Short answer: the Power Sound Audio (PSA) V3600I for the higher ranking, the Funk Audio Custom 21.0 for the lower price. The Power Sound Audio (PSA) V3600I ranks #8 of 97 subwoofers at $6995. The Funk Audio Custom 21.0 ranks #10 at $6061.91, $933.09 cheaper.
Buy the Funk Audio Custom 21.0 if the price matters more than the ranking. Buy the Power Sound Audio (PSA) V3600I if the ranking matters more than the price.
Specifications Side By Side
| Funk Audio Custom 21.0 | Power Sound Audio (PSA) V3600I | |
|---|---|---|
| Price | $6,061.91 | $6995 |
| Ranked | #10 of 97 in Large Powered Home Subwoofers (Over 75 lbs) | #8 of 97 in Large Powered Home Subwoofers (Over 75 lbs) |
| Enclosure | sealed | ported, front |
| Output SPL at 10 Hz | 97.4 dB | - |
| Output SPL at 12.5 Hz | 101.1 dB | - |
| Output SPL at 15 Hz | 105.7 dB | - |
| Output SPL at 20 Hz | 109.8 dB | 119.4 dB |
| Output SPL at 25 Hz | 114.2 dB | 119.4 dB |
| Output SPL at 31.5 Hz | 120.4 dB | 119.4 dB |
| Output SPL at 40 Hz | 124.1 dB | 128.3 dB |
| Output SPL at 50 Hz | 126.8 dB | 128.3 dB |
| Output SPL at 63 Hz | 129.0 dB | 128.3 dB |
| Output SPL at 80 Hz | 131.0 dB | - |
| Output SPL at 100 Hz | 132.6 dB | - |
| Output SPL at 125 Hz | 133.0 dB | - |
| CEA-2010-A Average (40-80Hz) | 127.7 dB | 128.3 dB (avg of 3/4 bands) |
| Dimensions | 22.75"H x 22.25"W x 20.5"D (577.9 x 565.1 x 520.7 mm) | 44.0"H x 20.0"W x 25.0"D (1117.6 x 508.0 x 635.0 mm) |
| Weight | 145.1 lbs / 65.8 kg | 196 lbs / 88.9 kg |
| Warranty | 3 | 5 |
| Cabinet Color | wood, custom | - |
| Country | Canada | United States |
| Measurement Source | Data-bass | Manufacturer |
| Drivers | 21" (533mm) driver | 2x 18" (457mm) driver |
The Two Speakers In Full
Funk Audio Custom 21.0: $6,061.91
Notes: Data-bass labeled this sub as ‘FW21.0’, but original name is 21.0
| CEA-2010-A Average (40-80Hz) | 127.7 dB |
|---|---|
| Cabinet Color | wood, custom |
| Country | Canada |
| Dimensions | 22.75"H x 22.25"W x 20.5"D (577.9 x 565.1 x 520.7 mm) |
| Drivers | 21" (533mm) driver |
| Enclosure | sealed |
| Measurement Source | Data-bass |
| Output SPL at 10 Hz | 97.4 dB |
| Output SPL at 12.5 Hz | 101.1 dB |
| Output SPL at 15 Hz | 105.7 dB |
| Output SPL at 20 Hz | 109.8 dB |
| Output SPL at 25 Hz | 114.2 dB |
| Output SPL at 31.5 Hz | 120.4 dB |
| Output SPL at 40 Hz | 124.1 dB |
| Output SPL at 50 Hz | 126.8 dB |
| Output SPL at 63 Hz | 129.0 dB |
| Output SPL at 80 Hz | 131.0 dB |
| Output SPL at 100 Hz | 132.6 dB |
| Output SPL at 125 Hz | 133.0 dB |
| Warranty | 3 |
| Weight | 145.1 lbs / 65.8 kg |
- Head-to-Head Comparisons
- Links
Power Sound Audio (PSA) V3600I: $6995
| CEA-2010-A Average (40-80Hz) | 128.3 dB (avg of 3/4 bands) |
|---|---|
| Country | United States |
| Dimensions | 44.0"H x 20.0"W x 25.0"D (1117.6 x 508.0 x 635.0 mm) |
| Drivers | 2x 18" (457mm) driver |
| Enclosure | ported, front |
| Measurement Source | Manufacturer |
| Output SPL at 20 Hz | 119.4 dB |
| Output SPL at 25 Hz | 119.4 dB |
| Output SPL at 31.5 Hz | 119.4 dB |
| Output SPL at 40 Hz | 128.3 dB |
| Output SPL at 50 Hz | 128.3 dB |
| Output SPL at 63 Hz | 128.3 dB |
| Warranty | 5 |
| Weight | 196 lbs / 88.9 kg |
- Head-to-Head Comparisons
- Links
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Product prices and availability were last checked August 9, 2026 at 6:57 AM UTC 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.