Short answer: both are discontinued, so this only matters if you are buying used. Used, the PSB Speakers SubSeries 450 is the better pick: it ranks #6 of 167 subwoofers by sound quality (rated 4.2/5), against #90 (rated 3.7/5) for the PSB Speakers SubSeries 250. If you want one new, the SVS SB-3000 R|Evolution ranks #3 at $1,299.99.
The PSB Speakers SubSeries 450 is the better-sounding choice. 12-inch passive radiator with 400W RMS (1000W peak).
The case for the PSB Speakers SubSeries 250: 10-inch sealed cube with 200W RMS.
Buy the PSB Speakers SubSeries 450 only if you find one used in good condition; both are discontinued, and it is the better rated of the two. For a new speaker, start with the SVS SB-3000 R|Evolution instead.
Want more options? Browse the full Subwoofers rankings.
Specifications Side By Side
| PSB Speakers SubSeries 450 | PSB Speakers SubSeries 250 | |
|---|---|---|
| Price | $1,898.91 Discontinued | $584.28 Discontinued |
| Ranked | #6 of 167 in Medium Home Subwoofers (30-75 lbs) | #90 of 167 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | passive radiator | sealed |
| Output SPL at 20 Hz | 94.1 dB | 92.5 dB |
| Output SPL at 25 Hz | 107.1 dB | 96.7 dB |
| Output SPL at 31.5 Hz | 114.1 dB | 102.2 dB |
| Output SPL at 40 Hz | 117.4 dB | 106.9 dB |
| Output SPL at 50 Hz | 121.8 dB | 111.0 dB |
| Output SPL at 63 Hz | 124.3 dB | 115.7 dB |
| Output SPL at 80 Hz | 124.9 dB | 116.6 dB |
| CEA-2010-A Average (40-80Hz) | 122.1 dB | 112.5 dB |
| Dimensions | 15.1”H x 15.4”W x 16.6”D (384.0 x 390.4 x 422.1 mm) | 14.2”H x 13.6”W x 14.4”D (361.9 x 345.9 x 365.0 mm) |
| Weight | 43 lbs (19.5 kg) | 35.5 lbs (16.1 kg) |
| Warranty | 5 | 5 |
| Cabinet Color | black | black |
| Country | Canada | Canada |
| Measurement Source | Brent Butterworth | Brent Butterworth |
| Frequency Response | 20-150Hz, ±3dB | 20Hz+ |
| Amplifier Power | 400W RMS / 1000W peak | 200W RMS |
| Drivers | 12” (305mm) driver | 10” (254mm) driver |
| Output SPL at 16 Hz | - | 90.0 dB |
Related Speaker Comparisons
How PSB Speakers SubSeries 450 compares with other leading options:
- Monoprice SW-15 vs PSB Speakers SubSeries 450
- SVS SB-3000 vs PSB Speakers SubSeries 450
- PSB Speakers SubSeries 450 vs PSB Speakers SubSeries 200
- PSB Speakers SubSeries 450 vs PSB Speakers SubSeries 100
- MartinLogan Dynamo 1600X vs PSB Speakers SubSeries 250
Prices on this page were last checked October 4, 2026 at 9:58 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
PSB Speakers SubSeries 450: $1,898.91 Discontinued eBay
Pros: 12-inch passive radiator with 400W RMS (1000W peak). Pitch definition and precision equal to far pricier designs. Bass hits hard and tight without lingering in room. Strong presence in bass guitar range for music. Does it all well.
Cons: Discontinued.
Full PSB Speakers SubSeries 450 review and specifications →
| Amplifier Power | 400W RMS / 1000W peak |
|---|---|
| CEA-2010-A Average (40-80Hz) | 122.1 dB |
| Cabinet Color | black |
| Country | Canada |
| Dimensions | 15.1”H x 15.4”W x 16.6”D (384.0 x 390.4 x 422.1 mm) |
| Drivers | 12” (305mm) driver |
| Enclosure | passive radiator |
| Frequency Response | 20-150Hz, ±3dB |
| Measurement Source | Brent Butterworth |
| Output SPL at 20 Hz | 94.1 dB |
| Output SPL at 25 Hz | 107.1 dB |
| Output SPL at 31.5 Hz | 114.1 dB |
| Output SPL at 40 Hz | 117.4 dB |
| Output SPL at 50 Hz | 121.8 dB |
| Output SPL at 63 Hz | 124.3 dB |
| Output SPL at 80 Hz | 124.9 dB |
| Warranty | 5 |
| Weight | 43 lbs (19.5 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Independently measured by Brent Butterworth; the published figures above come from this ASR subwoofer measurement thread.
- Head-to-Head Comparisons
PSB Speakers SubSeries 250: $584.28 Discontinued eBay
Pros: 10-inch sealed cube with 200W RMS. Most musical of SubSeries models for dual movie/music use. Agile, detailed, and sonically refined. Limited to smaller room deployment but exceptional for compact installations.
Cons: Discontinued.
Full PSB Speakers SubSeries 250 review and specifications →
| Amplifier Power | 200W RMS |
|---|---|
| CEA-2010-A Average (40-80Hz) | 112.5 dB |
| Cabinet Color | black |
| Country | Canada |
| Dimensions | 14.2”H x 13.6”W x 14.4”D (361.9 x 345.9 x 365.0 mm) |
| Drivers | 10” (254mm) driver |
| Enclosure | sealed |
| Frequency Response | 20Hz+ |
| Measurement Source | Brent Butterworth |
| Output SPL at 16 Hz | 90.0 dB |
| Output SPL at 20 Hz | 92.5 dB |
| Output SPL at 25 Hz | 96.7 dB |
| Output SPL at 31.5 Hz | 102.2 dB |
| Output SPL at 40 Hz | 106.9 dB |
| Output SPL at 50 Hz | 111.0 dB |
| Output SPL at 63 Hz | 115.7 dB |
| Output SPL at 80 Hz | 116.6 dB |
| Warranty | 5 |
| Weight | 35.5 lbs (16.1 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Independently measured by Brent Butterworth; the published figures above come from this ASR subwoofer measurement thread.
- Head-to-Head Comparisons
- PSB Speakers SubSeries 250 vs PSB Speakers SubSeries 200
- PSB Speakers SubSeries 250 vs Jamo C 912 SUB
- PSB Speakers SubSeries 250 vs SVS SB-3000
- PSB Speakers SubSeries 250 vs Monoprice SW-15
- PSB Speakers SubSeries 250 vs MartinLogan Dynamo 1600X
- PSB Speakers SubSeries 250 vs PSB Speakers SubSeries 100