Power Sound Audio S1800 vs Rythmik Audio F12
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Choosing between the Power Sound Audio S1800 and Rythmik Audio F12? 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 Power Sound Audio S1800 scores higher in value, audio quality, volume/SPL. The Rythmik Audio F12 leads in form factor, room fit.
Key subwoofer differences include driver sizes of 18" vs 12", and the Rythmik Audio F12 digs deeper at 14 Hz (-3dB) vs 17 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 S1800 is the stronger choice — it leads in 3 of 5 scored dimensions. The Rythmik Audio F12 makes more sense if you prioritize the 2 dimensions where it leads.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Power Sound Audio S1800
Rythmik Audio F12
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Driver Size | 18" | 12" |
| RMS Watts | 725W | 370W |
| -3dB Extension | 17Hz | 14Hz |
| -6dB Extension | — | — |
| Phase Control | No | Yes |
| LFE Input | No | Yes |
| Line Input | Yes | Yes |
| XLR Input | No | Yes |
| App Control | No | No |
| Passive | No | No |
| Enclosure | sealed | sealed |
Key Differences
- RMS Watts: Power Sound Audio S1800 at 725W vs Rythmik Audio F12 at 370W. 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.
- Driver Size: Power Sound Audio S1800 at 18" vs Rythmik Audio F12 at 12". 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: Power Sound Audio S1800 at 17Hz vs Rythmik Audio F12 at 14Hz. 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.
- Phase Control: Power Sound Audio S1800 at No vs Rythmik Audio F12 at Yes
- LFE Input: Power Sound Audio S1800 at No vs Rythmik Audio F12 at Yes
Which Should You Choose?
Choose Power Sound Audio S1800 if you want:
- + larger 18" driver
- + better rms watts — more sustained power means the sub maintains authority at high volumes without compression
Choose Rythmik Audio F12 if you want:
- + 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 Power Sound Audio S1800 and Rythmik Audio F12 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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