Short answer: the SVS PB-1000 PRO. It ranks #25 of 137 subwoofers at $849; the Rythmik F12 ranks #51 and costs $1120, so there is not much of a tradeoff to weigh.
On the Rythmik F12 side: Sealed 12-inch servo with 370W RMS offers excellent value.
The case for the SVS PB-1000 PRO: Ported 12-inch with 325W RMS delivers guttural low extension to 17Hz.
Buy the Rythmik F12 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
| Rythmik F12 | SVS PB-1000 PRO | |
|---|---|---|
| Price | $1,120 | $849.00 |
| Ranked | #51 of 137 in Medium Powered Home Subwoofers (30-75 lbs) | #25 of 137 in Medium Powered Home Subwoofers (30-75 lbs) |
| Enclosure | sealed | ported, front |
| Output SPL at 15 Hz | 95.0 dB | 96.0 dB |
| Output SPL at 20 Hz | 97.6 dB | 104.2 dB |
| Output SPL at 25 Hz | 100.7 dB | 110.3 dB |
| Output SPL at 31.5 Hz | 107.5 dB | 110.7 dB |
| Output SPL at 40 Hz | 112.3 dB | 113.6 dB |
| Output SPL at 50 Hz | 113.1 dB | 116.1 dB |
| Output SPL at 63 Hz | 114.4 dB | 117.4 dB |
| Output SPL at 80 Hz | 113.6 dB | 116.6 dB |
| CEA-2010-A Average (40-80Hz) | 113.3 dB | 115.9 dB |
| Dimensions | 15.75"H x 15.75"W x 17.0"D (400.0 x 400.0 x 431.8 mm) | 18.9"H x 15.0"W x 20.0"D (480.1 x 381.0 x 508.0 mm) |
| Weight | 75 lbs / 34.0 kg | 42.5 lbs / 19.3 kg |
| Warranty | 5/3 | 5 |
| Cabinet Color | black | black |
| Country | United States | United States |
| Measurement Source | Brent Butterworth | Audioholics |
| Power Output (Watts) | 370W RMS | Not specified |
| Frequency Response | 14Hz extension | 17-260Hz, ±3dB |
| Drivers | 12" (305mm) driver | 12" (305mm) driver with ported design |
| Output SPL at 100 Hz | - | 115.9 dB |
| Output SPL at 125 Hz | - | 115.3 dB |
The Two Speakers In Full
Rythmik F12: $1,120
Pros: Sealed 12-inch servo with 370W RMS offers excellent value. Very musical and can disappear in small rooms. Digs to 14Hz with excellent build quality and well-braced cabinet.
| CEA-2010-A Average (40-80Hz) | 113.3 dB |
|---|---|
| Cabinet Color | black |
| Country | United States |
| Dimensions | 15.75"H x 15.75"W x 17.0"D (400.0 x 400.0 x 431.8 mm) |
| Drivers | 12" (305mm) driver |
| Enclosure | sealed |
| Frequency Response | 14Hz extension |
| Measurement Source | Brent Butterworth |
| Output SPL at 15 Hz | 95.0 dB |
| Output SPL at 20 Hz | 97.6 dB |
| Output SPL at 25 Hz | 100.7 dB |
| Output SPL at 31.5 Hz | 107.5 dB |
| Output SPL at 40 Hz | 112.3 dB |
| Output SPL at 50 Hz | 113.1 dB |
| Output SPL at 63 Hz | 114.4 dB |
| Output SPL at 80 Hz | 113.6 dB |
| Power Output (Watts) | 370W RMS |
| Warranty | 5/3 |
| Weight | 75 lbs / 34.0 kg |
- Head-to-Head Comparisons
- Rythmik F12 vs RSL (Rogersound Labs) Speedwoofer 10S MKII
- Rythmik F12 vs SVS SB-2000
- Rythmik F12 vs Monoprice SW-12
- Rythmik F12 vs Klipsch R-121SW
- Rythmik F12 vs Monoprice Monolith M-10 V2
- Rythmik F12 vs SVS SB-3000
- Rythmik F12 vs Monoprice SW-15
- Rythmik F12 vs HSU Research ULS-15 MK2
- 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 RSL (Rogersound Labs) Speedwoofer 10S MKII
- SVS PB-1000 PRO vs SVS SB-2000
- 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.