Power Sound Audio TV21-IPAL vs Rythmik Audio FV18
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Choosing between the Power Sound Audio TV21-IPAL and Rythmik Audio FV18? 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 TV21-IPAL scores higher in audio quality, volume/SPL. The Rythmik Audio FV18 leads in value, form factor, room fit.
Key subwoofer differences include driver sizes of 21" vs 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.
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 Rythmik Audio FV18 is the stronger choice — it leads in 3 of 5 scored dimensions. The Power Sound Audio TV21-IPAL 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 TV21-IPAL
Rythmik Audio FV18
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Driver Size | 21" | 18" |
| RMS Watts | 4000W | 900W |
| -3dB Extension | 12Hz | 12Hz |
| -6dB Extension | — | — |
| Phase Control | No | Yes |
| LFE Input | No | Yes |
| Line Input | Yes | Yes |
| XLR Input | Yes | Yes |
| App Control | No | No |
| Passive | No | No |
| Enclosure | bass-reflex | bass-reflex |
Key Differences
- RMS Watts: Power Sound Audio TV21-IPAL at 4000W vs Rythmik Audio FV18 at 900W. 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 TV21-IPAL at 21" vs Rythmik Audio FV18 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.
- Phase Control: Power Sound Audio TV21-IPAL at No vs Rythmik Audio FV18 at Yes
- LFE Input: Power Sound Audio TV21-IPAL at No vs Rythmik Audio FV18 at Yes
Which Should You Choose?
Choose Power Sound Audio TV21-IPAL if you want:
- + larger 21" driver
- + better rms watts — more sustained power means the sub maintains authority at high volumes without compression
See Where These Rank
Check our editorial rankings to see how Power Sound Audio TV21-IPAL and Rythmik Audio FV18 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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