Short answer: the HSU Research VTF-3 MK5 HP, if you are buying new. The Power Sound Audio (PSA) V3600I ranks higher than it (#10 vs #59 of 143 subwoofers, 4.5/5 vs 4.2/5) but is discontinued, so only consider it used; the HSU Research VTF-3 MK5 HP is still sold new at $1,049.
Why pick the HSU Research VTF-3 MK5 HP: A 15 inch ported subwoofer with excellent output for the money, a strong value pick for movies and music. Watch for: Ported design requires careful room placement, mid-size 86 lbs (39 kg) cabinet, and mid-range output.
What the Power Sound Audio (PSA) V3600I does well: A towering dual 18 inch ported subwoofer with very strong output down to the lowest notes, made for big home theaters. The tradeoff: The 1117.6H x 508.0W x 635.0D mm cabinet and 196 lbs (88.9 kg) mass make this a serious placement and moving commitment.
Buy the HSU Research VTF-3 MK5 HP, since the Power Sound Audio (PSA) V3600I is discontinued and only worth hunting down used.
Want more options? Browse the full Subwoofers rankings.
A 15 inch ported subwoofer with excellent output for the money, a strong value pick for movies and music.
A towering dual 18 inch ported subwoofer with very strong output down to the lowest notes, made for big home theaters.
Prices on this page were last checked October 31, 2026 at 7:11 PM 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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Specifications Side By Side
| HSU Research VTF-3 MK5 HP | Power Sound Audio (PSA) V3600I | |
|---|---|---|
| Price | $1,049.00 | $6,995 Discontinued |
| Ranked | #59 of 143 in Large Home Subwoofers (Over 75 lbs) | #10 of 143 in Large Home Subwoofers (Over 75 lbs) |
| Enclosure | ported, front | ported, front |
| Output SPL at 15 Hz | 100.8 dB | - |
| Output SPL at 20 Hz | 108.2 dB | 119.4 dB |
| Output SPL at 25 Hz | 113.4 dB | 119.4 dB |
| Output SPL at 31.5 Hz | 118.2 dB | 119.4 dB |
| Output SPL at 40 Hz | 121.9 dB | 128.3 dB |
| Output SPL at 50 Hz | 122.3 dB | 128.3 dB |
| Output SPL at 63 Hz | 121.1 dB | 128.3 dB |
| Output SPL at 80 Hz | 120.4 dB | - |
| CEA-2010-A Average (40-80Hz) | 121.4 dB | 128.3 dB (avg of 3/4 bands) |
| Dimensions | 25”H x 17.2”W x 24”D (635.0 x 438.1 x 609.6 mm) | 44”H x 20”W x 25”D (1117.6 x 508.0 x 635.0 mm) |
| Weight | 85.1 lbs (38.6 kg) | 196 lbs (88.9 kg) |
| Warranty | 7/2(+3) | 5 |
| Cabinet Color | black | - |
| Country | United States | United States |
| Measurement Source | Manufacturer | Manufacturer |
| Drivers | 15” (381mm) driver | 2x 18” (457mm) driver |
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