Short answer: the Velodyne Acoustics EQ-Max12. Both are rated 3.6/5 for sound quality (#83 and #82 of 145 subwoofers), and the Velodyne Acoustics EQ-Max12 costs $1,299 against $1,399 for the SVS 20-39 PC-Plus, and with sound quality even, the cheaper one is the better buy.
Why pick the SVS 20-39 PC-Plus: 12-inch ported driver delivers 112.3dB CEA-2010-A average from a compact, down-firing cylinder design.
The case for the Velodyne Acoustics EQ-Max12: 12-inch ported with 225W RMS delivers serious clean output down to 20Hz.
One note: the SVS 20-39 PC-Plus is no longer in production and isn’t widely stocked new anymore.
Buy the Velodyne Acoustics EQ-Max12. Both are rated the same for sound quality, and it costs $100 less than the SVS 20-39 PC-Plus.
Want more options? Browse the full Subwoofers rankings.
Specifications Side By Side
| SVS 20-39 PC-Plus | Velodyne Acoustics EQ-Max12 | |
|---|---|---|
| Price | $1399 Discontinued | $1299 Discontinued |
| Ranked | #82 of 145 in Medium Home Subwoofers (30-75 lbs) | #83 of 145 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | ported, bottom | ported, bottom |
| Output SPL at 15 Hz | 91.0 dB | - |
| Output SPL at 20 Hz | 102.7 dB | 100.1 dB |
| Output SPL at 25 Hz | 110.3 dB | 100.1 dB |
| Output SPL at 31.5 Hz | 113.0 dB | 100.1 dB |
| Output SPL at 40 Hz | 112.8 dB | 112.3 dB |
| Output SPL at 50 Hz | 113.7 dB | 112.3 dB |
| Output SPL at 63 Hz | 112.0 dB | 112.3 dB |
| Output SPL at 80 Hz | 110.8 dB | - |
| CEA-2010-A Average (40-80Hz) | 112.3 dB | 112.3 dB (avg of 3/4 bands) |
| Dimensions | 40”H x 16”W x 16”D (1016.0 x 406.4 x 406.4 mm) | 17.9”H x 16.4”W x 18”D (453.9 x 415.8 x 457.2 mm) |
| Weight | 54.9 lbs (24.9 kg) | 61.1 lbs (27.7 kg) |
| Warranty | 5 | - |
| Country | United States | United States |
| Measurement Source | Ilkka Rissanen | Brent Butterworth |
| Amplifier Power | 525W RMS | 225W RMS |
| Frequency Response | 16-290Hz | 25-120Hz |
| Drivers | 12” (305mm) driver | 12” (305mm) driver |
Related Speaker Comparisons
How SVS 20-39 PC-Plus compares with other leading options:
- MartinLogan Dynamo 1600X vs SVS 20-39 PC-Plus
- Monoprice SW-15 vs SVS 20-39 PC-Plus
- SVS SB-3000 vs SVS 20-39 PC-Plus
- SVS SB-3000 vs ELAC PS350
- Monoprice SW-15 vs ELAC PS350
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.
As an eBay Partner, we may be compensated if you make a purchase.
The Two Speakers In Full
SVS 20-39 PC-Plus: $1399 Discontinued eBay
Pros: 12-inch ported driver delivers 112.3dB CEA-2010-A average from a compact, down-firing cylinder design.
Cons: Discontinued.
Notes: “Cylinder” shape
Full SVS 20-39 PC-Plus review and specifications →
| Amplifier Power | 525W RMS |
|---|---|
| CEA-2010-A Average (40-80Hz) | 112.3 dB |
| Country | United States |
| Dimensions | 40”H x 16”W x 16”D (1016.0 x 406.4 x 406.4 mm) |
| Drivers | 12” (305mm) driver |
| Enclosure | ported, bottom |
| Frequency Response | 16-290Hz |
| Measurement Source | Ilkka Rissanen |
| Output SPL at 15 Hz | 91.0 dB |
| Output SPL at 20 Hz | 102.7 dB |
| Output SPL at 25 Hz | 110.3 dB |
| Output SPL at 31.5 Hz | 113.0 dB |
| Output SPL at 40 Hz | 112.8 dB |
| Output SPL at 50 Hz | 113.7 dB |
| Output SPL at 63 Hz | 112.0 dB |
| Output SPL at 80 Hz | 110.8 dB |
| Warranty | 5 |
| Weight | 54.9 lbs (24.9 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
Velodyne Acoustics EQ-Max12: $1299 Discontinued eBay
Pros: 12-inch ported with 225W RMS delivers serious clean output down to 20Hz. Downward-firing port with sturdy cabinet ensures minimal port noise. Auto EQ function is easy to use. Massive output at competitive price.
Cons: Discontinued.
Full Velodyne Acoustics EQ-Max12 review and specifications →
| Amplifier Power | 225W RMS |
|---|---|
| CEA-2010-A Average (40-80Hz) | 112.3 dB (avg of 3/4 bands) |
| Country | United States |
| Dimensions | 17.9”H x 16.4”W x 18”D (453.9 x 415.8 x 457.2 mm) |
| Drivers | 12” (305mm) driver |
| Enclosure | ported, bottom |
| Frequency Response | 25-120Hz |
| Measurement Source | Brent Butterworth |
| Output SPL at 20 Hz | 100.1 dB |
| Output SPL at 25 Hz | 100.1 dB |
| Output SPL at 31.5 Hz | 100.1 dB |
| Output SPL at 40 Hz | 112.3 dB |
| Output SPL at 50 Hz | 112.3 dB |
| Output SPL at 63 Hz | 112.3 dB |
| Weight | 61.1 lbs (27.7 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Independently measured by Brent Butterworth; the published figures above come from this ASR subwoofer measurement thread.