The Q Acoustics Q B12 ranks #54 out of 145 total Medium Home Subwoofers (30-75 lbs) for sound quality. See all Subwoofers rankings for every top pick.
Brand: Q Acoustics
Prices on this page were last checked September 14, 2026 at 1:47 AM 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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#54 Q Acoustics Q B12: $664.90 eBay
Pros: Sealed 12-inch with 220W RMS sounds bigger and deeper with responsive speed for music and movies alike. Die-cast aluminum heat sink ensures efficient cooling. Sealed design offers placement flexibility in challenging rooms.
How it compares: Just above it: Polk Audio PSW 110 - $166 cheaper. Just below it: Dayton Audio SUB-1200 - $485 cheaper.
| Amplifier Power | 220W RMS |
|---|---|
| CEA-2010-A Average (40-80Hz) | 115.2 dB |
| Cabinet Color | black, white |
| Country | United Kingdom |
| Dimensions | 15.7"H x 15.7"W x 17.6"D (398.8 x 398.8 x 447.0 mm) |
| Drivers | 12" (305mm) driver |
| Enclosure | sealed |
| Frequency Response | 28-300Hz |
| Measurement Source | Brent Butterworth |
| Output SPL at 16 Hz | 95.2 dB |
| Output SPL at 20 Hz | 98.4 dB |
| Output SPL at 25 Hz | 104.9 dB |
| Output SPL at 31.5 Hz | 108.5 dB |
| Output SPL at 40 Hz | 111.4 dB |
| Output SPL at 50 Hz | 114.6 dB |
| Output SPL at 63 Hz | 117.1 dB |
| Output SPL at 80 Hz | 117.7 dB |
| Warranty | 2 |
| Weight | 47.4 lbs (21.5 kg) |
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- Independently measured by Brent Butterworth; the published figures above come from this ASR subwoofer measurement thread.