Short answer: the Power Sound Audio (PSA) XS15SE. It ranks #22 of 145 subwoofers by sound quality at $1499; the Kef KC62 ranks #145 and costs $1699.99, so there is little reason to consider the other one.
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.
What the Kef KC62 offers: Dual 6.5-inch force-canceling drivers with 1000W in ultra-compact basketball-sized sealed enclosure. Deep extension to 11Hz with five room placement EQ presets. Elegant design fits any décor. Watch for: No detailed measurement caveats are currently recorded.
Buy the Power Sound Audio (PSA) XS15SE. It ranks higher for sound quality than the Kef KC62 and costs less, so the other one has nothing left to offer.
The Kef KC62 is not a sound-quality pick. It sits near the bottom of the 145 subwoofers; there are better options higher up.
Still deciding? The full Subwoofers rankings cover every ranked option.
Specifications Side By Side
| Power Sound Audio (PSA) XS15SE | Kef KC62 | |
|---|---|---|
| Price | $1499 | $1,699.99 |
| Ranked | #22 of 145 in Medium Home Subwoofers (30-75 lbs) | #145 of 145 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | sealed | sealed |
| 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 | 80.0 dB |
| Output SPL at 25 Hz | 107.2 dB | 84.6 dB |
| Output SPL at 31.5 Hz | 110.6 dB | 88.5 dB |
| Output SPL at 40 Hz | 114.7 dB | 92.2 dB |
| Output SPL at 50 Hz | 117.9 dB | 95.1 dB |
| Output SPL at 63 Hz | 119.1 dB | 97.7 dB |
| Output SPL at 80 Hz | 119.4 dB | 102.6 dB |
| Output SPL at 100 Hz | 119.3 dB | 104.2 dB |
| Output SPL at 125 Hz | 118.6 dB | - |
| CEA-2010-A Average (40-80Hz) | 117.8 dB | 96.9 dB |
| Dimensions | 19.5"H x 17"W x 18"D (495.3 x 431.8 x 457.2 mm) | 9.7"H x 10.1"W x 9.8"D (245.9 x 255.8 x 247.9 mm) |
| Weight | 67 lbs (30.4 kg) | 30.9 lbs (14.0 kg) |
| Warranty | 5 | 5/2/5 |
| Country | United States | United Kingdom |
| Measurement Source | Data-bass | ErinsAudioCorner |
| Frequency Response | 23-200Hz, ±3dB | 11-200Hz |
| Amplifier Power | 550W RMS / 1650W peak | 1000W RMS |
| Drivers | 15" (381mm) driver | 2x 6.5" (165mm) driver |
| Cabinet Color | - | black, white |
Related Speaker Comparisons
More top alternatives to Power Sound Audio (PSA) XS15SE:
- JTR Speakers Captivator 212PRO vs Power Sound Audio (PSA) XS15SE
- MartinLogan Dynamo 1600X vs Power Sound Audio (PSA) XS15SE
- HSU Research ULS-15 MK2 vs Power Sound Audio (PSA) XS15SE
- Monoprice SW-12 vs Power Sound Audio (PSA) XS15SE
- Power Sound Audio (PSA) XS15SE vs Power Sound Audio (PSA) XV15
Prices on this page were last checked September 16, 2026 at 12:41 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.
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The Two Speakers In Full
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 Rythmik F12
- 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
- See all 21 comparisons
Kef KC62: $1,699.99 Amazon eBay
Pros: Dual 6.5-inch force-canceling drivers with 1000W in ultra-compact basketball-sized sealed enclosure. Deep extension to 11Hz with five room placement EQ presets. Elegant design fits any décor.
Full Kef KC62 review and specifications →
| Amplifier Power | 1000W RMS |
|---|---|
| CEA-2010-A Average (40-80Hz) | 96.9 dB |
| Cabinet Color | black, white |
| Country | United Kingdom |
| Dimensions | 9.7"H x 10.1"W x 9.8"D (245.9 x 255.8 x 247.9 mm) |
| Drivers | 2x 6.5" (165mm) driver |
| Enclosure | sealed |
| Frequency Response | 11-200Hz |
| Measurement Source | ErinsAudioCorner |
| Output SPL at 20 Hz | 80.0 dB |
| Output SPL at 25 Hz | 84.6 dB |
| Output SPL at 31.5 Hz | 88.5 dB |
| Output SPL at 40 Hz | 92.2 dB |
| Output SPL at 50 Hz | 95.1 dB |
| Output SPL at 63 Hz | 97.7 dB |
| Output SPL at 80 Hz | 102.6 dB |
| Output SPL at 100 Hz | 104.2 dB |
| Warranty | 5/2/5 |
| Weight | 30.9 lbs (14.0 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Independently measured by ErinsAudioCorner; the published figures above come from this ASR subwoofer measurement thread.
- Head-to-Head Comparisons