The BK Electronics Monolith-DF ranks #94 out of 97 total Large Powered Home Subwoofers (Over 75 lbs) for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.
#94 BK Electronics Monolith-DF: $8995
How it compares: Just above it: Genelec HTS4B - $6000 cheaper, 1.9dB more max output. Just below it: SVS SB13-Plus - $7596 cheaper.
| CEA-2010-A Average (40-80Hz) | 108.4 dB |
|---|---|
| Cabinet Color | black, wood |
| Country | United Kingdom |
| Dimensions | 23.77"H x 21.25"W x 16.53"D (603.8 x 539.8 x 419.9 mm) |
| Driver | 18" (457mm) driver with ported design |
| Driver(s) | (1) 12 inch |
| Enclosure | ported, bottom |
| Measurement Source | Ilkka Rissanen |
| Output SPL at 15 Hz | 91.3 dB |
| Output SPL at 20 Hz | 102.0 dB |
| Output SPL at 25 Hz | 106.4 dB |
| Output SPL at 31.5 Hz | 108.3 dB |
| Output SPL at 40 Hz | 108.6 dB |
| Output SPL at 50 Hz | 108.7 dB |
| Output SPL at 63 Hz | 108.6 dB |
| Output SPL at 80 Hz | 107.7 dB |
| Warranty | 2 |
| Weight | 103.2 lbs / 46.8 kg |
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Product prices and availability were last checked July 28, 2026 at 2:23 PM 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.