Short answer: the Rythmik F12. It ranks #20 of 145 subwoofers by sound quality at $1439; the Power Sound Audio (PSA) XS15SE ranks #22 and costs $1499, so there is not much of a tradeoff to weigh.
What the Rythmik F12 offers: Sealed 12-inch servo with 370W RMS offers excellent value. Very musical and can disappear in small rooms. Digs to 14Hz with excellent build quality and well-braced cabinet. Watch for: No detailed measurement caveats are currently recorded.
What the Power Sound Audio (PSA) XS15SE offers: 15-inch sealed driver delivers 117.8dB CEA-2010-A average in a compact sealed enclosure. Watch for: No detailed measurement caveats are currently recorded.
Buy the Rythmik F12. It ranks higher for sound quality than the Power Sound Audio (PSA) XS15SE and costs less, so there is no real case for the other one.
Want more options? Browse the full Subwoofers rankings.
Specifications Side By Side
| Rythmik F12 | Power Sound Audio (PSA) XS15SE | |
|---|---|---|
| Price | $1,120 | $1499 |
| Ranked | #20 of 145 in Medium Home Subwoofers (30-75 lbs) | #22 of 145 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | sealed | sealed |
| Output SPL at 20 Hz | 103.6 dB | 100.6 dB |
| Output SPL at 25 Hz | 106.7 dB | 107.2 dB |
| Output SPL at 31.5 Hz | 113.5 dB | 110.6 dB |
| Output SPL at 40 Hz | 118.3 dB | 114.7 dB |
| Output SPL at 50 Hz | 119.1 dB | 117.9 dB |
| Output SPL at 63 Hz | 120.4 dB | 119.1 dB |
| Output SPL at 80 Hz | 119.6 dB | 119.4 dB |
| CEA-2010-A Average (40-80Hz) | 119.3 dB | 117.8 dB |
| Dimensions | 15.7"H x 15.7"W x 17"D (400.0 x 400.0 x 431.8 mm) | 19.5"H x 17"W x 18"D (495.3 x 431.8 x 457.2 mm) |
| Weight | 75 lbs (34.0 kg) | 67 lbs (30.4 kg) |
| Warranty | 5/3 | 5 |
| Cabinet Color | black | - |
| Country | United States | United States |
| Measurement Source | Brent Butterworth | Data-bass |
| Amplifier Power | 370W RMS | 550W RMS / 1650W peak |
| Frequency Response | 14Hz extension | 23-200Hz, ±3dB |
| Drivers | 12" (305mm) driver | 15" (381mm) driver |
| Output SPL at 16 Hz | 101.0 dB | - |
| Output SPL at 12.5 Hz | - | 91.9 dB |
| Output SPL at 15 Hz | - | 96.5 dB |
| Output SPL at 100 Hz | - | 119.3 dB |
| Output SPL at 125 Hz | - | 118.6 dB |
Related Speaker Comparisons
More worthwhile head-to-heads for Rythmik F12:
- JTR Speakers Captivator 212PRO vs Rythmik F12
- MartinLogan Dynamo 1600X vs Rythmik F12
- HSU Research ULS-15 MK2 vs Rythmik F12
- Monoprice SW-12 vs Rythmik F12
- Rythmik F12 vs Power Sound Audio (PSA) XV15
Prices on this page were last checked September 14, 2026 at 1:47 AM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
As an eBay Partner, we may be compensated if you make a purchase.
The Two Speakers In Full
Rythmik F12: $1,120 Rythmik Audio eBay
Pros: Sealed 12-inch servo with 370W RMS offers excellent value. Very musical and can disappear in small rooms. Digs to 14Hz with excellent build quality and well-braced cabinet.
Full Rythmik F12 review and specifications →
| Amplifier Power | 370W RMS |
|---|---|
| CEA-2010-A Average (40-80Hz) | 119.3 dB |
| Cabinet Color | black |
| Country | United States |
| Dimensions | 15.7"H x 15.7"W x 17"D (400.0 x 400.0 x 431.8 mm) |
| Drivers | 12" (305mm) driver |
| Enclosure | sealed |
| Frequency Response | 14Hz extension |
| Measurement Source | Brent Butterworth |
| Output SPL at 16 Hz | 101.0 dB |
| Output SPL at 20 Hz | 103.6 dB |
| Output SPL at 25 Hz | 106.7 dB |
| Output SPL at 31.5 Hz | 113.5 dB |
| Output SPL at 40 Hz | 118.3 dB |
| Output SPL at 50 Hz | 119.1 dB |
| Output SPL at 63 Hz | 120.4 dB |
| Output SPL at 80 Hz | 119.6 dB |
| Warranty | 5/3 |
| Weight | 75 lbs (34.0 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Independently measured by Brent Butterworth; the published figures above come from this ASR subwoofer measurement thread.
- Head-to-Head Comparisons
Power Sound Audio (PSA) XS15SE: $1499 eBay
Pros: 15-inch sealed driver delivers 117.8dB CEA-2010-A average in a compact sealed enclosure.
Full Power Sound Audio (PSA) XS15SE review and specifications →
| Amplifier Power | 550W RMS / 1650W peak |
|---|---|
| CEA-2010-A Average (40-80Hz) | 117.8 dB |
| Country | United States |
| Dimensions | 19.5"H x 17"W x 18"D (495.3 x 431.8 x 457.2 mm) |
| Drivers | 15" (381mm) driver |
| Enclosure | sealed |
| Frequency Response | 23-200Hz, ±3dB |
| Measurement Source | Data-bass |
| Output SPL at 12.5 Hz | 91.9 dB |
| Output SPL at 15 Hz | 96.5 dB |
| Output SPL at 20 Hz | 100.6 dB |
| Output SPL at 25 Hz | 107.2 dB |
| Output SPL at 31.5 Hz | 110.6 dB |
| Output SPL at 40 Hz | 114.7 dB |
| Output SPL at 50 Hz | 117.9 dB |
| Output SPL at 63 Hz | 119.1 dB |
| Output SPL at 80 Hz | 119.4 dB |
| Output SPL at 100 Hz | 119.3 dB |
| Output SPL at 125 Hz | 118.6 dB |
| Warranty | 5 |
| Weight | 67 lbs (30.4 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Independently measured by Data-bass; the published figures above come from this ASR subwoofer measurement thread.
- Head-to-Head Comparisons
- Power Sound Audio (PSA) XS15SE vs Starke Sound SW15
- Power Sound Audio (PSA) XS15SE vs JBL HDI-1200P
- Power Sound Audio (PSA) XS15SE vs Power Sound Audio (PSA) XS15-BASE
- Power Sound Audio (PSA) XS15SE vs Power Sound Audio (PSA) XS15
- Power Sound Audio (PSA) XS15SE vs SVS SB-3000
- Power Sound Audio (PSA) XS15SE vs Monoprice SW-15
- Power Sound Audio (PSA) XS15SE vs SVS SB-2000
- Power Sound Audio (PSA) XS15SE vs Monoprice SW-12
- See all 15 comparisons