MartinLogan DYNAMO-12 vs SVS SB-4000-PREMIUM-BLACK-ASH
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Choosing between the MartinLogan DYNAMO-12 and SVS SB-4000-PREMIUM-BLACK-ASH? Both compete in the Subwoofer segment. Here’s how they compare across the specs that matter most for your home theater.
Pricing for both models is currently unavailable. Check the retailer links below for current deals.
Looking at overall performance dimensions: The MartinLogan DYNAMO-12 scores higher in value, audio quality, volume/SPL, form factor, room fit.
Key subwoofer differences include driver sizes of 12" vs 13", and the SVS SB-4000-PREMIUM-BLACK-ASH digs deeper at 19 Hz (-3dB) vs 22 Hz. Larger drivers move more air, producing deeper bass with less effort. A 15-inch driver reaches lower than a 10-inch at the same power, but the cabinet is proportionally larger. A lower number means deeper bass — the rumble in explosions, the weight of a pipe organ. Below 20 Hz you feel it more than hear it.
The MartinLogan DYNAMO-12 holds an advantage across more performance dimensions, but the SVS SB-4000-PREMIUM-BLACK-ASH may still be the better pick depending on which specs matter most to your setup. See the detailed comparison table below for the full breakdown.
For most home theaters, the MartinLogan DYNAMO-12 is the stronger choice — it leads in 5 of 5 scored dimensions. The SVS SB-4000-PREMIUM-BLACK-ASH makes more sense if budget is the primary constraint.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
MartinLogan DYNAMO-12
SVS SB-4000-PREMIUM-BLACK-ASH
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Driver Size | 12" | 13" |
| RMS Watts | 1600W | 1200W |
| -3dB Extension | 22Hz | 19Hz |
| -6dB Extension | — | — |
| Phase Control | Yes | Yes |
| LFE Input | Yes | Yes |
| Line Input | Yes | Yes |
| XLR Input | Yes | Yes |
| App Control | Yes | Yes |
| Passive | No | No |
| Enclosure | sealed | sealed |
Key Differences
- RMS Watts: MartinLogan DYNAMO-12 at 1600W vs SVS SB-4000-PREMIUM-BLACK-ASH at 1200W. More sustained power means the sub maintains authority at high volumes without compression. RMS matters more than peak — it's the power available all the time, not just in bursts.
- -3dB Extension: MartinLogan DYNAMO-12 at 22Hz vs SVS SB-4000-PREMIUM-BLACK-ASH at 19Hz. A lower number means deeper bass — the rumble in explosions, the weight of a pipe organ. Below 20 Hz you feel it more than hear it.
- Driver Size: MartinLogan DYNAMO-12 at 12" vs SVS SB-4000-PREMIUM-BLACK-ASH at 13". Larger drivers move more air, producing deeper bass with less effort. A 15-inch driver reaches lower than a 10-inch at the same power, but the cabinet is proportionally larger.
Which Should You Choose?
Choose MartinLogan DYNAMO-12 if you want:
- + better rms watts — more sustained power means the sub maintains authority at high volumes without compression
Choose SVS SB-4000-PREMIUM-BLACK-ASH if you want:
- + larger 13" driver
- + better -3db extension — a lower number means deeper bass — the rumble in explosions, the weight of a pipe organ
See Where These Rank
Check our editorial rankings to see how MartinLogan DYNAMO-12 and SVS SB-4000-PREMIUM-BLACK-ASH compare to the rest of the field.
Best Subwoofer RankingsRelated Calculators
Specifications sourced from manufacturer datasheets and verified against retailer listings. Prices updated hourly from authorized retailers. Scoring uses our open methodology — products are never ranked, promoted, or suppressed based on affiliate commission rates.
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