Short answer: the Kali Audio WS-6.2. It ranks #129 of 137 subwoofers by sound quality at $599; the JBL SUB 550P ranks #132 and costs $600, so there is not much of a tradeoff to weigh.
What the Kali Audio WS-6.2 offers: Dual 6.5-inch ported drivers deliver 104.5dB CEA-2010-A average in a compact powered design. Watch for: Its documented strengths make it a credible option in this class.
What the JBL SUB 550P offers: 10-inch sealed with 300W RMS delivers low distortion realistic bass compared to cheaper options. Watch for: Its documented strengths make it a credible option in this class.
Buy the Kali Audio WS-6.2. It ranks higher for sound quality than the JBL SUB 550P and costs less, so there is no real case for the other one.
If sound quality matters at all to you, skip both of these and look higher up the 137 subwoofers instead.
Specifications Side By Side
| Kali Audio WS-6.2 | JBL SUB 550P | |
|---|---|---|
| Price | $599.00 | $600 |
| Ranked | #129 of 137 in Medium Powered Home Subwoofers (30-75 lbs) | #132 of 137 in Medium Powered Home Subwoofers (30-75 lbs) |
| Enclosure | ported, front | sealed |
| Output SPL at 25 Hz | 96.6 dB | 89.8 dB |
| Output SPL at 31.5 Hz | 102.5 dB | 98.1 dB |
| Output SPL at 40 Hz | 102.4 dB | 101.5 dB |
| Output SPL at 50 Hz | 101.8 dB | 103.2 dB |
| Output SPL at 63 Hz | 103.4 dB | 103.3 dB |
| Output SPL at 80 Hz | 110.4 dB | 103.7 dB |
| Output SPL at 100 Hz | 111.6 dB | 104.2 dB |
| CEA-2010-A Average (40-80Hz) | 104.5 dB | 102.9 dB |
| Dimensions | 14.5"H x 12.2"W x 11"D (368.3 x 309.9 x 279.4 mm) | 17.5"H x 14.9"W x 15"D (444 x 379 x 380 mm) |
| Weight | 31.1 lbs / 14.1 kg | 50 lbs / 22.7 kg |
| Cabinet Color | black | black |
| Country | United States | United States |
| Measurement Source | ErinsAudioCorner | ErinsAudioCorner |
| Power Output (Watts) | 400W RMS | 300W RMS |
| Frequency Response | 27-200Hz | 27-150Hz |
| Drivers | 2x 6.5" (165mm) driver | 10" (254mm) driver |
| Output SPL at 20 Hz | - | 84.7 dB |
| Warranty | - | 1 |
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The Two Speakers In Full
Kali Audio WS-6.2: $599.00 Amazon
Pros: Dual 6.5-inch ported drivers deliver 104.5dB CEA-2010-A average in a compact powered design.
Full Kali Audio WS-6.2 review and specifications →
| CEA-2010-A Average (40-80Hz) | 104.5 dB |
|---|---|
| Cabinet Color | black |
| Country | United States |
| Dimensions | 14.5"H x 12.2"W x 11"D (368.3 x 309.9 x 279.4 mm) |
| Drivers | 2x 6.5" (165mm) driver |
| Enclosure | ported, front |
| Frequency Response | 27-200Hz |
| Measurement Source | ErinsAudioCorner |
| Output SPL at 25 Hz | 96.6 dB |
| Output SPL at 31.5 Hz | 102.5 dB |
| Output SPL at 40 Hz | 102.4 dB |
| Output SPL at 50 Hz | 101.8 dB |
| Output SPL at 63 Hz | 103.4 dB |
| Output SPL at 80 Hz | 110.4 dB |
| Output SPL at 100 Hz | 111.6 dB |
| Power Output (Watts) | 400W RMS |
| Weight | 31.1 lbs / 14.1 kg |
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JBL SUB 550P: $600
Pros: 10-inch sealed with 300W RMS delivers low distortion realistic bass compared to cheaper options. Deep bass response similar to larger 12” models. Multiple line-level inputs and adjustable crossover control.
Full JBL SUB 550P review and specifications →
| CEA-2010-A Average (40-80Hz) | 102.9 dB |
|---|---|
| Cabinet Color | black |
| Country | United States |
| Dimensions | 17.5"H x 14.9"W x 15"D (444 x 379 x 380 mm) |
| Drivers | 10" (254mm) driver |
| Enclosure | sealed |
| Frequency Response | 27-150Hz |
| Measurement Source | ErinsAudioCorner |
| Output SPL at 20 Hz | 84.7 dB |
| Output SPL at 25 Hz | 89.8 dB |
| Output SPL at 31.5 Hz | 98.1 dB |
| Output SPL at 40 Hz | 101.5 dB |
| Output SPL at 50 Hz | 103.2 dB |
| Output SPL at 63 Hz | 103.3 dB |
| Output SPL at 80 Hz | 103.7 dB |
| Output SPL at 100 Hz | 104.2 dB |
| Power Output (Watts) | 300W RMS |
| Warranty | 1 |
| Weight | 50 lbs / 22.7 kg |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples


