The RBH Sound SX-12 ranks #30 out of 137 total Medium Powered Home Subwoofers (30–75 lbs) for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.
#30 RBH Sound SX-12: $1099
Pros: 12-inch aluminum-cone ported with 350W RMS earns Large-room Bassaholic rating. Excellent musical performance with refined high-fidelity characteristics. Graceful side panel curves reduce standing waves. Impressive power without sacrificing musicality.
Cons: Discontinued.
How it compares: Just above it: Arendal 1961 Subwoofer 1S - $99 cheaper. Just below it: HSU Research VTF-3 MK4 - $200 more.
| CEA-2010-A Average (40-80Hz) | 115.4 dB |
|---|---|
| Country | United States |
| Dimensions | 19.62"H x 17.7"W x 21.12"D (498.3 x 449.6 x 536.4 mm) |
| Discontinued | Yes |
| Driver | 12" (305mm) driver |
| Driver(s) | (1) 10 inch |
| Enclosure | ported, bottom |
| Frequency Response | 27Hz (flat) |
| Measurement Source | Audioholics |
| Output SPL at 20 Hz | 90.7 dB |
| Output SPL at 25 Hz | 101.0 dB |
| Output SPL at 31.5 Hz | 111.0 dB |
| Output SPL at 40 Hz | 114.1 dB |
| Output SPL at 50 Hz | 116.7 dB |
| Output SPL at 63 Hz | 115.7 dB |
| Output SPL at 80 Hz | 115.1 dB |
| Output SPL at 100 Hz | 114.7 dB |
| Output SPL at 125 Hz | 114.6 dB |
| Power Output (Watts) | 350W RMS |
| Warranty | 5/1(+5/+3) |
| Weight | 52.9 lbs / 24.0 kg |
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Product prices and availability were last checked July 31, 2026 at 5:30 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.