.9 dB |
| Output SPL at 125 Hz | 108.3 dB | 115.3 dB |
| CEA-2010-A Average (40-80Hz) | 111.2 dB | 115.9 dB |
| Dimensions | 16.6"H x 16.0"W x 19.7"D (421.6 x 406.4 x 500.4 mm) | 18.9"H x 15.0"W x 20.0"D (480.1 x 381.0 x 508.0 mm) |
| Weight | 35.1 lbs / 15.9 kg | 42.5 lbs / 19.3 kg |
| Warranty | 5/2 | 5 |
| Cabinet Color | black | black |
| Country | United States | United States |
| Measurement Source | Audioholics | Audioholics |
| Power Output (Watts) | 200W RMS | Not specified |
| Frequency Response | 28-120Hz | 17-260Hz, ±3dB |
| Drivers | 12" (305mm) driver | 12" (305mm) driver with ported design |
The Two Speakers In Full
Klipsch R-121SW: $279.00 Amazon
Pros: 12-inch spun-copper driver with 200W RMS delivers controlled, musical bass with minimal distortion. Front-firing design maximizes placement flexibility. Excellent value with exceptional bang-for-buck.
| CEA-2010-A Average (40-80Hz) | 111.2 dB |
|---|---|
| Cabinet Color | black |
| Country | United States |
| Dimensions | 16.6"H x 16.0"W x 19.7"D (421.6 x 406.4 x 500.4 mm) |
| Drivers | 12" (305mm) driver |
| Enclosure | ported, rear |
| Frequency Response | 28-120Hz |
| Measurement Source | Audioholics |
| Output SPL at 15 Hz | 90.7 dB |
| Output SPL at 20 Hz | 96.0 dB |
| Output SPL at 25 Hz | 98.4 dB |
| Output SPL at 31.5 Hz | 102.3 dB |
| Output SPL at 40 Hz | 108.2 dB |
| Output SPL at 50 Hz | 112.4 dB |
| Output SPL at 63 Hz | 112.9 dB |
| Output SPL at 80 Hz | 111.3 dB |
| Output SPL at 100 Hz | 109.9 dB |
| Output SPL at 125 Hz | 108.3 dB |
| Power Output (Watts) | 200W RMS |
| Warranty | 5/2 |
| Weight | 35.1 lbs / 15.9 kg |
- Head-to-Head Comparisons
- Klipsch R-121SW vs SVS SB-2000
- Klipsch R-121SW vs Monoprice Monolith M-10 V2
- Klipsch R-121SW vs RSL (Rogersound Labs) Speedwoofer 10S MKII
- Klipsch R-121SW vs Rythmik F12
- Klipsch R-121SW vs Monoprice SSW-10
- Klipsch R-121SW vs Monoprice SW-12
- Klipsch R-121SW vs Kef KC62
- Klipsch R-121SW vs SVS SB-3000
- See all 14 comparisons
- Links
SVS PB-1000 PRO: $849.00 Amazon
Pros: Ported 12-inch with 325W RMS delivers guttural low extension to 17Hz. Shakes things up like pricier competitors at 1/3 cost. Dual high-grade ferrite magnets with FEA-optimized motor. SVS app control.
| CEA-2010-A Average (40-80Hz) | 115.9 dB |
|---|---|
| Cabinet Color | black |
| Country | United States |
| Dimensions | 18.9"H x 15.0"W x 20.0"D (480.1 x 381.0 x 508.0 mm) |
| Drivers | 12" (305mm) driver with ported design |
| Enclosure | ported, front |
| Frequency Response | 17-260Hz, ±3dB |
| Measurement Source | Audioholics |
| Output SPL at 15 Hz | 96.0 dB |
| Output SPL at 20 Hz | 104.2 dB |
| Output SPL at 25 Hz | 110.3 dB |
| Output SPL at 31.5 Hz | 110.7 dB |
| Output SPL at 40 Hz | 113.6 dB |
| Output SPL at 50 Hz | 116.1 dB |
| Output SPL at 63 Hz | 117.4 dB |
| Output SPL at 80 Hz | 116.6 dB |
| Output SPL at 100 Hz | 115.9 dB |
| Output SPL at 125 Hz | 115.3 dB |
| Power Output (Watts) | Not specified |
| Warranty | 5 |
| Weight | 42.5 lbs / 19.3 kg |
- Head-to-Head Comparisons
- SVS PB-1000 PRO vs Monoprice SW-12
- SVS PB-1000 PRO vs SVS SB-3000
- SVS PB-1000 PRO vs Monoprice SW-15
- SVS PB-1000 PRO vs HSU Research ULS-15 MK2
- SVS PB-1000 PRO vs MartinLogan Dynamo 1600X
- SVS PB-1000 PRO vs JTR Speakers Captivator 212PRO
- SVS PB-1000 PRO vs Rythmik F12
- SVS PB-1000 PRO vs RSL (Rogersound Labs) Speedwoofer 10S MKII
- See all 12 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.