MartinLogan DYNAMO-FOUNDATION-12 vs Power Sound Audio S18NEO-M
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Choosing between the MartinLogan DYNAMO-FOUNDATION-12 and Power Sound Audio S18NEO-M? 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 DYNAMO-FOUNDATION-12 scores higher in value, form factor, room fit. The Power Sound Audio S18NEO-M leads in audio quality, volume/SPL.
Key subwoofer differences include driver sizes of 12" vs 18", and the Power Sound Audio S18NEO-M digs deeper at 21 Hz (-3dB) vs 24 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 MartinLogan DYNAMO-FOUNDATION-12 is the stronger choice — it leads in 3 of 5 scored dimensions. The Power Sound Audio S18NEO-M 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 DYNAMO-FOUNDATION-12
Power Sound Audio S18NEO-M
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Driver Size | 12" | 18" |
| RMS Watts | 700W | 800W |
| -3dB Extension | 24Hz | 21Hz |
| -6dB Extension | — | — |
| Phase Control | No | No |
| LFE Input | Yes | No |
| Line Input | Yes | No |
| XLR Input | No | Yes |
| App Control | No | No |
| Passive | No | No |
| Enclosure | sealed | sealed |
Key Differences
- Driver Size: MartinLogan DYNAMO-FOUNDATION-12 at 12" vs Power Sound Audio S18NEO-M 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.
- RMS Watts: MartinLogan DYNAMO-FOUNDATION-12 at 700W vs Power Sound Audio S18NEO-M at 800W. 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-FOUNDATION-12 at 24Hz vs Power Sound Audio S18NEO-M at 21Hz. 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.
- LFE Input: MartinLogan DYNAMO-FOUNDATION-12 at Yes vs Power Sound Audio S18NEO-M at No
- Line Input: MartinLogan DYNAMO-FOUNDATION-12 at Yes vs Power Sound Audio S18NEO-M at No
Which Should You Choose?
Choose Power Sound Audio S18NEO-M 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 DYNAMO-FOUNDATION-12 and Power Sound Audio S18NEO-M 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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