Short answer: the RSL (Rogersound Labs) Speedwoofer 10E. It ranks #127 of 145 subwoofers by sound quality (rated 3.3/5); the BK Electronics XLS200-DF MK2 ranks #134 (rated 3.2/5).
The case for the RSL (Rogersound Labs) Speedwoofer 10E: Independent CEA-2010 testing records 94.0 dB at 20 Hz and 107.3 dB through 40-80 Hz. Watch for: The boxy cabinet skips the rounded edges of pricier subs in the lineup.
What the BK Electronics XLS200-DF MK2 does well: Compact sealed 10-inch with 275W delivers deep extension and bogglingly potent output for size.
Buy the RSL (Rogersound Labs) Speedwoofer 10E. It is rated higher for sound quality than the BK Electronics XLS200-DF MK2.
Looking for alternatives? See the complete Subwoofers rankings.
Specifications Side By Side
| RSL (Rogersound Labs) Speedwoofer 10E | BK Electronics XLS200-DF MK2 | |
|---|---|---|
| Price | $339.34 | $501.33 |
| Ranked | #127 of 145 in Medium Home Subwoofers (30-75 lbs) | #134 of 145 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | ported, rear | sealed |
| Output SPL at 20 Hz | 94.0 dB | 89.3 dB |
| Output SPL at 25 Hz | 98.4 dB | 94.6 dB |
| Output SPL at 31.5 Hz | 101.0 dB | 99.4 dB |
| Output SPL at 40 Hz | 105.6 dB | 103.1 dB |
| Output SPL at 50 Hz | 108.2 dB | 105.4 dB |
| Output SPL at 63 Hz | 108.1 dB | 106.9 dB |
| Output SPL at 80 Hz | 107.2 dB | 107.5 dB |
| Output SPL at 100 Hz | 106.2 dB | - |
| Output SPL at 125 Hz | 105.2 dB | - |
| CEA-2010-A Average (40-80Hz) | 107.3 dB | 105.7 dB |
| Dimensions | 15.5”H x 15”W x 15.8”D (393.7 x 381.0 x 400.1 mm) | 14”H x 11.4”W x 13.4”D (354.8 x 289.8 x 339.9 mm) |
| Weight | 39.9 lbs (18.1 kg) | 38.6 lbs (17.5 kg) |
| Country | United States | United Kingdom |
| Measurement Source | Audioholics | Ilkka Rissanen |
| Frequency Response | 26-200Hz, ±3dB | 17Hz -6dB+ |
| Amplifier Power | 300W RMS / 800W peak | 275W RMS |
| Drivers | 10” driver | 10” (254mm) driver |
| Output SPL at 15 Hz | - | 84.2 dB |
| Warranty | - | 2 |
| Cabinet Color | - | black, white, wood, grey |
Related Speaker Comparisons
More worthwhile head-to-heads for RSL (Rogersound Labs) Speedwoofer 10E:
- Monoprice SW-15 vs RSL (Rogersound Labs) Speedwoofer 10E
- BIC America F-12 vs RSL (Rogersound Labs) Speedwoofer 10E
- Klipsch R-12SW vs RSL (Rogersound Labs) Speedwoofer 10E
- RSL (Rogersound Labs) Speedwoofer 10E vs Bestisan SW65D
- Monoprice SW-15 vs BK Electronics XLS200-DF MK2
Prices on this page were last checked September 29, 2026 at 3:43 PM 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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The Two Speakers In Full
RSL (Rogersound Labs) Speedwoofer 10E: $339.34 RSL eBay
Pros: Independent CEA-2010 testing records 94.0 dB at 20 Hz and 107.3 dB through 40-80 Hz. The rear-vented, 3-chamber Compression Guide enclosure with 10” driver keeps composure at high drive levels for $339 shipped.
Cons: The boxy cabinet skips the rounded edges of pricier subs in the lineup.
Full RSL (Rogersound Labs) Speedwoofer 10E review and specifications →
| Amplifier Power | 300W RMS / 800W peak |
|---|---|
| CEA-2010-A Average (40-80Hz) | 107.3 dB |
| Country | United States |
| Dimensions | 15.5”H x 15”W x 15.8”D (393.7 x 381.0 x 400.1 mm) |
| Drivers | 10” driver |
| Enclosure | ported, rear |
| Frequency Response | 26-200Hz, ±3dB |
| Measurement Source | Audioholics |
| Output SPL at 20 Hz | 94.0 dB |
| Output SPL at 25 Hz | 98.4 dB |
| Output SPL at 31.5 Hz | 101.0 dB |
| Output SPL at 40 Hz | 105.6 dB |
| Output SPL at 50 Hz | 108.2 dB |
| Output SPL at 63 Hz | 108.1 dB |
| Output SPL at 80 Hz | 107.2 dB |
| Output SPL at 100 Hz | 106.2 dB |
| Output SPL at 125 Hz | 105.2 dB |
| Weight | 39.9 lbs (18.1 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Independently measured by Audioholics; the published figures above come from this ASR subwoofer measurement thread.
- Head-to-Head Comparisons
BK Electronics XLS200-DF MK2: $501.33 B&K Electronics eBay
Pros: Compact sealed 10-inch with 275W delivers deep extension and bogglingly potent output for size. Beautiful black ash finish with excellent build quality. Downward-firing design aids room integration and positioning.
Full BK Electronics XLS200-DF MK2 review and specifications →
| Amplifier Power | 275W RMS |
|---|---|
| CEA-2010-A Average (40-80Hz) | 105.7 dB |
| Cabinet Color | black, white, wood, grey |
| Country | United Kingdom |
| Dimensions | 14”H x 11.4”W x 13.4”D (354.8 x 289.8 x 339.9 mm) |
| Drivers | 10” (254mm) driver |
| Enclosure | sealed |
| Frequency Response | 17Hz -6dB+ |
| Measurement Source | Ilkka Rissanen |
| Output SPL at 15 Hz | 84.2 dB |
| Output SPL at 20 Hz | 89.3 dB |
| Output SPL at 25 Hz | 94.6 dB |
| Output SPL at 31.5 Hz | 99.4 dB |
| Output SPL at 40 Hz | 103.1 dB |
| Output SPL at 50 Hz | 105.4 dB |
| Output SPL at 63 Hz | 106.9 dB |
| Output SPL at 80 Hz | 107.5 dB |
| Warranty | 2 |
| Weight | 38.6 lbs (17.5 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Independently measured by Ilkka Rissanen; the published figures above come from this ASR subwoofer measurement thread.
- Head-to-Head Comparisons