Short answer: the Funk Audio Custom 21.0 for the higher ranking, the Funk Audio Classic 18.0 for the lower price. The Funk Audio Custom 21.0 ranks #10 of 97 subwoofers at $6061.91. The Funk Audio Classic 18.0 ranks #11 at $4893.35, $1168.56 cheaper.
Buy the Funk Audio Classic 18.0 if the price matters more than the ranking. Buy the Funk Audio Custom 21.0 if the ranking matters more than the price.
Specifications Side By Side
| Funk Audio Classic 18.0 | Funk Audio Custom 21.0 | |
|---|---|---|
| Price | $4,893.35 | $6,061.91 |
| Ranked | #11 of 97 in Large Powered Home Subwoofers (Over 75 lbs) | #10 of 97 in Large Powered Home Subwoofers (Over 75 lbs) |
| Enclosure | sealed | sealed |
| Output SPL at 10 Hz | 94.6 dB | 97.4 dB |
| Output SPL at 12.5 Hz | 98.4 dB | 101.1 dB |
| Output SPL at 15 Hz | 102.3 dB | 105.7 dB |
| Output SPL at 20 Hz | 106.5 dB | 109.8 dB |
| Output SPL at 25 Hz | 111.7 dB | 114.2 dB |
| Output SPL at 31.5 Hz | 119.0 dB | 120.4 dB |
| Output SPL at 40 Hz | 124.6 dB | 124.1 dB |
| Output SPL at 50 Hz | 126.8 dB | 126.8 dB |
| Output SPL at 63 Hz | 128.4 dB | 129.0 dB |
| Output SPL at 80 Hz | 129.6 dB | 131.0 dB |
| Output SPL at 100 Hz | 130.2 dB | 132.6 dB |
| Output SPL at 125 Hz | 130.8 dB | 133.0 dB |
| CEA-2010-A Average (40-80Hz) | 127.3 dB | 127.7 dB |
| Dimensions | 22.5"H x 22.0"W x 20.5"D (571.5 x 558.8 x 520.7 mm) | 22.75"H x 22.25"W x 20.5"D (577.9 x 565.1 x 520.7 mm) |
| Weight | 115.1 lbs / 52.2 kg | 145.1 lbs / 65.8 kg |
| Warranty | 3 | 3 |
| Cabinet Color | wood, custom | wood, custom |
| Country | Canada | Canada |
| Measurement Source | Data-bass | Data-bass |
| Drivers | 18" (457mm) driver | 21" (533mm) driver |
The Two Speakers In Full
Funk Audio Classic 18.0: $4,893.35
Notes: Data-bass labeled this sub as ‘FW18.0’, but original name is 18.0
| CEA-2010-A Average (40-80Hz) | 127.3 dB |
|---|---|
| Cabinet Color | wood, custom |
| Country | Canada |
| Dimensions | 22.5"H x 22.0"W x 20.5"D (571.5 x 558.8 x 520.7 mm) |
| Drivers | 18" (457mm) driver |
| Enclosure | sealed |
| Measurement Source | Data-bass |
| Output SPL at 10 Hz | 94.6 dB |
| Output SPL at 12.5 Hz | 98.4 dB |
| Output SPL at 15 Hz | 102.3 dB |
| Output SPL at 20 Hz | 106.5 dB |
| Output SPL at 25 Hz | 111.7 dB |
| Output SPL at 31.5 Hz | 119.0 dB |
| Output SPL at 40 Hz | 124.6 dB |
| Output SPL at 50 Hz | 126.8 dB |
| Output SPL at 63 Hz | 128.4 dB |
| Output SPL at 80 Hz | 129.6 dB |
| Output SPL at 100 Hz | 130.2 dB |
| Output SPL at 125 Hz | 130.8 dB |
| Warranty | 3 |
| Weight | 115.1 lbs / 52.2 kg |
- Head-to-Head Comparisons
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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
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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.