Short answer: the Monoprice SW-15 for room-filling value, the JTR Captivator 212PRO for premium output. The SW-15 is a 15-inch ported sub with 600W RMS and 800W peak rated for large rooms, but its design is budget tier and it depends on ported room gain with limited dynamic headroom. The JTR’s dual 12-inch ported cabinet and 1200W DSP amp cost $2,799 against $499.99.
Buy the JTR Speakers Captivator 212PRO if sound quality matters more than the price. Buy the Monoprice SW-15 if the price matters more than sound quality.
Want more options? Browse the full Subwoofers rankings.
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Specifications Side By Side
| JTR Speakers Captivator 212PRO | Monoprice SW-15 | |
|---|---|---|
| Price | $2,799 each | $499.99 |
| Ranked | #1 of 212 in Medium Home Subwoofers (30-75 lbs) | #14 of 212 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | ported, front | ported, bottom |
| Output SPL at 25 Hz | 95.4 dB | 106.3 dB |
| Output SPL at 31.5 Hz | 112.2 dB | 111.2 dB |
| Output SPL at 40 Hz | 122.7 dB | 116.0 dB |
| Output SPL at 50 Hz | 129.2 dB | 120.2 dB |
| Output SPL at 63 Hz | 131.3 dB | 120.5 dB |
| Output SPL at 80 Hz | 133.2 dB | 119.5 dB |
| Output SPL at 100 Hz | 134.6 dB | - |
| Output SPL at 125 Hz | 135.2 dB | - |
| CEA-2010-A Average (40-80Hz) | 129.1 dB | 119.0 dB |
| Dimensions | 16”H x 30”W x 22.5”D (406.4 x 762.0 x 571.5 mm) | 18.1”H x 21”W x 22.7”D (459.7 x 533.4 x 576.6 mm) |
| Weight | 71 lbs (32.2 kg) | 66.1 lbs (30.0 kg) |
| Warranty | 5/3 | 1 |
| Cabinet Color | black | black |
| Country | United States | United States |
| Measurement Source | Data-bass | Audioholics |
| Amplifier Power | 1200W RMS; Class D with DSP | 600W RMS / 800W peak |
| Inputs | XLR and RCA | Stereo line level and speaker level |
| Drivers | 2x 12” (305mm) drivers | 15” (381mm) driver |
| 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 | - |
| Output SPL at 15 Hz | - | 90.0 dB |
| Output SPL at 20 Hz | - | 101.2 dB |
| Frequency Response | - | 30-150Hz (-10dB) |
| Crossover Frequency | - | 40-150Hz, 18dB/octave |
| Phase Control | - | 0° or 180° |
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