Short answer: the Bestisan SW65D. Both are rated 3.0/5 for sound quality (#140 and #137 of 145 subwoofers), and the Bestisan SW65D costs $89.99 against $599 for the Kali Audio WS-6.2, with sound quality a draw, the lower price decides it.
Why pick the Bestisan SW65D: Compact 6.5-inch with 50W at budget $90 price.
The case for the Kali Audio WS-6.2: Dual 6.5-inch ported drivers deliver 104.5dB CEA-2010-A average in a compact powered design.
Buy the Bestisan SW65D. Both are rated the same for sound quality, and it costs $509.01 less than the Kali Audio WS-6.2.
Looking for alternatives? See the complete Subwoofers rankings.
Specifications Side By Side
| Bestisan SW65D | Kali Audio WS-6.2 | |
|---|---|---|
| Price | $89.99 | $599.00 |
| Ranked | #140 of 145 in Medium Home Subwoofers (30-75 lbs) | #137 of 145 in Medium Home Subwoofers (30-75 lbs) |
| Enclosure | ported, front | ported, front |
| Output SPL at 40 Hz | 94.3 dB | 102.4 dB |
| Output SPL at 50 Hz | 103.5 dB | 101.8 dB |
| Output SPL at 63 Hz | 110.0 dB | 103.4 dB |
| Output SPL at 80 Hz | 112.4 dB | 110.4 dB |
| CEA-2010-A Average (40-80Hz) | 105.0 dB | 104.5 dB |
| Dimensions | 12.6”H x 3”W x 12.6”D (320.0 x 76.2 x 320.0 mm) | 14.5”H x 12.2”W x 11”D (368.3 x 309.9 x 279.4 mm) |
| Weight | 37.9 lbs (17.2 kg) | 31.1 lbs (14.1 kg) |
| Cabinet Color | black | black |
| Country | China | United States |
| Measurement Source | Brent Butterworth | ErinsAudioCorner |
| Amplifier Power | 50W RMS | 400W RMS |
| Frequency Response | 40-250Hz | 27-200Hz |
| Drivers | 6.5” (165mm) driver | 2x 6.5” (165mm) driver |
| Output SPL at 25 Hz | - | 96.6 dB |
| Output SPL at 31.5 Hz | - | 102.5 dB |
| Output SPL at 100 Hz | - | 111.6 dB |
| Inputs | - | XLR/TRS combo (2), RCA (2) |
| XLR Input | - | Yes |
| RCA Input | - | Yes |
| TRS Input | - | Yes |
| Optical Input | - | No |
| Coaxial Input | - | No |
| USB Input | - | No |
| HDMI Input | - | No |
| AES Input | - | No |
| Aux Input | - | No |
Related Speaker Comparisons
More top alternatives to Kali Audio WS-6.2:
- MartinLogan Dynamo 1600X vs Kali Audio WS-6.2
- Monoprice SW-15 vs Kali Audio WS-6.2
- SVS SB-3000 vs Kali Audio WS-6.2
- Kali Audio WS-6.2 vs JBL SUB 550P
- 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
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
Kali Audio WS-6.2: $599.00 Amazon eBay
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 →
| AES Input | No |
|---|---|
| Amplifier Power | 400W RMS |
| Aux Input | No |
| CEA-2010-A Average (40-80Hz) | 104.5 dB |
| Cabinet Color | black |
| Coaxial Input | No |
| 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 |
| HDMI Input | No |
| Inputs | XLR/TRS combo (2), RCA (2) |
| Measurement Source | ErinsAudioCorner |
| Optical Input | No |
| 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 |
| RCA Input | Yes |
| TRS Input | Yes |
| USB Input | No |
| Weight | 31.1 lbs (14.1 kg) |
| XLR Input | Yes |
- 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


