Short answer: the Monoprice 12in 150-Watt Powered. It ranks #89 of 145 subwoofers by sound quality, rated 3.6/5, at $183.43. The Bestisan SW65D ranks #140, rated 3.0/5, at $89.99, $93.44 cheaper, a saving that is not big enough to make up the sound-quality gap.
Why pick the Monoprice 12in 150-Watt Powered: 12-inch ported with 150W RMS delivers extraordinary output for the price.
Why pick the Bestisan SW65D: Compact 6.5-inch with 50W at budget $90 price.
Buy the Monoprice 12in 150-Watt Powered. It is rated higher for sound quality, and the $93.44 you would save on the Bestisan SW65D does not close the gap.
Looking for alternatives? See the complete Subwoofers rankings.
Specifications Side By Side
| Monoprice 12in 150-Watt Powered | Bestisan SW65D | |
|---|---|---|
| Price | $183.43 | $89.99 |
| Ranked | #89 of 145 in Medium Home Subwoofers (30-75 lbs) | #140 of 145 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | ported, bottom | ported, front |
| Output SPL at 20 Hz | 90.2 dB | - |
| Output SPL at 25 Hz | 89.8 dB | - |
| Output SPL at 31.5 Hz | 99.7 dB | - |
| Output SPL at 40 Hz | 105.1 dB | 94.3 dB |
| Output SPL at 50 Hz | 110.6 dB | 103.5 dB |
| Output SPL at 63 Hz | 115.7 dB | 110.0 dB |
| Output SPL at 80 Hz | 115.4 dB | 112.4 dB |
| Output SPL at 100 Hz | 114.2 dB | - |
| Output SPL at 125 Hz | 113.3 dB | - |
| CEA-2010-A Average (40-80Hz) | 111.7 dB | 105.0 dB |
| Dimensions | 17”H x 17.3”W x 17.5”D (431.8 x 439.4 x 444.5 mm) | 12.6”H x 3”W x 12.6”D (320.0 x 76.2 x 320.0 mm) |
| Weight | 53.8 lbs (24.4 kg) | 37.9 lbs (17.2 kg) |
| Cabinet Color | black | black |
| Country | United States | China |
| Measurement Source | ErinsAudioCorner | Brent Butterworth |
| Amplifier Power | 150W RMS | 50W RMS |
| Frequency Response | 25-250Hz | 40-250Hz |
| Drivers | 12” (305mm) driver | 6.5” (165mm) driver |
Related Speaker Comparisons
More top alternatives to Monoprice 12in 150-Watt Powered:
- Monoprice SW-15 vs Monoprice 12in 150-Watt Powered
- SVS SB-3000 vs Monoprice 12in 150-Watt Powered
- Klipsch R-12SW vs Bestisan SW65D
- RSL (Rogersound Labs) Speedwoofer 10E vs Bestisan SW65D
- Monoprice SW-15 vs Bestisan SW65D
Prices on this page were last checked September 29, 2026 at 3:43 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
Monoprice 12in 150-Watt Powered: $183.43 Amazon eBay
Pros: 12-inch ported with 150W RMS delivers extraordinary output for the price. Excellent performance reaches 111.7dB average. Easy setup at ultra-budget price point.
Notes: Product # 9723
Full Monoprice 12in 150-Watt Powered review and specifications →
| Amplifier Power | 150W RMS |
|---|---|
| CEA-2010-A Average (40-80Hz) | 111.7 dB |
| Cabinet Color | black |
| Country | United States |
| Dimensions | 17”H x 17.3”W x 17.5”D (431.8 x 439.4 x 444.5 mm) |
| Drivers | 12” (305mm) driver |
| Enclosure | ported, bottom |
| Frequency Response | 25-250Hz |
| Measurement Source | ErinsAudioCorner |
| Output SPL at 20 Hz | 90.2 dB |
| Output SPL at 25 Hz | 89.8 dB |
| Output SPL at 31.5 Hz | 99.7 dB |
| Output SPL at 40 Hz | 105.1 dB |
| Output SPL at 50 Hz | 110.6 dB |
| Output SPL at 63 Hz | 115.7 dB |
| Output SPL at 80 Hz | 115.4 dB |
| Output SPL at 100 Hz | 114.2 dB |
| Output SPL at 125 Hz | 113.3 dB |
| Weight | 53.8 lbs (24.4 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Independently measured by ErinsAudioCorner; the published figures above come from this ASR subwoofer measurement thread.
- Head-to-Head Comparisons
Bestisan SW65D: $89.99 Amazon eBay
Pros: Compact 6.5-inch with 50W at budget $90 price. Versatile connectivity with RCA, LFE, AUX and high-level speaker inputs works with TV, soundbar, or speakers. Easy 10-minute setup for apartment/small room bass upgrade.
Full Bestisan SW65D review and specifications →
| Amplifier Power | 50W RMS |
|---|---|
| CEA-2010-A Average (40-80Hz) | 105.0 dB |
| Cabinet Color | black |
| Country | China |
| Dimensions | 12.6”H x 3”W x 12.6”D (320.0 x 76.2 x 320.0 mm) |
| Drivers | 6.5” (165mm) driver |
| Enclosure | ported, front |
| Frequency Response | 40-250Hz |
| Measurement Source | Brent Butterworth |
| Output SPL at 40 Hz | 94.3 dB |
| Output SPL at 50 Hz | 103.5 dB |
| Output SPL at 63 Hz | 110.0 dB |
| Output SPL at 80 Hz | 112.4 dB |
| Weight | 37.9 lbs (17.2 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


