Short answer: the Monoprice Premium Select 8in 200-Watt. It ranks #33 of 48 subwoofers by sound quality at $224.99; the PSB Speakers SubSeries 100 ranks #47 and costs $299, so there is little reason to consider the other one.
What the Monoprice Premium Select 8in 200-Watt offers: 8-inch ported driver still manages 106.4dB CEA-2010-A average at the lowest price of any subwoofer tested in this weight class. An easy entry point for a first subwoofer. Watch for: Very compact 8.4 kg size, limited 106.4 dB output, ported room interaction, and entry-level build.
What the PSB Speakers SubSeries 100 offers: Independent CEA-2010 testing records 78.1 dB at 20 Hz and 99.2 dB (avg of 3/4 bands) through 40-80 Hz. The sealed enclosure with 5.25” (133mm) driver is best suited to upper-bass support in a modest room. Watch for: Deep-bass output is limited relative to its midbass result, so it is not the right choice for the lowest movie effects. The 161.8H x 161.8W x 199.9D mm cabinet and 2.7 kg mass still need deliberate placement and calibration.
Buy the Monoprice Premium Select 8in 200-Watt. It ranks higher for sound quality than the PSB Speakers SubSeries 100 and costs less, so there is no real case for the other one.
Skip the PSB Speakers SubSeries 100 if sound quality matters to you. It ranks near the bottom of the 48 subwoofers.
Looking for alternatives? See the complete Subwoofers rankings.
Specifications Side By Side
| Monoprice Premium Select 8in 200-Watt | PSB Speakers SubSeries 100 | |
|---|---|---|
| Price | $224.99 | $299 |
| Ranked | #33 of 48 in Small Home Subwoofers (Under 30 lbs) | #47 of 48 in Small Home Subwoofers (Under 30 lbs) |
| Enclosure | ported, front | sealed |
| Output SPL at 20 Hz | 51.3 dB | 78.1 dB |
| Output SPL at 25 Hz | 69.3 dB | 81.4 dB |
| Output SPL at 31.5 Hz | 91.8 dB | 87.6 dB |
| Output SPL at 40 Hz | 98.3 dB | 94.1 dB |
| Output SPL at 50 Hz | 104.8 dB | 99.3 dB |
| Output SPL at 63 Hz | 110.7 dB | 104.3 dB |
| Output SPL at 80 Hz | 111.8 dB | - |
| CEA-2010-A Average (40-80Hz) | 106.4 dB | 99.2 dB (avg of 3/4 bands) |
| Dimensions | 15"H x 10.6"W x 12.8"D (381.0 x 269.2 x 325.1 mm) | 6.4"H x 6.4"W x 7.9"D (161.8 x 161.8 x 199.9 mm) |
| Weight | 18.5 lbs (8.4 kg) | 6 lbs (2.7 kg) |
| Cabinet Color | black | - |
| Country | United States | Canada |
| Measurement Source | Brent Butterworth | Brent Butterworth |
| Drivers | 8" (203mm) driver | 5.25" (133mm) driver |
| Warranty | - | 5 |
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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
Monoprice Premium Select 8in 200-Watt: $224.99 Amazon eBay
Pros: 8-inch ported driver still manages 106.4dB CEA-2010-A average at the lowest price of any subwoofer tested in this weight class. An easy entry point for a first subwoofer.
Cons: Very compact 8.4 kg size, limited 106.4 dB output, ported room interaction, and entry-level build.
Notes: Product # 14567
Full Monoprice Premium Select 8in 200-Watt review and specifications →
| CEA-2010-A Average (40-80Hz) | 106.4 dB |
|---|---|
| Cabinet Color | black |
| Country | United States |
| Dimensions | 15"H x 10.6"W x 12.8"D (381.0 x 269.2 x 325.1 mm) |
| Drivers | 8" (203mm) driver |
| Enclosure | ported, front |
| Measurement Source | Brent Butterworth |
| Output SPL at 20 Hz | 51.3 dB |
| Output SPL at 25 Hz | 69.3 dB |
| Output SPL at 31.5 Hz | 91.8 dB |
| Output SPL at 40 Hz | 98.3 dB |
| Output SPL at 50 Hz | 104.8 dB |
| Output SPL at 63 Hz | 110.7 dB |
| Output SPL at 80 Hz | 111.8 dB |
| Weight | 18.5 lbs (8.4 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Independently measured by Brent Butterworth; the published figures above come from this ASR subwoofer measurement thread.
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PSB Speakers SubSeries 100: $299 eBay
Pros: Independent CEA-2010 testing records 78.1 dB at 20 Hz and 99.2 dB (avg of 3/4 bands) through 40-80 Hz. The sealed enclosure with 5.25” (133mm) driver is best suited to upper-bass support in a modest room.
Cons: Deep-bass output is limited relative to its midbass result, so it is not the right choice for the lowest movie effects. The 161.8H x 161.8W x 199.9D mm cabinet and 2.7 kg mass still need deliberate placement and calibration.
Full PSB Speakers SubSeries 100 review and specifications →
| CEA-2010-A Average (40-80Hz) | 99.2 dB (avg of 3/4 bands) |
|---|---|
| Country | Canada |
| Dimensions | 6.4"H x 6.4"W x 7.9"D (161.8 x 161.8 x 199.9 mm) |
| Drivers | 5.25" (133mm) driver |
| Enclosure | sealed |
| Measurement Source | Brent Butterworth |
| Output SPL at 20 Hz | 78.1 dB |
| Output SPL at 25 Hz | 81.4 dB |
| Output SPL at 31.5 Hz | 87.6 dB |
| Output SPL at 40 Hz | 94.1 dB |
| Output SPL at 50 Hz | 99.3 dB |
| Output SPL at 63 Hz | 104.3 dB |
| Warranty | 5 |
| Weight | 6 lbs (2.7 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