Short answer: the Monoprice SW-12, on both output and price. It is a 12-inch ported sub with 400W RMS (600W peak) that hits hard with clean tight transients, and its 112.3 dB output figure beats the Polk’s 110.3 dB, at $364.99 against $249 for the PSW10. The Polk counters with a 10-inch Dynamic Balance driver and only a 100W peak Class D amp.
Buy the Monoprice SW-12. It is rated higher for sound quality and still sold new, while the Polk Audio PSW10 is discontinued.
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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
| Monoprice SW-12 | Polk Audio PSW10 | |
|---|---|---|
| Price | $364.99 | $249.00 Discontinued |
| Ranked | #6 of 212 in Medium Home Subwoofers (30-75 lbs) | #23 of 73 in Small Home Subwoofers (Under 30 lbs) |
| Enclosure | ported, bottom | ported, front |
| Output SPL at 20 Hz | 102.7 dB | - |
| Output SPL at 25 Hz | 111.1 dB | - |
| Output SPL at 31.5 Hz | 115.2 dB | 96.1 dB |
| Output SPL at 40 Hz | 119.0 dB | 104.7 dB |
| Output SPL at 50 Hz | 119.7 dB | 109.7 dB |
| Output SPL at 63 Hz | 122.9 dB | 113.8 dB |
| Output SPL at 80 Hz | 123.0 dB | 113.1 dB |
| CEA-2010-A Average (40-80Hz) | 121.2 dB | 110.3 dB |
| Dimensions | 14.9”H x 18.3”W x 19.1”D (378.5 x 464.8 x 485.1 mm) | 14.4”H x 14”W x 16.1”D (365.0 x 355.6 x 409.4 mm) |
| Weight | 50.7 lbs (23.0 kg) | 26 lbs (11.8 kg) |
| Warranty | 1 | 5/3 |
| Cabinet Color | black | black |
| Country | United States | United States |
| Measurement Source | Brent Butterworth | ErinsAudioCorner |
| Frequency Response | 35-150Hz, -10dB | - |
| Amplifier Power | 400W RMS / 600W peak | - |
| Drivers | 12” (305mm) driver | 10” (254mm) driver |
| Output SPL at 16 Hz | 90.6 dB | - |
| Output SPL at 100 Hz | - | 112.2 dB |
| Output SPL at 125 Hz | - | 110.7 dB |
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