Short answer: the Monoprice SSW-10. It ranks #107 of 137 subwoofers at $189.99; the Kef KC62 ranks #137 and costs $1519.99, so there is not much of a tradeoff to weigh.
The case for the Kef KC62: Dual 6.5-inch force-canceling drivers with 1000W in ultra-compact basketball-sized sealed enclosure.
What the Monoprice SSW-10 gets right: 10-inch ultra-slim sealed (7” height) with 150W RMS, 108.2dB average.
Buy the Kef KC62 if the price matters more than the ranking. Buy the Monoprice SSW-10 if the ranking matters more than the price.
Specifications Side By Side
| Kef KC62 | Monoprice SSW-10 | |
|---|---|---|
| Price | $1,519.99 | $189.99 |
| Ranked | #137 of 137 in Medium Powered Home Subwoofers (30-75 lbs) | #107 of 137 in Medium Powered Home Subwoofers (30-75 lbs) |
| Enclosure | sealed | sealed |
| Output SPL at 20 Hz | 80.0 dB | 70.8 dB |
| Output SPL at 25 Hz | 84.6 dB | 79.2 dB |
| Output SPL at 31.5 Hz | 88.5 dB | 90.8 dB |
| Output SPL at 40 Hz | 92.2 dB | 99.7 dB |
| Output SPL at 50 Hz | 95.1 dB | 104.7 dB |
| Output SPL at 63 Hz | 97.7 dB | 112.4 dB |
| Output SPL at 80 Hz | 102.6 dB | 116.1 dB |
| Output SPL at 100 Hz | 104.2 dB | - |
| CEA-2010-A Average (40-80Hz) | 96.9 dB | 108.2 dB |
| Dimensions | 9.68"H x 10.07"W x 9.76"D (245.9 x 255.8 x 247.9 mm) | 7.0"H x 25.0"W x 15.7"D (177.8 x 635.0 x 398.8 mm) |
| Weight | 30.9 lbs / 14.0 kg | 30 lbs / 13.6 kg |
| Warranty | 5/2/5 | 1 |
| Cabinet Color | black, white | black |
| Country | United Kingdom | United States |
| Measurement Source | ErinsAudioCorner | Brent Butterworth |
| Power Output (Watts) | 1000W RMS | 150W RMS |
| Frequency Response | 11-200Hz | 25Hz+ |
| Drivers | 2x 6.5" (165mm) driver | 10" (254mm) driver |
The Two Speakers In Full
Kef KC62: $1,519.99 Amazon
Pros: Dual 6.5-inch force-canceling drivers with 1000W in ultra-compact basketball-sized sealed enclosure. Deep extension to 11Hz with five room placement EQ presets. Elegant design fits any décor.
| CEA-2010-A Average (40-80Hz) | 96.9 dB |
|---|---|
| Cabinet Color | black, white |
| Country | United Kingdom |
| Dimensions | 9.68"H x 10.07"W x 9.76"D (245.9 x 255.8 x 247.9 mm) |
| Drivers | 2x 6.5" (165mm) driver |
| Enclosure | sealed |
| Frequency Response | 11-200Hz |
| Measurement Source | ErinsAudioCorner |
| Output SPL at 20 Hz | 80.0 dB |
| Output SPL at 25 Hz | 84.6 dB |
| Output SPL at 31.5 Hz | 88.5 dB |
| Output SPL at 40 Hz | 92.2 dB |
| Output SPL at 50 Hz | 95.1 dB |
| Output SPL at 63 Hz | 97.7 dB |
| Output SPL at 80 Hz | 102.6 dB |
| Output SPL at 100 Hz | 104.2 dB |
| Power Output (Watts) | 1000W RMS |
| Warranty | 5/2/5 |
| Weight | 30.9 lbs / 14.0 kg |
- Head-to-Head Comparisons
- Links
Monoprice SSW-10: $189.99 Amazon
Pros: 10-inch ultra-slim sealed (7” height) with 150W RMS, 108.2dB average. Hidden under furniture or placement flexibility. Compact design at $189 price. Decent output for slim profile.
Notes: Product # 33830, low profile (<8in)
| CEA-2010-A Average (40-80Hz) | 108.2 dB |
|---|---|
| Cabinet Color | black |
| Country | United States |
| Dimensions | 7.0"H x 25.0"W x 15.7"D (177.8 x 635.0 x 398.8 mm) |
| Drivers | 10" (254mm) driver |
| Enclosure | sealed |
| Frequency Response | 25Hz+ |
| Measurement Source | Brent Butterworth |
| Output SPL at 20 Hz | 70.8 dB |
| Output SPL at 25 Hz | 79.2 dB |
| Output SPL at 31.5 Hz | 90.8 dB |
| Output SPL at 40 Hz | 99.7 dB |
| Output SPL at 50 Hz | 104.7 dB |
| Output SPL at 63 Hz | 112.4 dB |
| Output SPL at 80 Hz | 116.1 dB |
| Power Output (Watts) | 150W RMS |
| Warranty | 1 |
| Weight | 30 lbs / 13.6 kg |
- Head-to-Head Comparisons
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- Monoprice SSW-10 vs Rythmik F12
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- See all 12 comparisons
- Links
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Product prices and availability were last checked August 9, 2026 at 6:57 AM UTC 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.