Short answer: the BIC America PL-300. It ranks #63 of 145 subwoofers by sound quality at $450; the RSL (Rogersound Labs) Speedwoofer 10S MKII ranks #87 and costs $499, so there is not much of a tradeoff to weigh.

What the RSL (Rogersound Labs) Speedwoofer 10S MKII offers: 10-inch ported with 400W RMS (1020W peak) XDR amplifier. DSP with dual modes (LFE mode for 22Hz extension, Music mode for tight response). Quick tight musical bass at excellent $449 price. Wireless receiver built-in. Watch for: No detailed measurement caveats are currently recorded.
What the BIC America PL-300 offers: 12-inch triple-ported variable tuning with 350W RMS offers unusually low 20Hz extension under $500. Three-port design delivers more output than single-port competitors. Beefy amp ensures distortion-free sound. Watch for: No detailed measurement caveats are currently recorded.
Buy the BIC America PL-300. It ranks higher for sound quality than the RSL (Rogersound Labs) Speedwoofer 10S MKII and costs less, so the other one has nothing left to offer.
Want more options? Browse the full Subwoofers rankings.
Specifications Side By Side
| RSL (Rogersound Labs) Speedwoofer 10S MKII | BIC America PL-300 | |
|---|---|---|
| Price | $450 | $450 |
| Ranked | #87 of 145 in Medium Home Subwoofers (30-75 lbs) | #63 of 145 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | ported, rear | ported, front |
| Output SPL at 15 Hz | 89.0 dB | - |
| Output SPL at 20 Hz | 100.0 dB | 96.6 dB |
| Output SPL at 25 Hz | 105.0 dB | 102.8 dB |
| Output SPL at 31.5 Hz | 107.7 dB | 109.2 dB |
| Output SPL at 40 Hz | 110.3 dB | 114.0 dB |
| Output SPL at 50 Hz | 112.9 dB | 116.3 dB |
| Output SPL at 63 Hz | 113.0 dB | 113.5 dB |
| Output SPL at 80 Hz | 112.1 dB | 110.9 dB |
| Output SPL at 100 Hz | 111.4 dB | 108.8 dB |
| Output SPL at 125 Hz | 110.7 dB | 106.8 dB |
| CEA-2010-A Average (40-80Hz) | 112.1 dB | 113.7 dB |
| Dimensions | 15.5"H x 15"W x 15.7"D (393.7 x 381.0 x 400.0 mm) | 18"H x 15.2"W x 18.7"D (457.2 x 387.3 x 476.2 mm) |
| Weight | 40.6 lbs (18.4 kg) | 48.1 lbs (21.8 kg) |
| Warranty | ? | 8/5 |
| Cabinet Color | black, white | black |
| Country | United States | United States |
| Measurement Source | Audioholics | Audioholics |
| Amplifier Power | 400W RMS | 350W RMS |
| Frequency Response | 21-200Hz | 15-200Hz |
| Drivers | 10" (254mm) driver | 12" (305mm) driver |
Related Speaker Comparisons
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- Monoprice SW-12 vs BIC America PL-300
- Monoprice SW-15 vs BIC America PL-300
- SVS SB-3000 vs BIC America PL-300
Prices on this page were last checked September 16, 2026 at 12:41 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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The Two Speakers In Full
RSL (Rogersound Labs) Speedwoofer 10S MKII: $450 RSL (Rogersound Labs) eBay
Pros: 10-inch ported with 400W RMS (1020W peak) XDR amplifier. DSP with dual modes (LFE mode for 22Hz extension, Music mode for tight response). Quick tight musical bass at excellent $449 price. Wireless receiver built-in.
Full RSL (Rogersound Labs) Speedwoofer 10S MKII review and specifications →
| Amplifier Power | 400W RMS |
|---|---|
| CEA-2010-A Average (40-80Hz) | 112.1 dB |
| Cabinet Color | black, white |
| Country | United States |
| Dimensions | 15.5"H x 15"W x 15.7"D (393.7 x 381.0 x 400.0 mm) |
| Drivers | 10" (254mm) driver |
| Enclosure | ported, rear |
| Frequency Response | 21-200Hz |
| Measurement Source | Audioholics |
| Output SPL at 15 Hz | 89.0 dB |
| Output SPL at 20 Hz | 100.0 dB |
| Output SPL at 25 Hz | 105.0 dB |
| Output SPL at 31.5 Hz | 107.7 dB |
| Output SPL at 40 Hz | 110.3 dB |
| Output SPL at 50 Hz | 112.9 dB |
| Output SPL at 63 Hz | 113.0 dB |
| Output SPL at 80 Hz | 112.1 dB |
| Output SPL at 100 Hz | 111.4 dB |
| Output SPL at 125 Hz | 110.7 dB |
| Warranty | ? |
| Weight | 40.6 lbs (18.4 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
- RSL (Rogersound Labs) Speedwoofer 10S MKII vs Klipsch R-121SW
- RSL (Rogersound Labs) Speedwoofer 10S MKII vs Monitor Audio RXW12
- RSL (Rogersound Labs) Speedwoofer 10S MKII vs Monoprice SSW-10
- RSL (Rogersound Labs) Speedwoofer 10S MKII vs Monoprice Monolith M-10 V2
- RSL (Rogersound Labs) Speedwoofer 10S MKII vs SVS PB-1000 PRO
- RSL (Rogersound Labs) Speedwoofer 10S MKII vs SVS SB-2000
- RSL (Rogersound Labs) Speedwoofer 10S MKII vs Kef KC62
- RSL (Rogersound Labs) Speedwoofer 10S MKII vs Power Sound Audio (PSA) XS15SE
- See all 17 comparisons
BIC America PL-300: $450 eBay
Pros: 12-inch triple-ported variable tuning with 350W RMS offers unusually low 20Hz extension under $500. Three-port design delivers more output than single-port competitors. Beefy amp ensures distortion-free sound.
Full BIC America PL-300 review and specifications →
| Amplifier Power | 350W RMS |
|---|---|
| CEA-2010-A Average (40-80Hz) | 113.7 dB |
| Cabinet Color | black |
| Country | United States |
| Dimensions | 18"H x 15.2"W x 18.7"D (457.2 x 387.3 x 476.2 mm) |
| Drivers | 12" (305mm) driver |
| Enclosure | ported, front |
| Frequency Response | 15-200Hz |
| Measurement Source | Audioholics |
| Output SPL at 20 Hz | 96.6 dB |
| Output SPL at 25 Hz | 102.8 dB |
| Output SPL at 31.5 Hz | 109.2 dB |
| Output SPL at 40 Hz | 114.0 dB |
| Output SPL at 50 Hz | 116.3 dB |
| Output SPL at 63 Hz | 113.5 dB |
| Output SPL at 80 Hz | 110.9 dB |
| Output SPL at 100 Hz | 108.8 dB |
| Output SPL at 125 Hz | 106.8 dB |
| Warranty | 8/5 |
| Weight | 48.1 lbs (21.8 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
- BIC America PL-300 vs Monoprice SSW-10
- BIC America PL-300 vs SVS PB-1000 PRO
- BIC America PL-300 vs SVS SB-2000
- BIC America PL-300 vs Monitor Audio RXW12
- BIC America PL-300 vs Rythmik F12
- BIC America PL-300 vs Klipsch SPL-120
- BIC America PL-300 vs SVS SB-3000
- BIC America PL-300 vs Monoprice SW-15
- See all 11 comparisons

