Velodyne Acoustics DD-15+ vs Velodyne Acoustics DD-18+

Last updated: August 15, 2026

Short answer: the Velodyne Acoustics DD-15+. It ranks #65 of 97 subwoofers by sound quality at $4800; the Velodyne Acoustics DD-18+ ranks #68 and costs $5000, so there is not much of a tradeoff to weigh.

What the Velodyne Acoustics DD-15+ offers: Its documented strengths make it a credible option in this class. Watch for: Its documented strengths make it a credible option in this class.

What the Velodyne Acoustics DD-18+ offers: Its documented strengths make it a credible option in this class. Watch for: Its documented strengths make it a credible option in this class.

Buy the Velodyne Acoustics DD-15+. It ranks higher for sound quality than the Velodyne Acoustics DD-18+ and costs less, so there is no real case for the other one.

Velodyne Acoustics DD-15+ vs Velodyne Acoustics DD-18+

Specifications Side By Side

Velodyne Acoustics DD-15+ Velodyne Acoustics DD-18+
Price$4,800 Discontinued$5,000 Discontinued
Ranked#65 of 97 in Large Powered Home Subwoofers (Over 75 lbs)#68 of 97 in Large Powered Home Subwoofers (Over 75 lbs)
Enclosuresealedsealed
Output SPL at 20 Hz107.7 dB106.4 dB
Output SPL at 25 Hz112.7 dB111.3 dB
Output SPL at 31.5 Hz116.5 dB116.0 dB
Output SPL at 40 Hz118.6 dB118.8 dB
Output SPL at 50 Hz118.9 dB119.8 dB
Output SPL at 63 Hz118.2 dB118.3 dB
CEA-2010-A Average (40-80Hz)118.6 dB (avg of 3/4 bands)118.3 dB
Dimensions20"H x 18.1"W x 22.5"D (508.0 x 459.7 x 571.5 mm)22.7"H x 20.7"W x 25.6"D (576.6 x 525.8 x 650.2 mm)
Weight119.9 lbs / 54.4 kg142 lbs / 64.4 kg
Cabinet Colorblack, woodblack, wood
CountryUnited StatesUnited States
Measurement SourceAudioholicsAudioholics
Drivers15" (381mm) driver18" (457mm) driver
DiscontinuedYesYes
Output SPL at 10 Hz-87.6 dB
Output SPL at 12.5 Hz-92.2 dB
Output SPL at 15 Hz-101.8 dB
Output SPL at 80 Hz-116.5 dB
Output SPL at 100 Hz-115.1 dB
Output SPL at 125 Hz-113.5 dB

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

The Two Speakers In Full

Velodyne Acoustics DD-15+: $4,800 Discontinued

Velodyne Acoustics DD-15+ ranking card

Cons: Discontinued.

Notes: measured by soundandvision

Full Velodyne Acoustics DD-15+ review and specifications →

CEA-2010-A Average (40-80Hz)118.6 dB (avg of 3/4 bands)
Cabinet Colorblack, wood
CountryUnited States
Dimensions20"H x 18.1"W x 22.5"D (508.0 x 459.7 x 571.5 mm)
DiscontinuedYes
Drivers15" (381mm) driver
Enclosuresealed
Measurement SourceAudioholics
Output SPL at 20 Hz107.7 dB
Output SPL at 25 Hz112.7 dB
Output SPL at 31.5 Hz116.5 dB
Output SPL at 40 Hz118.6 dB
Output SPL at 50 Hz118.9 dB
Output SPL at 63 Hz118.2 dB
Weight119.9 lbs / 54.4 kg
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Velodyne Acoustics DD-18+: $5,000 Discontinued

Velodyne Acoustics DD-18+ ranking card

Cons: Discontinued.

Full Velodyne Acoustics DD-18+ review and specifications →

CEA-2010-A Average (40-80Hz)118.3 dB
Cabinet Colorblack, wood
CountryUnited States
Dimensions22.7"H x 20.7"W x 25.6"D (576.6 x 525.8 x 650.2 mm)
DiscontinuedYes
Drivers18" (457mm) driver
Enclosuresealed
Measurement SourceAudioholics
Output SPL at 10 Hz87.6 dB
Output SPL at 12.5 Hz92.2 dB
Output SPL at 15 Hz101.8 dB
Output SPL at 20 Hz106.4 dB
Output SPL at 25 Hz111.3 dB
Output SPL at 31.5 Hz116.0 dB
Output SPL at 40 Hz118.8 dB
Output SPL at 50 Hz119.8 dB
Output SPL at 63 Hz118.3 dB
Output SPL at 80 Hz116.5 dB
Output SPL at 100 Hz115.1 dB
Output SPL at 125 Hz113.5 dB
Weight142 lbs / 64.4 kg
Search eBay for Velodyne Acoustics DD-18+ →Search used audio listings for Velodyne Acoustics DD-18+ →

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