Short answer: the SVS SB-2000 Pro for power and headroom, the Klipsch R-121SW for price. The SB-2000 Pro ranks #72 of 212 medium subwoofers at $749, with a sealed 12-inch driver and a 550W RMS, 1500W peak Sledge amplifier. The R-121SW costs $389.99, and its 12-inch spun-copper driver with 200W RMS delivers controlled, musical bass with minimal distortion.
Buy the Klipsch R-121SW if the price is the priority over sound quality, or the SVS SB-2000 Pro if sound quality is the priority over the price.
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Prices on this page were last checked November 14, 2026 at 6:17 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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Specifications Side By Side
| Klipsch R-121SW | SVS SB-2000 Pro | |
|---|---|---|
| Price | $389.99 | $749.00 each |
| Ranked | #132 of 212 in Medium Home Subwoofers (30-75 lbs) | #72 of 212 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | ported, rear | sealed |
| Output SPL at 15 Hz | 90.7 dB | - |
| Output SPL at 20 Hz | 96.0 dB | 102.5 dB |
| Output SPL at 25 Hz | 98.4 dB | 113.3 dB |
| Output SPL at 31.5 Hz | 102.3 dB | - |
| Output SPL at 40 Hz | 108.2 dB | 114.0 dB |
| Output SPL at 50 Hz | 112.4 dB | 114.1 dB |
| Output SPL at 63 Hz | 112.9 dB | 115.9 dB |
| Output SPL at 80 Hz | 111.3 dB | 115.0 dB |
| Output SPL at 100 Hz | 109.9 dB | - |
| Output SPL at 125 Hz | 108.3 dB | - |
| CEA-2010-A Average (40-80Hz) | 111.2 dB | 114.7 dB |
| Dimensions | 16.6”H x 16”W x 19.7”D (421.6 x 406.4 x 500.4 mm) | 14.6”H x 14.2”W x 15.6”D (370.8 x 360.7 x 396.2 mm) |
| Weight | 35.1 lbs (15.9 kg) | 38.6 lbs (17.5 kg) |
| Warranty | 5/2 | 5 |
| Cabinet Color | black | black |
| Country | United States | United States |
| Measurement Source | Audioholics | Erin’s Audio Corner |
| Amplifier Power | 200W RMS | 550W RMS, 1500W peak |
| Frequency Response | 28-120Hz | 19-240Hz ±3dB |
| Drivers | 12” (305mm) driver | 12” (305mm) driver |
Where the Ratings Come From
- Klipsch R-121SW: manufacturer specifications and listening comparisons; no independent measurement has been published yet.
- SVS SB-2000 Pro: reviews by Erin’s Audio Corner.
This comparison is generated from the ratings, specifications and measurements on each product’s own page, and it updates when that data changes. How we rank explains how each rating is decided.
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