Short answer: the Monoprice SW-15 on measured sound quality, the RSL (Rogersound Labs) Speedwoofer 10S on price. The Monoprice SW-15 ranks #13 of 145 subwoofers at $374.99. The RSL (Rogersound Labs) Speedwoofer 10S ranks #114 at $349, $25.99 cheaper.
What the Monoprice SW-15 offers: 15-inch ported with 600W RMS (800W peak) delivers Large-room Bassaholic rating. Unrivaled mid-bass punch for $375. Strong output with clean control. Dual speaker-level inputs and 40-150Hz crossover for flexible hookup. Watch for: Budget-tier design, ported room gain dependency, 30 kg mid-size, and limited dynamic headroom.
What the RSL (Rogersound Labs) Speedwoofer 10S offers: 10-inch ported with 350W RMS delivers tight articulate music and satisfying movie bass. Cast-aluminum frame with Compression Guide tuning technology. Well-braced cabinet. Built-in wireless receiver ready. Exceptional 10-inch performance at $349. Watch for: No detailed measurement caveats are currently recorded.
Buy the Monoprice SW-15 when sound quality outweighs the price for you, and the RSL (Rogersound Labs) Speedwoofer 10S when the price outweighs sound quality instead.
Skip the RSL (Rogersound Labs) Speedwoofer 10S if sound quality matters to you. It ranks near the bottom of the 145 subwoofers.
Looking for alternatives? See the complete Subwoofers rankings.
Specifications Side By Side
| Monoprice SW-15 | RSL (Rogersound Labs) Speedwoofer 10S | |
|---|---|---|
| Price | $374.99 | $349 |
| Ranked | #13 of 145 in Medium Home Subwoofers (30-75 lbs) | #114 of 145 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | ported, bottom | ported, front |
| Output SPL at 15 Hz | 90.0 dB | - |
| Output SPL at 20 Hz | 101.2 dB | 95.5 dB |
| Output SPL at 25 Hz | 106.3 dB | 101.2 dB |
| Output SPL at 31.5 Hz | 111.2 dB | 105.2 dB |
| Output SPL at 40 Hz | 116.0 dB | 107.0 dB |
| Output SPL at 50 Hz | 120.2 dB | 109.9 dB |
| Output SPL at 63 Hz | 120.5 dB | 111.1 dB |
| Output SPL at 80 Hz | 119.5 dB | 110.5 dB |
| CEA-2010-A Average (40-80Hz) | 119.0 dB | 109.6 dB |
| Dimensions | 18.1"H x 21"W x 22.7"D (459.7 x 533.4 x 576.6 mm) | 16"H x 15"W x 16.7"D (406.4 x 381.0 x 425.4 mm) |
| Weight | 66.1 lbs (30.0 kg) | 45 lbs (20.4 kg) |
| Warranty | 1 | 2 |
| Cabinet Color | black | black |
| Country | United States | United States |
| Measurement Source | Audioholics | Brent Butterworth |
| Frequency Response | 30-150Hz (-10dB) | 24-200Hz |
| Amplifier Power | 600W RMS / 800W peak | 350W RMS |
| Crossover Frequency | 40-150Hz, 18dB/octave | - |
| Phase Control | 0° or 180° | - |
| Inputs | Stereo line level and speaker level | - |
| Drivers | 15" (381mm) driver | 10" (254mm) driver |
Related Speaker Comparisons
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- MartinLogan Dynamo 1600X vs Monoprice SW-15
- HSU Research ULS-15 MK2 vs Monoprice SW-15
- Monoprice SW-15 vs PSB Speakers SubSeries 450
- Monoprice SW-12 vs Monoprice SW-15
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
Monoprice SW-15: $374.99 Amazon eBay
Pros: 15-inch ported with 600W RMS (800W peak) delivers Large-room Bassaholic rating. Unrivaled mid-bass punch for $375. Strong output with clean control. Dual speaker-level inputs and 40-150Hz crossover for flexible hookup.
Cons: Budget-tier design, ported room gain dependency, 30 kg mid-size, and limited dynamic headroom.
Notes: Product # 41499
Full Monoprice SW-15 review and specifications →
| Amplifier Power | 600W RMS / 800W peak |
|---|---|
| CEA-2010-A Average (40-80Hz) | 119.0 dB |
| Cabinet Color | black |
| Country | United States |
| Crossover Frequency | 40-150Hz, 18dB/octave |
| Dimensions | 18.1"H x 21"W x 22.7"D (459.7 x 533.4 x 576.6 mm) |
| Drivers | 15" (381mm) driver |
| Enclosure | ported, bottom |
| Frequency Response | 30-150Hz (-10dB) |
| Inputs | Stereo line level and speaker level |
| Measurement Source | Audioholics |
| Output SPL at 15 Hz | 90.0 dB |
| Output SPL at 20 Hz | 101.2 dB |
| Output SPL at 25 Hz | 106.3 dB |
| Output SPL at 31.5 Hz | 111.2 dB |
| Output SPL at 40 Hz | 116.0 dB |
| Output SPL at 50 Hz | 120.2 dB |
| Output SPL at 63 Hz | 120.5 dB |
| Output SPL at 80 Hz | 119.5 dB |
| Phase Control | 0° or 180° |
| Warranty | 1 |
| Weight | 66.1 lbs (30.0 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
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- Monoprice SW-15 vs Power Sound Audio (PSA) XV15-BASE
- Monoprice SW-15 vs Paradigm Defiance X12
- Monoprice SW-15 vs Power Sound Audio (PSA) XS15-BASE
- Monoprice SW-15 vs Power Sound Audio (PSA) XV15
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RSL (Rogersound Labs) Speedwoofer 10S: $349 eBay
Pros: 10-inch ported with 350W RMS delivers tight articulate music and satisfying movie bass. Cast-aluminum frame with Compression Guide tuning technology. Well-braced cabinet. Built-in wireless receiver ready. Exceptional 10-inch performance at $349.
Full RSL (Rogersound Labs) Speedwoofer 10S review and specifications →
| Amplifier Power | 350W RMS |
|---|---|
| CEA-2010-A Average (40-80Hz) | 109.6 dB |
| Cabinet Color | black |
| Country | United States |
| Dimensions | 16"H x 15"W x 16.7"D (406.4 x 381.0 x 425.4 mm) |
| Drivers | 10" (254mm) driver |
| Enclosure | ported, front |
| Frequency Response | 24-200Hz |
| Measurement Source | Brent Butterworth |
| Output SPL at 20 Hz | 95.5 dB |
| Output SPL at 25 Hz | 101.2 dB |
| Output SPL at 31.5 Hz | 105.2 dB |
| Output SPL at 40 Hz | 107.0 dB |
| Output SPL at 50 Hz | 109.9 dB |
| Output SPL at 63 Hz | 111.1 dB |
| Output SPL at 80 Hz | 110.5 dB |
| Warranty | 2 |
| Weight | 45 lbs (20.4 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Independently measured by Brent Butterworth; the published figures above come from this ASR subwoofer measurement thread.