SVS 20-39 PC-Plus vs Velodyne Acoustics EQ-Max12

Last updated: August 15, 2026

Short answer: the SVS 20-39 PC-Plus for better sound quality, the Velodyne Acoustics EQ-Max12 for the lower price. The SVS 20-39 PC-Plus ranks #61 of 137 subwoofers at $1399. The Velodyne Acoustics EQ-Max12 ranks #62 at $1299, $100 cheaper.

What the SVS 20-39 PC-Plus offers: 12-inch ported driver delivers 112.3dB CEA-2010-A average from a compact, down-firing cylinder design. Watch for: Its documented strengths make it a credible option in this class.

What the Velodyne Acoustics EQ-Max12 offers: 12-inch ported with 225W RMS delivers serious clean output down to 20Hz. Watch for: Its documented strengths make it a credible option in this class.

Buy the SVS 20-39 PC-Plus if sound quality matters more than the price. Buy the Velodyne Acoustics EQ-Max12 if the price matters more than sound quality.

SVS 20-39 PC-Plus vs Velodyne Acoustics EQ-Max12

Specifications Side By Side

SVS 20-39 PC-Plus Velodyne Acoustics EQ-Max12
Price$1399$1299 Discontinued
Ranked#61 of 137 in Medium Powered Home Subwoofers (30-75 lbs)#62 of 137 in Medium Powered Home Subwoofers (30-75 lbs)
Enclosureported, bottomported, bottom
Output SPL at 15 Hz91.0 dB-
Output SPL at 20 Hz102.7 dB100.1 dB
Output SPL at 25 Hz110.3 dB100.1 dB
Output SPL at 31.5 Hz113.0 dB100.1 dB
Output SPL at 40 Hz112.8 dB112.3 dB
Output SPL at 50 Hz113.7 dB112.3 dB
Output SPL at 63 Hz112.0 dB112.3 dB
Output SPL at 80 Hz110.8 dB-
CEA-2010-A Average (40-80Hz)112.3 dB112.3 dB (avg of 3/4 bands)
Dimensions40"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)
Weight54.9 lbs / 24.9 kg61.1 lbs / 27.7 kg
Warranty5-
CountryUnited StatesUnited States
Measurement SourceIlkka RissanenBrent Butterworth
Power Output (Watts)525W RMS225W RMS
Frequency Response16-290Hz25-120Hz
Drivers12" (305mm) driver12" (305mm) driver
Discontinued-Yes

More useful head-to-heads from the same speaker class:

The Two Speakers In Full

SVS 20-39 PC-Plus: $1399

SVS 20-39 PC-Plus ranking card

Pros: 12-inch ported driver delivers 112.3dB CEA-2010-A average from a compact, down-firing cylinder design.

Notes: “Cylinder” shape

Full SVS 20-39 PC-Plus review and specifications →

CEA-2010-A Average (40-80Hz)112.3 dB
CountryUnited States
Dimensions40"H x 16"W x 16"D (1016.0 x 406.4 x 406.4 mm)
Drivers12" (305mm) driver
Enclosureported, bottom
Frequency Response16-290Hz
Measurement SourceIlkka Rissanen
Output SPL at 15 Hz91.0 dB
Output SPL at 20 Hz102.7 dB
Output SPL at 25 Hz110.3 dB
Output SPL at 31.5 Hz113.0 dB
Output SPL at 40 Hz112.8 dB
Output SPL at 50 Hz113.7 dB
Output SPL at 63 Hz112.0 dB
Output SPL at 80 Hz110.8 dB
Power Output (Watts)525W RMS
Warranty5
Weight54.9 lbs / 24.9 kg
Search eBay for SVS 20-39 PC-Plus →Search used audio listings for SVS 20-39 PC-Plus →

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Velodyne Acoustics EQ-Max12: $1299 Discontinued

Velodyne Acoustics EQ-Max12 ranking card

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 →

CEA-2010-A Average (40-80Hz)112.3 dB (avg of 3/4 bands)
CountryUnited States
Dimensions17.9"H x 16.4"W x 18"D (453.9 x 415.8 x 457.2 mm)
DiscontinuedYes
Drivers12" (305mm) driver
Enclosureported, bottom
Frequency Response25-120Hz
Measurement SourceBrent Butterworth
Output SPL at 20 Hz100.1 dB
Output SPL at 25 Hz100.1 dB
Output SPL at 31.5 Hz100.1 dB
Output SPL at 40 Hz112.3 dB
Output SPL at 50 Hz112.3 dB
Output SPL at 63 Hz112.3 dB
Power Output (Watts)225W RMS
Weight61.1 lbs / 27.7 kg
Search eBay for Velodyne Acoustics EQ-Max12 →Search used audio listings for Velodyne Acoustics EQ-Max12 →

As an eBay Partner, we may be compensated if you make a purchase.