Short answer: the Monoprice Monolith M-215, if you are buying new. The JTR Speakers Orbit Shifter LFU ranks higher than it (#2 vs #24 of 143 subwoofers, 4.6/5 vs 4.4/5) but is discontinued, so only consider it used; the Monoprice Monolith M-215 is still sold new at $1,499.99.
Buy the Monoprice Monolith M-215 if you want one new; the JTR Speakers Orbit Shifter LFU is discontinued, so only look for it used.
Still deciding? The full Subwoofers rankings cover every ranked option.
Prices on this page were last checked November 7, 2026 at 7:34 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
| JTR Speakers Orbit Shifter LFU | Monoprice Monolith M-215 | |
|---|---|---|
| Price | $6,995 Discontinued | $1,499.99 |
| Ranked | #2 of 143 in Large Home Subwoofers (Over 75 lbs) | #24 of 143 in Large Home Subwoofers (Over 75 lbs) |
| Enclosure | ported, front | ported, front |
| Output SPL at 12.5 Hz | 96.5 dB | 103.9 dB |
| Output SPL at 15 Hz | 104.5 dB | 113.1 dB |
| Output SPL at 20 Hz | 118.6 dB | 118.9 dB |
| Output SPL at 25 Hz | 125.5 dB | 122.6 dB |
| Output SPL at 31.5 Hz | 128.0 dB | 125.2 dB |
| Output SPL at 40 Hz | 131.1 dB | 126.4 dB |
| Output SPL at 50 Hz | 132.1 dB | 126.1 dB |
| Output SPL at 63 Hz | 134.4 dB | 125.6 dB |
| Output SPL at 80 Hz | 137.8 dB | 125.6 dB |
| Output SPL at 100 Hz | 139.7 dB | 125.7 dB |
| Output SPL at 125 Hz | 138.0 dB | 126.3 dB |
| CEA-2010-A Average (40-80Hz) | 133.8 dB | 125.9 dB |
| Dimensions | 22.5”H x 50”W x 36”D (571.5 x 1270.0 x 914.4 mm) | 42.3”H x 20”W x 27.6”D (1074.4 x 508.0 x 701.0 mm) |
| Country | United States | United States |
| Measurement Source | Data-bass | Brent Butterworth |
| Weight | 177 lbs (80.3 kg) | 216.1 lbs (98.0 kg) |
| Drivers | 18” (457mm) driver | 2x 15” (381mm) drivers |
| Warranty | 5 years | 5 |
| Cabinet Color | - | black |
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