MartinLogan DYNAMO1600X vs Power Sound Audio S1812-IPAL
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Choosing between the MartinLogan DYNAMO1600X and Power Sound Audio S1812-IPAL? Both compete in the Subwoofer segment. Here’s how they compare across the specs that matter most for your home theater.
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Looking at overall performance dimensions: The MartinLogan DYNAMO1600X scores higher in form factor, room fit. The Power Sound Audio S1812-IPAL leads in value, audio quality, volume/SPL.
Key subwoofer differences include driver sizes of 15" vs 18", and the Power Sound Audio S1812-IPAL digs deeper at 17 Hz (-3dB) vs 20 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.
These two Subwoofer options trade wins across different dimensions. The right choice depends on which specs matter most for your room and listening preferences — review the detailed table below to decide.
For most home theaters, the Power Sound Audio S1812-IPAL is the stronger choice — it leads in 3 of 5 scored dimensions. The MartinLogan DYNAMO1600X makes more sense if you prioritize the 2 dimensions where it leads.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
MartinLogan DYNAMO1600X
Power Sound Audio S1812-IPAL
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Driver Size | 15" | 18" |
| RMS Watts | 900W | 960W |
| -3dB Extension | 20Hz | 17Hz |
| -6dB Extension | — | — |
| Phase Control | Yes | No |
| LFE Input | Yes | No |
| Line Input | Yes | No |
| XLR Input | Yes | Yes |
| App Control | Yes | No |
| Passive | No | No |
| Enclosure | sealed | sealed |
Key Differences
- Driver Size: MartinLogan DYNAMO1600X at 15" vs Power Sound Audio S1812-IPAL at 18". 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.
- -3dB Extension: MartinLogan DYNAMO1600X at 20Hz vs Power Sound Audio S1812-IPAL at 17Hz. 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.
- RMS Watts: MartinLogan DYNAMO1600X at 900W vs Power Sound Audio S1812-IPAL at 960W. 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.
- Phase Control: MartinLogan DYNAMO1600X at Yes vs Power Sound Audio S1812-IPAL at No
- LFE Input: MartinLogan DYNAMO1600X at Yes vs Power Sound Audio S1812-IPAL at No
Which Should You Choose?
Choose Power Sound Audio S1812-IPAL if you want:
- + larger 18" driver
- + better rms watts — more sustained power means the sub maintains authority at high volumes without compression
- + 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 DYNAMO1600X and Power Sound Audio S1812-IPAL 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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