Short answer: the BIC America PL-300. It ranks #63 of 145 subwoofers by sound quality at $450; the Monitor Audio RXW12 ranks #98 and costs $799, so there is little reason to consider the other one.

What the BIC America PL-300 offers: 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. Watch for: No detailed measurement caveats are currently recorded.
What the Monitor Audio RXW12 offers: 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. Watch for: No detailed measurement caveats are currently recorded.
Buy the BIC America PL-300. It ranks higher for sound quality than the Monitor Audio RXW12 and costs less, so the other one has nothing left to offer.
Still deciding? The full Subwoofers rankings cover every ranked option.
Specifications Side By Side
| BIC America PL-300 | Monitor Audio RXW12 | |
|---|---|---|
| Price | $450 | $799 |
| Ranked | #63 of 145 in Medium Home Subwoofers (30-75 lbs) | #98 of 145 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 |
Related Speaker Comparisons
More worthwhile head-to-heads for BIC America PL-300:
- MartinLogan Dynamo 1600X vs BIC America PL-300
- HSU Research ULS-15 MK2 vs BIC America PL-300
- Monoprice SW-12 vs BIC America PL-300
- Monoprice SW-15 vs BIC America PL-300
- SVS SB-3000 vs BIC America PL-300
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.
As an eBay Partner, we may be compensated if you make a purchase.
The Two Speakers In Full
BIC America PL-300: $450 eBay
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 RSL (Rogersound Labs) Speedwoofer 10S MKII
- BIC America PL-300 vs SVS PB-1000 PRO
- BIC America PL-300 vs SVS SB-2000
- BIC America PL-300 vs Rythmik F12
- BIC America PL-300 vs Klipsch SPL-120
- BIC America PL-300 vs SVS SB-3000
- BIC America PL-300 vs Monoprice SW-15
- See all 11 comparisons
Monitor Audio RXW12: $799 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.
Full Monitor Audio RXW12 review and specifications →
| 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 PB-1000 PRO
- Monitor Audio RXW12 vs SVS SB-2000
- 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

