Short answer: the SVS PB-5000 R-Evolution, if you are buying new. The SVS PB-4000 ranks higher than the Rythmik F18 (#69 vs #85 of 143 subwoofers) but is discontinued; its replacement, the SVS PB-5000 R-Evolution, is rated 4.2/5 at $2,399 and is still sold new.
Buy the SVS PB-5000 R-Evolution, the replacement for the discontinued SVS PB-4000; it is rated higher for sound quality than the Rythmik F18.
Still deciding? The full Subwoofers rankings cover every ranked option.
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Specifications Side By Side
| Rythmik F18 | SVS PB-4000 | |
|---|---|---|
| Price | $2,344 | $2,158.97 Discontinued |
| Ranked | #85 of 143 in Large Home Subwoofers (Over 75 lbs) | #69 of 143 in Large Home Subwoofers (Over 75 lbs) |
| Enclosure | sealed | ported, front |
| Output SPL at 10 Hz | 93.7 dB | - |
| Output SPL at 12.5 Hz | 97.4 dB | - |
| Output SPL at 15 Hz | 102.0 dB | 102.1 dB |
| Output SPL at 20 Hz | 106.2 dB | 115.3 dB |
| Output SPL at 25 Hz | 110.9 dB | 116.3 dB |
| Output SPL at 31.5 Hz | 114.3 dB | 117.8 dB |
| Output SPL at 40 Hz | 117.1 dB | 119.8 dB |
| Output SPL at 50 Hz | 119.1 dB | 121.7 dB |
| Output SPL at 63 Hz | 120.5 dB | 120.7 dB |
| Output SPL at 80 Hz | 121.2 dB | 119.2 dB |
| Output SPL at 100 Hz | 121.4 dB | 118.1 dB |
| Output SPL at 125 Hz | 121.4 dB | 117.5 dB |
| CEA-2010-A Average (40-80Hz) | 119.5 dB | 120.3 dB |
| Dimensions | 20.5”H x 20.5”W x 21”D (520.7 x 520.7 x 533.4 mm) | 23.4”H x 20.5”W x 27.7”D (594.4 x 520.7 x 703.6 mm) |
| Weight | 115.1 lbs (52.2 kg) | 153.2 lbs (69.5 kg) |
| Warranty | 5/3 | 5 |
| Cabinet Color | black | black |
| Country | United States | United States |
| Measurement Source | Data-bass | Audioholics |
| Drivers | 18” (457mm) driver | 13.5” (343mm) driver with ported design |
| Inputs | XLR (2), RCA (line/LFE) | XLR (balanced), RCA (LFE/stereo) |
| XLR Input | Yes | Yes |
| RCA Input | Yes | Yes |
| TRS Input | No | No |
| Optical Input | No | No |
| Coaxial Input | No | No |
| USB Input | No | No |
| HDMI Input | No | No |
| AES Input | No | No |
| Aux Input | No | No |
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