Short answer: the SVS PB-4000 for better sound quality, the RSL (Rogersound Labs) Speedwoofer 12S for the lower price. The SVS PB-4000 ranks #62 of 110 subwoofers at $2158.97. The RSL (Rogersound Labs) Speedwoofer 12S ranks #98 at $800, $1358.97 cheaper.
What the RSL (Rogersound Labs) Speedwoofer 12S offers: Independent CEA-2010 testing records 109.3 dB at 20 Hz and 113.2 dB through 40-80 Hz. The ported, rear enclosure with 12” (305mm) driver has the headroom for demanding film bass in a large room. Watch for: The 565.1H x 479.4W x 562.0D mm cabinet and 37.2 kg mass make this a serious placement and moving commitment. Ported output does not solve room modes, so careful placement and calibration remain essential.
What the SVS PB-4000 offers: Independent CEA-2010 testing records 115.3 dB at 20 Hz and 120.3 dB through 40-80 Hz. The ported, front enclosure with 13.5” (343mm) driver with ported design has the headroom for demanding film bass in a large room. Watch for: The 594.4H x 520.7W x 703.6D mm cabinet and 69.5 kg mass make this a serious placement and moving commitment. Ported output does not solve room modes, so careful placement and calibration remain essential.
Buy the RSL (Rogersound Labs) Speedwoofer 12S if the price matters more than sound quality. Buy the SVS PB-4000 if sound quality matters more than the price.
The RSL (Rogersound Labs) Speedwoofer 12S is not a sound-quality pick. It sits near the bottom of the 110 subwoofers; there are better options higher up.
Want more options? Browse the full Subwoofers rankings.
Specifications Side By Side
| RSL (Rogersound Labs) Speedwoofer 12S | SVS PB-4000 | |
|---|---|---|
| Price | $800 | $2,158.97 |
| Ranked | #98 of 110 in Large Home Subwoofers (Over 75 lbs) | #62 of 110 in Large Home Subwoofers (Over 75 lbs) |
| Enclosure | ported, rear | ported, front |
| Output SPL at 15 Hz | 104.4 dB | 102.1 dB |
| Output SPL at 20 Hz | 109.3 dB | 115.3 dB |
| Output SPL at 25 Hz | 110.9 dB | 116.3 dB |
| Output SPL at 31.5 Hz | 112.5 dB | 117.8 dB |
| Output SPL at 40 Hz | 113.4 dB | 119.8 dB |
| Output SPL at 50 Hz | 113.4 dB | 121.7 dB |
| Output SPL at 63 Hz | 113.0 dB | 120.7 dB |
| Output SPL at 80 Hz | 113.1 dB | 119.2 dB |
| Output SPL at 100 Hz | 112.2 dB | 118.1 dB |
| CEA-2010-A Average (40-80Hz) | 113.2 dB | 120.3 dB |
| Dimensions | 22.2"H x 18.9"W x 22.1"D (565.1 x 479.4 x 562.0 mm) | 23.4"H x 20.5"W x 27.7"D (594.4 x 520.7 x 703.6 mm) |
| Weight | 82 lbs (37.2 kg) | 153.2 lbs (69.5 kg) |
| Warranty | ? | 5 |
| Cabinet Color | black, white | black |
| Country | United States | United States |
| Measurement Source | ErinsAudioCorner | Audioholics |
| Drivers | 12" (305mm) driver | 13.5" (343mm) driver with ported design |
| Output SPL at 125 Hz | - | 117.5 dB |
Related Speaker Comparisons
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- JTR Speakers Orbit Shifter LFU vs SVS PB-4000
- Power Sound Audio (PSA) TRIAX vs SVS PB-4000
- JTR Speakers Captivator 4000ULF vs SVS PB-4000
- JTR Speakers Captivator S2 vs SVS PB-4000
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 12S: $800 eBay
Pros: Independent CEA-2010 testing records 109.3 dB at 20 Hz and 113.2 dB through 40-80 Hz. The ported, rear enclosure with 12” (305mm) driver has the headroom for demanding film bass in a large room.
Cons: The 565.1H x 479.4W x 562.0D mm cabinet and 37.2 kg mass make this a serious placement and moving commitment. Ported output does not solve room modes, so careful placement and calibration remain essential.
Full RSL (Rogersound Labs) Speedwoofer 12S review and specifications →
| CEA-2010-A Average (40-80Hz) | 113.2 dB |
|---|---|
| Cabinet Color | black, white |
| Country | United States |
| Dimensions | 22.2"H x 18.9"W x 22.1"D (565.1 x 479.4 x 562.0 mm) |
| Drivers | 12" (305mm) driver |
| Enclosure | ported, rear |
| Measurement Source | ErinsAudioCorner |
| Output SPL at 15 Hz | 104.4 dB |
| Output SPL at 20 Hz | 109.3 dB |
| Output SPL at 25 Hz | 110.9 dB |
| Output SPL at 31.5 Hz | 112.5 dB |
| Output SPL at 40 Hz | 113.4 dB |
| Output SPL at 50 Hz | 113.4 dB |
| Output SPL at 63 Hz | 113.0 dB |
| Output SPL at 80 Hz | 113.1 dB |
| Output SPL at 100 Hz | 112.2 dB |
| Warranty | ? |
| Weight | 82 lbs (37.2 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Independently measured by ErinsAudioCorner; the published figures above come from this ASR subwoofer measurement thread.
- Head-to-Head Comparisons
- RSL (Rogersound Labs) Speedwoofer 12S vs HSU Research VTF-3 MK3
- RSL (Rogersound Labs) Speedwoofer 12S vs BK Electronics Monolith-DF
- RSL (Rogersound Labs) Speedwoofer 12S vs SVS SB13-Plus
- RSL (Rogersound Labs) Speedwoofer 12S vs Rythmik F18
- RSL (Rogersound Labs) Speedwoofer 12S vs Rythmik FV15HP
- RSL (Rogersound Labs) Speedwoofer 12S vs JTR Speakers Captivator 1400
- RSL (Rogersound Labs) Speedwoofer 12S vs Monoprice Monolith M-215
- RSL (Rogersound Labs) Speedwoofer 12S vs Rythmik FV25HP
- See all 13 comparisons
SVS PB-4000: $2,158.97 Amazon eBay
Pros: Independent CEA-2010 testing records 115.3 dB at 20 Hz and 120.3 dB through 40-80 Hz. The ported, front enclosure with 13.5” (343mm) driver with ported design has the headroom for demanding film bass in a large room.
Cons: The 594.4H x 520.7W x 703.6D mm cabinet and 69.5 kg mass make this a serious placement and moving commitment. Ported output does not solve room modes, so careful placement and calibration remain essential.
Full SVS PB-4000 review and specifications →
| CEA-2010-A Average (40-80Hz) | 120.3 dB |
|---|---|
| Cabinet Color | black |
| Country | United States |
| Dimensions | 23.4"H x 20.5"W x 27.7"D (594.4 x 520.7 x 703.6 mm) |
| Drivers | 13.5" (343mm) driver with ported design |
| Enclosure | ported, front |
| Measurement Source | Audioholics |
| Output SPL at 15 Hz | 102.1 dB |
| Output SPL at 20 Hz | 115.3 dB |
| Output SPL at 25 Hz | 116.3 dB |
| Output SPL at 31.5 Hz | 117.8 dB |
| Output SPL at 40 Hz | 119.8 dB |
| Output SPL at 50 Hz | 121.7 dB |
| Output SPL at 63 Hz | 120.7 dB |
| Output SPL at 80 Hz | 119.2 dB |
| Output SPL at 100 Hz | 118.1 dB |
| Output SPL at 125 Hz | 117.5 dB |
| Warranty | 5 |
| Weight | 153.2 lbs (69.5 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
- SVS PB-4000 vs SVS SB-4000
- SVS PB-4000 vs Monoprice Monolith M-15 V2
- SVS PB-4000 vs Rythmik F18
- SVS PB-4000 vs HSU Research VTF-3 MK5 HP
- SVS PB-4000 vs Monoprice Monolith M15-S
- SVS PB-4000 vs HSU Research VTF-15H MK2
- SVS PB-4000 vs Rythmik FV15HP
- SVS PB-4000 vs JTR Speakers Captivator 1400
- See all 24 comparisons


