Short answer: the Rythmik F12 for better sound quality, the BIC America PL-300 for the lower price. The Rythmik F12 ranks #20 of 145 subwoofers at $1439. The BIC America PL-300 ranks #63 at $450, $989 cheaper.
What the Rythmik F12 offers: Sealed 12-inch servo with 370W RMS offers excellent value. Very musical and can disappear in small rooms. Digs to 14Hz with excellent build quality and well-braced cabinet. Watch for: No detailed measurement caveats are currently recorded.
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.
Buy the Rythmik F12 when sound quality outweighs the price for you, and the BIC America PL-300 when the price outweighs sound quality instead.
Looking for alternatives? See the complete Subwoofers rankings.
Specifications Side By Side
| Rythmik F12 | BIC America PL-300 | |
|---|---|---|
| Price | $1,120 | $450 |
| Ranked | #20 of 145 in Medium Home Subwoofers (30-75 lbs) | #63 of 145 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | sealed | ported, front |
| Output SPL at 20 Hz | 103.6 dB | 96.6 dB |
| Output SPL at 25 Hz | 106.7 dB | 102.8 dB |
| Output SPL at 31.5 Hz | 113.5 dB | 109.2 dB |
| Output SPL at 40 Hz | 118.3 dB | 114.0 dB |
| Output SPL at 50 Hz | 119.1 dB | 116.3 dB |
| Output SPL at 63 Hz | 120.4 dB | 113.5 dB |
| Output SPL at 80 Hz | 119.6 dB | 110.9 dB |
| CEA-2010-A Average (40-80Hz) | 119.3 dB | 113.7 dB |
| Dimensions | 15.7"H x 15.7"W x 17"D (400.0 x 400.0 x 431.8 mm) | 18"H x 15.2"W x 18.7"D (457.2 x 387.3 x 476.2 mm) |
| Weight | 75 lbs (34.0 kg) | 48.1 lbs (21.8 kg) |
| Warranty | 5/3 | 8/5 |
| Cabinet Color | black | black |
| Country | United States | United States |
| Measurement Source | Brent Butterworth | Audioholics |
| Amplifier Power | 370W RMS | 350W RMS |
| Frequency Response | 14Hz extension | 15-200Hz |
| Drivers | 12" (305mm) driver | 12" (305mm) driver |
| Output SPL at 16 Hz | 101.0 dB | - |
| Output SPL at 100 Hz | - | 108.8 dB |
| Output SPL at 125 Hz | - | 106.8 dB |
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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
Rythmik F12: $1,120 Rythmik Audio eBay
Pros: Sealed 12-inch servo with 370W RMS offers excellent value. Very musical and can disappear in small rooms. Digs to 14Hz with excellent build quality and well-braced cabinet.
Full Rythmik F12 review and specifications →
| Amplifier Power | 370W RMS |
|---|---|
| CEA-2010-A Average (40-80Hz) | 119.3 dB |
| Cabinet Color | black |
| Country | United States |
| Dimensions | 15.7"H x 15.7"W x 17"D (400.0 x 400.0 x 431.8 mm) |
| Drivers | 12" (305mm) driver |
| Enclosure | sealed |
| Frequency Response | 14Hz extension |
| Measurement Source | Brent Butterworth |
| Output SPL at 16 Hz | 101.0 dB |
| Output SPL at 20 Hz | 103.6 dB |
| Output SPL at 25 Hz | 106.7 dB |
| Output SPL at 31.5 Hz | 113.5 dB |
| Output SPL at 40 Hz | 118.3 dB |
| Output SPL at 50 Hz | 119.1 dB |
| Output SPL at 63 Hz | 120.4 dB |
| Output SPL at 80 Hz | 119.6 dB |
| Warranty | 5/3 |
| Weight | 75 lbs (34.0 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
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
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