Short answer: the Power Sound Audio (PSA) XV15 on measured sound quality, the Kef KC62 on price. The Power Sound Audio (PSA) XV15 ranks #9 of 145 subwoofers at $1995. The Kef KC62 ranks #145 at $1699.99, $295.01 cheaper.
What the Power Sound Audio (PSA) XV15 offers: 15-inch ported downfirer with 500W delivers crisp detailed bass digging deep into lowest frequencies. 119.5dB output plays loud clean at 115dB peaks with no distortion. USA-built with durable finish. 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) XV15 if sound quality matters more than the price. Buy the Kef KC62 if the price matters more than sound quality.
The Kef KC62 is not a sound-quality pick. It sits near the bottom of the 145 subwoofers; there are better options higher up.
Want more options? Browse the full Subwoofers rankings.
Specifications Side By Side
| Power Sound Audio (PSA) XV15 | Kef KC62 | |
|---|---|---|
| Price | $1995 | $1,699.99 |
| Ranked | #9 of 145 in Medium Home Subwoofers (30-75 lbs) | #145 of 145 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | ported, bottom | sealed |
| Output SPL at 20 Hz | 110.2 dB | 80.0 dB |
| Output SPL at 25 Hz | 110.2 dB | 84.6 dB |
| Output SPL at 31.5 Hz | 110.2 dB | 88.5 dB |
| Output SPL at 40 Hz | 119.5 dB | 92.2 dB |
| Output SPL at 50 Hz | 119.5 dB | 95.1 dB |
| Output SPL at 63 Hz | 119.5 dB | 97.7 dB |
| CEA-2010-A Average (40-80Hz) | 119.5 dB (avg of 3/4 bands) | 96.9 dB |
| Dimensions | 23"H x 17"W x 22"D (584.2 x 431.8 x 558.8 mm) | 9.7"H x 10.1"W x 9.8"D (245.9 x 255.8 x 247.9 mm) |
| Weight | 75 lbs (34.0 kg) | 30.9 lbs (14.0 kg) |
| Warranty | 5 | 5/2/5 |
| Country | United States | United Kingdom |
| Measurement Source | Brent Butterworth | ErinsAudioCorner |
| Frequency Response | 21-200Hz | 11-200Hz |
| Amplifier Power | 500W RMS / 1000W peak | 1000W RMS |
| Inputs | Stereo line level and speaker level | - |
| Drivers | 15" (381mm) driver | 2x 6.5" (165mm) driver |
| Output SPL at 80 Hz | - | 102.6 dB |
| Output SPL at 100 Hz | - | 104.2 dB |
| Cabinet Color | - | black, white |
Related Speaker Comparisons
More worthwhile head-to-heads for Power Sound Audio (PSA) XV15:
- JTR Speakers Captivator 212PRO vs Power Sound Audio (PSA) XV15
- MartinLogan Dynamo 1600X vs Power Sound Audio (PSA) XV15
- HSU Research ULS-15 MK2 vs Power Sound Audio (PSA) XV15
- Monoprice SW-12 vs Power Sound Audio (PSA) XV15
- Paradigm Defiance X12 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) XV15: $1995 eBay
Pros: 15-inch ported downfirer with 500W delivers crisp detailed bass digging deep into lowest frequencies. 119.5dB output plays loud clean at 115dB peaks with no distortion. USA-built with durable finish.
Full Power Sound Audio (PSA) XV15 review and specifications →
| Amplifier Power | 500W RMS / 1000W peak |
|---|---|
| CEA-2010-A Average (40-80Hz) | 119.5 dB (avg of 3/4 bands) |
| Country | United States |
| Dimensions | 23"H x 17"W x 22"D (584.2 x 431.8 x 558.8 mm) |
| Drivers | 15" (381mm) driver |
| Enclosure | ported, bottom |
| Frequency Response | 21-200Hz |
| Inputs | Stereo line level and speaker level |
| Measurement Source | Brent Butterworth |
| Output SPL at 20 Hz | 110.2 dB |
| Output SPL at 25 Hz | 110.2 dB |
| Output SPL at 31.5 Hz | 110.2 dB |
| Output SPL at 40 Hz | 119.5 dB |
| Output SPL at 50 Hz | 119.5 dB |
| Output SPL at 63 Hz | 119.5 dB |
| Warranty | 5 |
| 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) XV15 vs Paradigm Defiance X12
- Power Sound Audio (PSA) XV15 vs Power Sound Audio (PSA) XV15-BASE
- Power Sound Audio (PSA) XV15 vs Monoprice SW-15
- Power Sound Audio (PSA) XV15 vs Monoprice SW-12
- Power Sound Audio (PSA) XV15 vs SVS SB-3000
- Power Sound Audio (PSA) XV15 vs HSU Research ULS-15 MK2
- Power Sound Audio (PSA) XV15 vs MartinLogan Dynamo 1600X
- Power Sound Audio (PSA) XV15 vs JTR Speakers Captivator 212PRO
- See all 17 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