Short answer: the Dynamo 1600X for output, the SVS SB-2000 for a sealed 12-inch alternative. The 15-inch Dynamo’s 900W RMS and 1800W peak deliver forceful, clean, tight low bass, but it costs $1606.77 and its 121.5 dB mid-range output is a caveat. The sealed 12-inch SB-2000 runs 550W RMS and 1500W peak from its Sledge amplifier.
The case for the MartinLogan Dynamo 1600X: Sealed 15-inch with 900W RMS, 1800W peak delivers forceful clean tight low bass. The tradeoff: Ported design room integration needs, mid-range 121.5 dB output, and $1,607 price.
What the SVS SB-2000 gets right: Sealed 12” with 550W RMS, 1500W peak Sledge amplifier.
Buy the MartinLogan Dynamo 1600X. It is rated higher for sound quality, and the $707.77 you would save on the SVS SB-2000 does not close the gap.
Want more options? Browse the full Subwoofers rankings.
Specifications Side By Side
| MartinLogan Dynamo 1600X | SVS SB-2000 | |
|---|---|---|
| Price | $1,606.77 | $899.00 |
| Ranked | #2 of 145 in Medium Home Subwoofers (30-75 lbs) | #34 of 145 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | sealed | sealed |
| Output SPL at 15 Hz | 86.2 dB | - |
| Output SPL at 20 Hz | 99.4 dB | 101.1 dB |
| Output SPL at 25 Hz | 103.9 dB | 106.1 dB |
| Output SPL at 31.5 Hz | 111.7 dB | 111.8 dB |
| Output SPL at 40 Hz | 118.4 dB | 117.3 dB |
| Output SPL at 50 Hz | 121.0 dB | 117.8 dB |
| Output SPL at 63 Hz | 121.8 dB | 118.2 dB |
| Output SPL at 80 Hz | 121.0 dB | - |
| Output SPL at 100 Hz | 120.2 dB | - |
| Output SPL at 125 Hz | 119.0 dB | - |
| CEA-2010-A Average (40-80Hz) | 120.5 dB | 117.8 dB (avg of 3/4 bands) |
| Dimensions | 20.1"H x 17.9"W x 19.1"D (510.5 x 454.7 x 485.1 mm) | 14.6"H x 14.2"W x 15.4"D (370.8 x 360.7 x 391.2 mm) |
| Weight | 56 lbs (25.4 kg) | 34.8 lbs (15.8 kg) |
| Warranty | 3 | 5 |
| Cabinet Color | black | black |
| Country | United States | United States |
| Measurement Source | Audioholics | Brent Butterworth |
| Frequency Response | 20-200Hz, ±3dB | 19-220Hz |
| Amplifier Power | 900W RMS / 1800W peak | 500W RMS |
| Inputs | RCA (stereo and LFE), XLR (LFE), speaker-level (banana) | - |
| Drivers | 15" (381mm) driver | 12" (305mm) driver |
| XLR Input | Yes | - |
| RCA Input | Yes | - |
| TRS Input | No | - |
| Optical Input | No | - |
| Coaxial Input | No | - |
| USB Input | No | - |
| HDMI Input | No | - |
| AES Input | No | - |
| Aux Input | No | - |
Related Speaker Comparisons
More top alternatives to MartinLogan Dynamo 1600X:
- JTR Speakers Captivator 212PRO vs MartinLogan Dynamo 1600X
- HSU Research ULS-15 MK2 vs MartinLogan Dynamo 1600X
- MartinLogan Dynamo 1600X vs Monoprice SW-12
- MartinLogan Dynamo 1600X vs Power Sound Audio (PSA) XV15
- MartinLogan Dynamo 1600X vs Paradigm Defiance X12
Prices on this page were last checked September 23, 2026 at 11:24 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
MartinLogan Dynamo 1600X: $1,606.77 eBay
Pros: Sealed 15-inch with 900W RMS, 1800W peak delivers forceful clean tight low bass. Easily configurable as forward-firing or down-firing. Smartphone app with Anthem Room Correction (ARC) optimizes bass across room. Wireless capable with optional SWT-X module.
Cons: Ported design room integration needs, mid-range 121.5 dB output, and $1607 price.
Full MartinLogan Dynamo 1600X review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 900W RMS / 1800W peak |
| Aux Input | No |
| CEA-2010-A Average (40-80Hz) | 120.5 dB |
| Cabinet Color | black |
| Coaxial Input | No |
| Country | United States |
| Dimensions | 20.1"H x 17.9"W x 19.1"D (510.5 x 454.7 x 485.1 mm) |
| Drivers | 15" (381mm) driver |
| Enclosure | sealed |
| Frequency Response | 20-200Hz, ±3dB |
| HDMI Input | No |
| Inputs | RCA (stereo and LFE), XLR (LFE), speaker-level (banana) |
| Measurement Source | Audioholics |
| Optical Input | No |
| Output SPL at 15 Hz | 86.2 dB |
| Output SPL at 20 Hz | 99.4 dB |
| Output SPL at 25 Hz | 103.9 dB |
| Output SPL at 31.5 Hz | 111.7 dB |
| Output SPL at 40 Hz | 118.4 dB |
| Output SPL at 50 Hz | 121.0 dB |
| Output SPL at 63 Hz | 121.8 dB |
| Output SPL at 80 Hz | 121.0 dB |
| Output SPL at 100 Hz | 120.2 dB |
| Output SPL at 125 Hz | 119.0 dB |
| RCA Input | Yes |
| TRS Input | No |
| USB Input | No |
| Warranty | 3 |
| Weight | 56 lbs (25.4 kg) |
| XLR Input | Yes |
- 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
- MartinLogan Dynamo 1600X vs HSU Research ULS-15 MK2
- MartinLogan Dynamo 1600X vs JTR Speakers Captivator 212PRO
- MartinLogan Dynamo 1600X vs Monoprice SW-12
- MartinLogan Dynamo 1600X vs Power Sound Audio (PSA) XV15
- MartinLogan Dynamo 1600X vs Paradigm Defiance X12
- MartinLogan Dynamo 1600X vs Power Sound Audio (PSA) XV15-BASE
- MartinLogan Dynamo 1600X vs Power Sound Audio (PSA) XV15SEICE-BASE
- MartinLogan Dynamo 1600X vs Monoprice SW-15
- See all 48 comparisons
SVS SB-2000: $899.00 Amazon eBay
Pros: Sealed 12” with 550W RMS, 1500W peak Sledge amplifier. Rich, full bass in compact 15-cube cabinet. Full smartphone app control with parametric EQ. Versatile for movies and 2-channel audio.
Full SVS SB-2000 review and specifications →
| Amplifier Power | 500W RMS |
|---|---|
| CEA-2010-A Average (40-80Hz) | 117.8 dB (avg of 3/4 bands) |
| Cabinet Color | black |
| Country | United States |
| Dimensions | 14.6"H x 14.2"W x 15.4"D (370.8 x 360.7 x 391.2 mm) |
| Drivers | 12" (305mm) driver |
| Enclosure | sealed |
| Frequency Response | 19-220Hz |
| Measurement Source | Brent Butterworth |
| Output SPL at 20 Hz | 101.1 dB |
| Output SPL at 25 Hz | 106.1 dB |
| Output SPL at 31.5 Hz | 111.8 dB |
| Output SPL at 40 Hz | 117.3 dB |
| Output SPL at 50 Hz | 117.8 dB |
| Output SPL at 63 Hz | 118.2 dB |
| Warranty | 5 |
| Weight | 34.8 lbs (15.8 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Independently measured by Brent Butterworth; the published figures above come from this ASR subwoofer measurement thread.
- Head-to-Head Comparisons