SVS SB-3000 vs MartinLogan Dynamo 1500X

Last updated: September 16, 2026

Short answer: the SVS SB-3000. It ranks #14 of 145 subwoofers by sound quality at $1099; the MartinLogan Dynamo 1500X ranks #30 and costs $1299, so there is not much of a tradeoff to weigh.

SVS SB-3000 vs MartinLogan Dynamo 1500X

What the SVS SB-3000 offers: 13-inch sealed with 800W RMS (2500W peak) delivers 118.7dB average with exceptional accuracy. Beautifully made with pinpoint control and flawless tonal accuracy. Sweet spot performance-to-value ratio. Three-band parametric EQ with 1Hz precision adjustment. Watch for: Ported cabinet room-mode dependency, compact 25 kg size limits bass extension, and $1,100 investment.

What the MartinLogan Dynamo 1500X offers: 15-inch sealed with 650W RMS, 1300W peak delivers forceful clean tight low bass. Variable orientation (front or down-firing) configuration offers flexible room placement. PBK room correction calibrates performance across multiple listening positions. Watch for: No detailed measurement caveats are currently recorded.

Buy the SVS SB-3000. It ranks higher for sound quality than the MartinLogan Dynamo 1500X and costs less, so there is no real case for the other one.

Want more options? Browse the full Subwoofers rankings.

Buy the SVS SB-3000 at Amazon ($1,099.00) →

Specifications Side By Side

SVS SB-3000 MartinLogan Dynamo 1500X
Price$1,099.00$1299
Ranked#14 of 145 in Medium Home Subwoofers (30-75 lbs)#30 of 145 in Medium Home Subwoofers (30-75 lbs)
Enclosuresealedsealed
Output SPL at 15 Hz90.3 dB95.6 dB
Output SPL at 20 Hz96.6 dB100.4 dB
Output SPL at 25 Hz101.7 dB104.4 dB
Output SPL at 31.5 Hz107.8 dB108.3 dB
Output SPL at 40 Hz114.6 dB113.0 dB
Output SPL at 50 Hz118.7 dB117.1 dB
Output SPL at 63 Hz120.7 dB118.3 dB
Output SPL at 80 Hz120.9 dB117.4 dB
Output SPL at 100 Hz120.8 dB116.2 dB
Output SPL at 125 Hz120.7 dB115.1 dB
CEA-2010-A Average (40-80Hz)118.7 dB116.5 dB
Dimensions15.6"H x 15.2"W x 15.7"D (396.2 x 386.1 x 398.8 mm)18.3"H x 16.7"W x 17.6"D (464.8 x 425.4 x 447.0 mm)
Weight54.5 lbs (24.7 kg)52 lbs (23.6 kg)
Warranty53
Cabinet Colorblack-
CountryUnited StatesUnited States
Measurement SourceAudioholicsAudioholics
Frequency Response18-270Hz, ±3dB20Hz+ (with room correction)
Amplifier Power800W RMS / 2500W peak650W RMS / 1300W peak
Crossover Frequency30-200Hz adjustable, 6/12/18/24dB slopes-
InputsRCA (unbalanced), USB-
Phase Control0°-180°-
FeaturesAuto/On, 3-12V AC/DC trigger-
Drivers13" (330mm) driver15" (381mm) driver
Output SPL at 12.5 Hz-92.9 dB
Buy the SVS SB-3000 at Amazon ($1,099.00) →

How SVS SB-3000 compares with other leading options:

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.

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

The Two Speakers In Full

SVS SB-3000: $1,099.00 Amazon eBay

SVS SB-3000 ranking card

Pros: 13-inch sealed with 800W RMS (2500W peak) delivers 118.7dB average with exceptional accuracy. Beautifully made with pinpoint control and flawless tonal accuracy. Sweet spot performance-to-value ratio. Three-band parametric EQ with 1Hz precision adjustment.

Cons: Ported cabinet room-mode dependency, compact 25 kg size limits bass extension, and $1,100 investment.

Full SVS SB-3000 review and specifications →

Amplifier Power800W RMS / 2500W peak
CEA-2010-A Average (40-80Hz)118.7 dB
Cabinet Colorblack
CountryUnited States
Crossover Frequency30-200Hz adjustable, 6/12/18/24dB slopes
Dimensions15.6"H x 15.2"W x 15.7"D (396.2 x 386.1 x 398.8 mm)
Drivers13" (330mm) driver
Enclosuresealed
FeaturesAuto/On, 3-12V AC/DC trigger
Frequency Response18-270Hz, ±3dB
InputsRCA (unbalanced), USB
Measurement SourceAudioholics
Output SPL at 15 Hz90.3 dB
Output SPL at 20 Hz96.6 dB
Output SPL at 25 Hz101.7 dB
Output SPL at 31.5 Hz107.8 dB
Output SPL at 40 Hz114.6 dB
Output SPL at 50 Hz118.7 dB
Output SPL at 63 Hz120.7 dB
Output SPL at 80 Hz120.9 dB
Output SPL at 100 Hz120.8 dB
Output SPL at 125 Hz120.7 dB
Phase Control0°-180°
Warranty5
Weight54.5 lbs (24.7 kg)
Check current price at Amazon ($1,099.00) →Search eBay for SVS SB-3000 →

MartinLogan Dynamo 1500X: $1299 eBay

MartinLogan Dynamo 1500X ranking card

Pros: 15-inch sealed with 650W RMS, 1300W peak delivers forceful clean tight low bass. Variable orientation (front or down-firing) configuration offers flexible room placement. PBK room correction calibrates performance across multiple listening positions.

Full MartinLogan Dynamo 1500X review and specifications →

Amplifier Power650W RMS / 1300W peak
CEA-2010-A Average (40-80Hz)116.5 dB
CountryUnited States
Dimensions18.3"H x 16.7"W x 17.6"D (464.8 x 425.4 x 447.0 mm)
Drivers15" (381mm) driver
Enclosuresealed
Frequency Response20Hz+ (with room correction)
Measurement SourceAudioholics
Output SPL at 12.5 Hz92.9 dB
Output SPL at 15 Hz95.6 dB
Output SPL at 20 Hz100.4 dB
Output SPL at 25 Hz104.4 dB
Output SPL at 31.5 Hz108.3 dB
Output SPL at 40 Hz113.0 dB
Output SPL at 50 Hz117.1 dB
Output SPL at 63 Hz118.3 dB
Output SPL at 80 Hz117.4 dB
Output SPL at 100 Hz116.2 dB
Output SPL at 125 Hz115.1 dB
Warranty3
Weight52 lbs (23.6 kg)
Search eBay for MartinLogan Dynamo 1500X →