The BK Electronics Extreme ranks #106 out of 110 total Large Home Subwoofers (Over 75 lbs) for sound quality. See all Subwoofers rankings for every top pick.
Brand: BK Electronics
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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#106 BK Electronics Extreme: $5995 eBay
Pros: Massive 15-inch with 1000W RMS delivers startling speed like fast car with powerful engine. Continuous 0-180 degree phase control for flexible system integration. Beautiful compact design aids placement in listening room.
How it compares: Just above it: Genelec HTS4B - $3000 cheaper. Just below it: BK Electronics Monolith-DF - $3000 more, 2.1dB less max output.
| Amplifier Power | 1000W RMS |
|---|---|
| CEA-2010-A Average (40-80Hz) | 110.5 dB |
| Country | United Kingdom |
| Drivers | 15" (381mm) driver |
| Frequency Response | Not specified |
| Measurement Source | Ilkka Rissanen |
| Output SPL at 15 Hz | 92.8 dB |
| Output SPL at 20 Hz | 100.7 dB |
| Output SPL at 25 Hz | 106.6 dB |
| Output SPL at 31.5 Hz | 110.7 dB |
| Output SPL at 40 Hz | 111.4 dB |
| Output SPL at 50 Hz | 111.1 dB |
| Output SPL at 63 Hz | 110.5 dB |
| Output SPL at 80 Hz | 109.0 dB |
| Weight | 200.6 lbs (91 kg) |
- Reviews, Comparisons and Sound Samples
- Independently measured by Ilkka Rissanen; the published figures above come from this ASR subwoofer measurement thread.