Short answer: the HSU Research ULS-15 MK2 for output, the Monoprice SSW-10 for a slim sealed box. The SSW-10 is a 10-inch ultra-slim sealed sub, just 7” tall, with 150W RMS and 108.2dB average, and it costs $756.01 less. The ULS-15 MK2’s sealed design delivers tight, accurate bass with low bloat.
Buy the HSU Research ULS-15 MK2 if sound quality is the priority over the price, or the Monoprice SSW-10 if the price is the priority over sound quality.
Looking for alternatives? See the complete Subwoofers rankings.
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Specifications Side By Side
| HSU Research ULS-15 MK2 | Monoprice SSW-10 | |
|---|---|---|
| Price | $999.00 | $242.99 |
| Ranked | #4 of 212 in Medium Home Subwoofers (30-75 lbs) | #98 of 212 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | sealed | sealed |
| Output SPL at 12.5 Hz | 93.7 dB | - |
| Output SPL at 15 Hz | 98.0 dB | - |
| Output SPL at 20 Hz | 102.4 dB | 76.8 dB |
| Output SPL at 25 Hz | 107.7 dB | 85.2 dB |
| Output SPL at 31.5 Hz | 113.4 dB | 96.8 dB |
| Output SPL at 40 Hz | 118.3 dB | 105.7 dB |
| Output SPL at 50 Hz | 120.8 dB | 110.7 dB |
| Output SPL at 63 Hz | 121.2 dB | 118.4 dB |
| Output SPL at 80 Hz | 121.1 dB | 122.1 dB |
| Output SPL at 100 Hz | 120.7 dB | - |
| Output SPL at 125 Hz | 120.7 dB | - |
| CEA-2010-A Average (40-80Hz) | 120.3 dB | 114.2 dB |
| Dimensions | 19”H x 18”W x 19.5”D (482.6 x 457.2 x 495.3 mm) | 7”H x 25”W x 15.7”D (177.8 x 635.0 x 398.8 mm) |
| Weight | 65 lbs (29.5 kg) | 30 lbs (13.6 kg) |
| Warranty | 7/2(+3) | 1 |
| Cabinet Color | black, wood | black |
| Country | United States | United States |
| Measurement Source | Audioholics | Brent Butterworth |
| Frequency Response | 20-200Hz, ±1dB | 25Hz+ |
| Amplifier Power | 600W RMS / 2000W peak | 150W RMS |
| Crossover Frequency | 30-90Hz adjustable | - |
| Phase Control | 0°-180° | - |
| Features | Q control, sealed subwoofer, EQ1/EQ2 modes | - |
| Drivers | 15” (381mm) driver | 10” (254mm) driver |
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