Short answer: the Rythmik F12 by a wide margin. It ranks #21 of 212 as a sealed 12-inch servo sub with a 370W RMS amplifier that the source calls excellent value. The RSL Speedwoofer 10S MKII is a 10-inch ported design with a 400W RMS (1020W peak) XDR amplifier, but it sits far lower at #124 of 212.
Buy the RSL (Rogersound Labs) Speedwoofer 10S MKII if the price is the priority over sound quality, or the Rythmik F12 if sound quality is the priority over the price.
Want more options? Browse the full Subwoofers rankings.
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Specifications Side By Side
| RSL (Rogersound Labs) Speedwoofer 10S MKII | Rythmik F12 | |
|---|---|---|
| Price | $499 | $1,439 |
| Ranked | #124 of 212 in Medium Home Subwoofers (30-75 lbs) | #21 of 212 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | ported, rear | sealed |
| Output SPL at 15 Hz | 89.0 dB | - |
| Output SPL at 20 Hz | 100.0 dB | 103.6 dB |
| Output SPL at 25 Hz | 105.0 dB | 106.7 dB |
| Output SPL at 31.5 Hz | 107.7 dB | 113.5 dB |
| Output SPL at 40 Hz | 110.3 dB | 118.3 dB |
| Output SPL at 50 Hz | 112.9 dB | 119.1 dB |
| Output SPL at 63 Hz | 113.0 dB | 120.4 dB |
| Output SPL at 80 Hz | 112.1 dB | 119.6 dB |
| Output SPL at 100 Hz | 111.4 dB | - |
| Output SPL at 125 Hz | 110.7 dB | - |
| CEA-2010-A Average (40-80Hz) | 112.1 dB | 119.3 dB |
| Dimensions | 15.5”H x 15”W x 15.7”D (393.7 x 381.0 x 400.0 mm) | 15.7”H x 15.7”W x 17”D (400.0 x 400.0 x 431.8 mm) |
| Weight | 40.6 lbs (18.4 kg) | 75 lbs (34.0 kg) |
| Cabinet Color | black, white | black |
| Country | United States | United States |
| Measurement Source | Audioholics | Brent Butterworth |
| Amplifier Power | 400W RMS | 370W RMS |
| Frequency Response | 21-200Hz | 14Hz extension |
| Drivers | 10” (254mm) driver | 12” (305mm) driver |
| Warranty | 5/2 | 5/3 |
| Output SPL at 16 Hz | - | 101.0 dB |
| Inputs | - | XLR (2), RCA (line/LFE) |
| XLR Input | - | Yes |
| RCA Input | - | Yes |
| TRS Input | - | No |
| Optical Input | - | No |
| Coaxial Input | - | No |
| USB Input | - | No |
| HDMI Input | - | No |
| AES Input | - | No |
| Aux Input | - | No |
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