Short answer: the Monoprice Monolith M-10 V2, if you are buying new. The Power Sound Audio (PSA) XS15SE ranks higher than it (#30 vs #161 of 212 subwoofers, 3.9/5 vs 3.4/5) but is discontinued, so only consider it used; the Monoprice Monolith M-10 V2 is still sold new at $728.44.
The case for the Monoprice Monolith M-10 V2: A THX certified 10 inch ported subwoofer with a heavy cabinet, balanced inputs and two EQ modes. The tradeoff: The output figures come from the manufacturer rather than an independent lab.
The Power Sound Audio (PSA) XS15SE is the better-sounding pick. A compact sealed 15 inch subwoofer with strong output for movies and music, now discontinued. Watch for: At 67 lbs (30.4 kg) and 495.3H x 431.8W x 457.2D mm it is heavy and sizeable even though it is sealed.
Buy the Monoprice Monolith M-10 V2 if you want one new; the Power Sound Audio (PSA) XS15SE is discontinued, so only look for it used.
Still deciding? The full Subwoofers rankings cover every ranked option.
A THX certified 10 inch ported subwoofer with a heavy cabinet, balanced inputs and two EQ modes.
A compact sealed 15 inch subwoofer with strong output for movies and music, now discontinued.
Prices on this page were last checked October 29, 2026 at 4:42 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
| Monoprice Monolith M-10 V2 | Power Sound Audio (PSA) XS15SE | |
|---|---|---|
| Price | $728.44 | $1,499 Discontinued |
| Ranked | #161 of 212 in Medium Home Subwoofers (30-75 lbs) | #30 of 212 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | ported, front | sealed |
| Output SPL at 15 Hz | 93.9 dB | 96.5 dB |
| Output SPL at 20 Hz | 104.8 dB | 100.6 dB |
| Output SPL at 25 Hz | 108.5 dB | 107.2 dB |
| Output SPL at 31.5 Hz | 109.3 dB | 110.6 dB |
| Output SPL at 40 Hz | 109.7 dB | 114.7 dB |
| Output SPL at 50 Hz | 110.1 dB | 117.9 dB |
| Output SPL at 63 Hz | 110.6 dB | 119.1 dB |
| Output SPL at 80 Hz | 110.9 dB | 119.4 dB |
| Output SPL at 100 Hz | 111.2 dB | 119.3 dB |
| Output SPL at 125 Hz | 111.5 dB | 118.6 dB |
| CEA-2010-A Average (40-80Hz) | 110.3 dB | 117.8 dB |
| Dimensions | 20.9”H x 15”W x 18.9”D (530.9 x 381.0 x 480.1 mm) | 19.5”H x 17”W x 18”D (495.3 x 431.8 x 457.2 mm) |
| Weight | 72.5 lbs (32.9 kg) | 67 lbs (30.4 kg) |
| Warranty | 5 | 5 |
| Cabinet Color | black | - |
| Country | United States | United States |
| Measurement Source | Manufacturer | Data-bass |
| Amplifier Power | 500W RMS | 550W RMS / 1650W peak |
| Frequency Response | 17-20Hz | 23-200Hz, ±3dB |
| Drivers | 10” (254mm) driver | 15” (381mm) driver |
| Inputs | XLR, RCA, XLR passthrough out | - |
| 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 12.5 Hz | - | 91.9 dB |
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