Short answer: the BIC America PL-300. It ranks #89 of 212 subwoofers by sound quality (rated 3.7/5) at $449 and is still sold new; the Monitor Audio RXW12 ranks #135 (rated 3.6/5) and is discontinued, so it is only an option used.
What the BIC America PL-300 does well: 12-inch triple-ported variable tuning with 350W RMS offers unusually low 20Hz extension under $500.
The case for the Monitor Audio RXW12: Sealed 12-inch with 500W RMS delivers terrific output peaking at 122dB at 63Hz.
Buy the BIC America PL-300. It is rated higher for sound quality, and the Monitor Audio RXW12 is discontinued, so it is only available used.
Still deciding? The full Subwoofers rankings cover every ranked option.
Specifications Side By Side
| BIC America PL-300 | Monitor Audio RXW12 | |
|---|---|---|
| Price | $449.00 | $799 Discontinued |
| Ranked | #89 of 212 in Medium Home Subwoofers (30-75 lbs) | #135 of 212 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | ported, front | sealed |
| Output SPL at 20 Hz | 96.6 dB | 88.9 dB |
| Output SPL at 25 Hz | 102.8 dB | 92.0 dB |
| Output SPL at 31.5 Hz | 109.2 dB | 97.9 dB |
| Output SPL at 40 Hz | 114.0 dB | 111.5 dB |
| Output SPL at 50 Hz | 116.3 dB | 114.9 dB |
| Output SPL at 63 Hz | 113.5 dB | 106.3 dB |
| Output SPL at 80 Hz | 110.9 dB | - |
| Output SPL at 100 Hz | 108.8 dB | - |
| Output SPL at 125 Hz | 106.8 dB | - |
| CEA-2010-A Average (40-80Hz) | 113.7 dB | 110.9 dB (avg of 3/4 bands) |
| Dimensions | 18”H x 15.2”W x 18.7”D (457.2 x 387.3 x 476.2 mm) | 15”H x 16.9”W x 16.9”D (381.0 x 430.0 x 430.0 mm) |
| Weight | 48.1 lbs (21.8 kg) | 49.8 lbs (22.6 kg) |
| Warranty | 8/5 | 5 |
| Cabinet Color | black | - |
| Country | United States | United Kingdom |
| Measurement Source | Audioholics | Brent Butterworth |
| Amplifier Power | 350W RMS | 500W RMS |
| Frequency Response | 15-200Hz | 21-40Hz |
| Drivers | 12” (305mm) driver | 12” (305mm) driver |
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- SVS SB-3000 vs BIC America PL-300
Prices on this page were last checked October 14, 2026 at 2:38 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
BIC America PL-300: $449.00 Amazon $449.00 eBay
Same family: the BIC America PL-200II (smaller subwoofer, ranked lower, rated 3.6/5).
Pros: 12-inch triple-ported variable tuning with 350W RMS offers unusually low 20Hz extension under $500. Three-port design delivers more output than single-port competitors. Beefy amp ensures distortion-free sound.
Full BIC America PL-300 review and specifications →
| Amplifier Power | 350W RMS |
|---|---|
| CEA-2010-A Average (40-80Hz) | 113.7 dB |
| Cabinet Color | black |
| Country | United States |
| Dimensions | 18”H x 15.2”W x 18.7”D (457.2 x 387.3 x 476.2 mm) |
| Drivers | 12” (305mm) driver |
| Enclosure | ported, front |
| Frequency Response | 15-200Hz |
| Measurement Source | Audioholics |
| Output SPL at 20 Hz | 96.6 dB |
| Output SPL at 25 Hz | 102.8 dB |
| Output SPL at 31.5 Hz | 109.2 dB |
| Output SPL at 40 Hz | 114.0 dB |
| Output SPL at 50 Hz | 116.3 dB |
| Output SPL at 63 Hz | 113.5 dB |
| Output SPL at 80 Hz | 110.9 dB |
| Output SPL at 100 Hz | 108.8 dB |
| Output SPL at 125 Hz | 106.8 dB |
| Warranty | 8/5 |
| Weight | 48.1 lbs (21.8 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Independently measured by Audioholics; the published figures above come from this ASR subwoofer measurement thread.
- Head-to-Head Comparisons
- BIC America PL-300 vs Monoprice SSW-10
- BIC America PL-300 vs Klipsch SPL-100
- BIC America PL-300 vs SVS SB-2000 Pro
- BIC America PL-300 vs RSL (Rogersound Labs) Speedwoofer 10S MKII
- BIC America PL-300 vs SVS PB-1000 PRO
- BIC America PL-300 vs Rythmik F12
- BIC America PL-300 vs Klipsch SPL-120
- BIC America PL-300 vs SVS SB-3000
- See all 12 comparisons
Monitor Audio RXW12: $799 Discontinued eBay
Pros: Sealed 12-inch with 500W RMS delivers terrific output peaking at 122dB at 63Hz. Powerful punchy bass with excellent pitch definition. Well-suited for small to medium rooms.
Cons: Discontinued.
Full Monitor Audio RXW12 review and specifications →
| Released | Sep 2009 (17 years ago) |
|---|---|
| Amplifier Power | 500W RMS |
| CEA-2010-A Average (40-80Hz) | 110.9 dB (avg of 3/4 bands) |
| Country | United Kingdom |
| Dimensions | 15”H x 16.9”W x 16.9”D (381.0 x 430.0 x 430.0 mm) |
| Drivers | 12” (305mm) driver |
| Enclosure | sealed |
| Frequency Response | 21-40Hz |
| Measurement Source | Brent Butterworth |
| Output SPL at 20 Hz | 88.9 dB |
| Output SPL at 25 Hz | 92.0 dB |
| Output SPL at 31.5 Hz | 97.9 dB |
| Output SPL at 40 Hz | 111.5 dB |
| Output SPL at 50 Hz | 114.9 dB |
| Output SPL at 63 Hz | 106.3 dB |
| Warranty | 5 |
| Weight | 49.8 lbs (22.6 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
- Monitor Audio RXW12 vs RSL (Rogersound Labs) Speedwoofer 10S MKII
- Monitor Audio RXW12 vs Monoprice SSW-10
- Monitor Audio RXW12 vs SVS SB-2000 Pro
- Monitor Audio RXW12 vs SVS PB-1000 PRO
- Monitor Audio RXW12 vs Rythmik F12
- Monitor Audio RXW12 vs Klipsch SPL-120
- Monitor Audio RXW12 vs SVS SB-3000
- Monitor Audio RXW12 vs Monoprice SW-15
- See all 10 comparisons