Short answer: the Rythmik FV25HP. It ranks #22 of 109 subwoofers by sound quality, rated 4.4/5, at $2,499; the JTR Speakers Captivator 1400 ranks #28, rated 4.3/5, at $2,495. Close enough in price that the sound-quality gap is the deciding factor.
What the Rythmik FV25HP does well: Independent CEA-2010 testing records 116.6 dB at 20 Hz and 126.2 dB through 40-80 Hz. Watch for: The 1054.1H x 533.4W x 558.8D mm cabinet and 95.3 kg mass make this a serious placement and moving commitment.
What the JTR Speakers Captivator 1400 does well: Independent CEA-2010 testing records 116.1 dB at 20 Hz and 125.2 dB through 40-80 Hz. The catch: The 508.0H x 762.0W x 571.5D mm cabinet and 64.4 kg mass make this a serious placement and moving commitment.
One note: the Rythmik FV25HP is no longer sold new, but at #22 of 109 subwoofers by sound quality it still outranks most current models, so used is worth considering.
Buy the Rythmik FV25HP. It is rated higher for sound quality, and the $4 you would save on the JTR Speakers Captivator 1400 does not close the gap.
Still deciding? The full Subwoofers rankings cover every ranked option.
Specifications Side By Side
| Rythmik FV25HP | JTR Speakers Captivator 1400 | |
|---|---|---|
| Price | $2499 Discontinued | $2495 Discontinued |
| Ranked | #22 of 109 in Large Home Subwoofers (Over 75 lbs) | #28 of 109 in Large Home Subwoofers (Over 75 lbs) |
| Enclosure | ported, front | ported, front |
| Output SPL at 10 Hz | 99.7 dB | - |
| Output SPL at 12.5 Hz | 108.4 dB | 99.3 dB |
| Output SPL at 15 Hz | 113.2 dB | 111.9 dB |
| Output SPL at 20 Hz | 116.6 dB | 116.1 dB |
| Output SPL at 25 Hz | 119.1 dB | 119.2 dB |
| Output SPL at 31.5 Hz | 122.4 dB | 121.7 dB |
| Output SPL at 40 Hz | 124.7 dB | 124.8 dB |
| Output SPL at 50 Hz | 126.1 dB | 126.4 dB |
| Output SPL at 63 Hz | 126.7 dB | 125.4 dB |
| Output SPL at 80 Hz | 127.3 dB | 124.0 dB |
| Output SPL at 100 Hz | 127.9 dB | 126.0 dB |
| Output SPL at 125 Hz | 127.8 dB | 124.7 dB |
| CEA-2010-A Average (40-80Hz) | 126.2 dB | 125.2 dB |
| Dimensions | 41.5”H x 21”W x 22”D (1054.1 x 533.4 x 558.8 mm) | 20”H x 30”W x 22.5”D (508.0 x 762.0 x 571.5 mm) |
| Weight | 210.1 lbs (95.3 kg) | 142 lbs (64.4 kg) |
| Warranty | 5/3 | 5/3 |
| Cabinet Color | black | - |
| Country | United States | United States |
| Measurement Source | Data-bass | Data-bass |
| Drivers | 2x 15” (381mm) driver | 18” (457mm) driver |
| Inputs | XLR (2), RCA (line/LFE) | XLR, RCA |
| XLR Input | Yes | Yes |
| RCA Input | Yes | Yes |
| TRS Input | No | No |
| Optical Input | No | No |
| Coaxial Input | No | No |
| USB Input | No | No |
| HDMI Input | No | No |
| AES Input | No | No |
| Aux Input | No | No |
Related Speaker Comparisons
More worthwhile head-to-heads for Rythmik FV25HP:
- Rythmik FV25HP vs Funk Audio Ultra 24.0
- Rythmik FV25HP vs JTR Speakers Growler (2015)
- Rythmik FV25HP vs Harbinger V2218S
- Rythmik FV25HP vs Funk Audio Classic 18.0
- Monoprice Monolith 16 THX Ultra vs Rythmik FV25HP
Prices on this page were last checked September 30, 2026 at 2:57 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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The Two Speakers In Full
Rythmik FV25HP: $2499 Discontinued eBay
Pros: Independent CEA-2010 testing records 116.6 dB at 20 Hz and 126.2 dB through 40-80 Hz. The ported, front enclosure with 2x 15” (381mm) driver has the headroom for demanding film bass in a large room.
Cons: The 1054.1H x 533.4W x 558.8D mm cabinet and 95.3 kg mass make this a serious placement and moving commitment. Ported output does not solve room modes, so careful placement and calibration remain essential. Discontinued.
Full Rythmik FV25HP review and specifications →
| AES Input | No |
|---|---|
| Aux Input | No |
| CEA-2010-A Average (40-80Hz) | 126.2 dB |
| Cabinet Color | black |
| Coaxial Input | No |
| Country | United States |
| Dimensions | 41.5”H x 21”W x 22”D (1054.1 x 533.4 x 558.8 mm) |
| Drivers | 2x 15” (381mm) driver |
| Enclosure | ported, front |
| HDMI Input | No |
| Inputs | XLR (2), RCA (line/LFE) |
| Measurement Source | Data-bass |
| Optical Input | No |
| Output SPL at 10 Hz | 99.7 dB |
| Output SPL at 12.5 Hz | 108.4 dB |
| Output SPL at 15 Hz | 113.2 dB |
| Output SPL at 20 Hz | 116.6 dB |
| Output SPL at 25 Hz | 119.1 dB |
| Output SPL at 31.5 Hz | 122.4 dB |
| Output SPL at 40 Hz | 124.7 dB |
| Output SPL at 50 Hz | 126.1 dB |
| Output SPL at 63 Hz | 126.7 dB |
| Output SPL at 80 Hz | 127.3 dB |
| Output SPL at 100 Hz | 127.9 dB |
| Output SPL at 125 Hz | 127.8 dB |
| RCA Input | Yes |
| TRS Input | No |
| USB Input | No |
| Warranty | 5/3 |
| Weight | 210.1 lbs (95.3 kg) |
| XLR Input | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- Independently measured by Data-bass; the published figures above come from this ASR subwoofer measurement thread.
- Head-to-Head Comparisons
- Rythmik FV25HP vs Monoprice Monolith M-215
- Rythmik FV25HP vs Monoprice Monolith 16 THX Ultra
- Rythmik FV25HP vs Funk Audio Classic 18.0
- Rythmik FV25HP vs Harbinger V2218S
- Rythmik FV25HP vs JTR Speakers Growler (2015)
- Rythmik FV25HP vs Funk Audio Ultra 24.0
- Rythmik FV25HP vs Rythmik FV15HP
- Rythmik FV25HP vs SVS PB-4000
- See all 13 comparisons
JTR Speakers Captivator 1400: $2495 Discontinued eBay
Pros: Independent CEA-2010 testing records 116.1 dB at 20 Hz and 125.2 dB through 40-80 Hz. The ported, front enclosure with 18” (457mm) driver has the headroom for demanding film bass in a large room.
Cons: The 508.0H x 762.0W x 571.5D mm cabinet and 64.4 kg mass make this a serious placement and moving commitment. Ported output does not solve room modes, so careful placement and calibration remain essential. Discontinued.
Full JTR Speakers Captivator 1400 review and specifications →
| AES Input | No |
|---|---|
| Aux Input | No |
| CEA-2010-A Average (40-80Hz) | 125.2 dB |
| Coaxial Input | No |
| Country | United States |
| Dimensions | 20”H x 30”W x 22.5”D (508.0 x 762.0 x 571.5 mm) |
| Drivers | 18” (457mm) driver |
| Enclosure | ported, front |
| HDMI Input | No |
| Inputs | XLR, RCA |
| Measurement Source | Data-bass |
| Optical Input | No |
| Output SPL at 12.5 Hz | 99.3 dB |
| Output SPL at 15 Hz | 111.9 dB |
| Output SPL at 20 Hz | 116.1 dB |
| Output SPL at 25 Hz | 119.2 dB |
| Output SPL at 31.5 Hz | 121.7 dB |
| Output SPL at 40 Hz | 124.8 dB |
| Output SPL at 50 Hz | 126.4 dB |
| Output SPL at 63 Hz | 125.4 dB |
| Output SPL at 80 Hz | 124.0 dB |
| Output SPL at 100 Hz | 126.0 dB |
| Output SPL at 125 Hz | 124.7 dB |
| RCA Input | Yes |
| TRS Input | No |
| USB Input | No |
| Warranty | 5/3 |
| Weight | 142 lbs (64.4 kg) |
| XLR Input | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- Independently measured by Data-bass; the published figures above come from this ASR subwoofer measurement thread.
- Head-to-Head Comparisons
- JTR Speakers Captivator 1400 vs Power Sound Audio (PSA) S3600i
- JTR Speakers Captivator 1400 vs Monoprice Monolith M-215
- JTR Speakers Captivator 1400 vs Monoprice Monolith 16 THX Ultra
- JTR Speakers Captivator 1400 vs Funk Audio Classic 18.0
- JTR Speakers Captivator 1400 vs Harbinger V2218S
- JTR Speakers Captivator 1400 vs JTR Speakers Growler (2015)
- JTR Speakers Captivator 1400 vs Funk Audio Ultra 24.0
- JTR Speakers Captivator 1400 vs JTR Speakers Captivator S2
- See all 16 comparisons