Short answer: the Power Sound Audio (PSA) V3600I if sound quality matters most, the HSU Research VTF-3 MK5 HP if price matters most. The Power Sound Audio (PSA) V3600I ranks #10 of 110 subwoofers at $6995. The HSU Research VTF-3 MK5 HP ranks #52 at $1049, $5946 cheaper.
What the HSU Research VTF-3 MK5 HP offers: Ported cabinet delivers 121.4dB CEA-2010-A average, one of the best price-to-output ratios in this weight class. Watch for: Ported design requires careful room placement, mid-size 39 kg cabinet, and mid-range output.
What the Power Sound Audio (PSA) V3600I offers: Published CEA-2010 specifications list 119.4 dB at 20 Hz and 128.3 dB (avg of 3/4 bands) through 40-80 Hz. The ported, front enclosure with 2x 18” (457mm) driver has the headroom for demanding film bass in a large room. Watch for: The 1117.6H x 508.0W x 635.0D mm cabinet and 88.9 kg mass make this a serious placement and moving commitment. Ported output does not solve room modes, so careful placement and calibration remain essential.
Buy the HSU Research VTF-3 MK5 HP when the price outweighs sound quality for you, and the Power Sound Audio (PSA) V3600I when sound quality outweighs the price instead.
Want more options? Browse the full Subwoofers rankings.
Specifications Side By Side
| HSU Research VTF-3 MK5 HP | Power Sound Audio (PSA) V3600I | |
|---|---|---|
| Price | $1,099 | $6995 |
| Ranked | #52 of 110 in Large Home Subwoofers (Over 75 lbs) | #10 of 110 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 |
Related Speaker Comparisons
How Power Sound Audio (PSA) V3600I compares with other leading options:
- Power Sound Audio (PSA) T18 vs Power Sound Audio (PSA) V3600I
- JTR Speakers Captivator S2 vs Power Sound Audio (PSA) V3600I
- Funk Audio Ultra 24.0 vs Power Sound Audio (PSA) V3600I
- Funk Audio Custom 21.0 vs Power Sound Audio (PSA) V3600I
- Monoprice Monolith 16 THX Ultra vs Power Sound Audio (PSA) V3600I
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
HSU Research VTF-3 MK5 HP: $1,099 HSU Research eBay
Pros: Ported cabinet delivers 121.4dB CEA-2010-A average, one of the best price-to-output ratios in this weight class.
Cons: Ported design requires careful room placement, mid-size 39 kg cabinet, and mid-range output.
Notes: Price includes shipping
Full HSU Research VTF-3 MK5 HP review and specifications →
| CEA-2010-A Average (40-80Hz) | 121.4 dB |
|---|---|
| Cabinet Color | black |
| Country | United States |
| Dimensions | 25"H x 17.2"W x 24"D (635.0 x 438.1 x 609.6 mm) |
| Drivers | 15" (381mm) driver |
| Enclosure | ported, front |
| Measurement Source | Manufacturer |
| Output SPL at 15 Hz | 100.8 dB |
| Output SPL at 20 Hz | 108.2 dB |
| Output SPL at 25 Hz | 113.4 dB |
| Output SPL at 31.5 Hz | 118.2 dB |
| Output SPL at 40 Hz | 121.9 dB |
| Output SPL at 50 Hz | 122.3 dB |
| Output SPL at 63 Hz | 121.1 dB |
| Output SPL at 80 Hz | 120.4 dB |
| Warranty | 7/2(+3) |
| Weight | 85.1 lbs (38.6 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- These figures are manufacturer-specified rather than independently measured.
- Head-to-Head Comparisons
- HSU Research VTF-3 MK5 HP vs Rythmik FV18
- HSU Research VTF-3 MK5 HP vs SVS PB-3000
- HSU Research VTF-3 MK5 HP vs HSU Research VTF-15H MK2
- HSU Research VTF-3 MK5 HP vs Harbottle Audio C24 L1
- HSU Research VTF-3 MK5 HP vs JTR Speakers Captivator RS1
- HSU Research VTF-3 MK5 HP vs Rythmik FV15HP
- HSU Research VTF-3 MK5 HP vs Monoprice Monolith 13 THX Ultra
- HSU Research VTF-3 MK5 HP vs Arendal 1723 Subwoofer 2V
- See all 54 comparisons
Power Sound Audio (PSA) V3600I: $6995 eBay
Pros: Published CEA-2010 specifications list 119.4 dB at 20 Hz and 128.3 dB (avg of 3/4 bands) through 40-80 Hz. The ported, front enclosure with 2x 18” (457mm) driver has the headroom for demanding film bass in a large room.
Cons: The 1117.6H x 508.0W x 635.0D mm cabinet and 88.9 kg mass make this a serious placement and moving commitment. Ported output does not solve room modes, so careful placement and calibration remain essential.
Full Power Sound Audio (PSA) V3600I review and specifications →
| CEA-2010-A Average (40-80Hz) | 128.3 dB (avg of 3/4 bands) |
|---|---|
| Country | United States |
| Dimensions | 44"H x 20"W x 25"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) |
- Links
- Reviews, Comparisons and Sound Samples
- These figures are manufacturer-specified rather than independently measured.
- Head-to-Head Comparisons
- Power Sound Audio (PSA) V3600I vs Funk Audio Ultra 24.0
- Power Sound Audio (PSA) V3600I vs JTR Speakers Captivator S2
- Power Sound Audio (PSA) V3600I vs Funk Audio Custom 21.0
- Power Sound Audio (PSA) V3600I vs Power Sound Audio (PSA) T18
- Power Sound Audio (PSA) V3600I vs Monoprice Monolith 16 THX Ultra