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.
As an eBay Partner, we may be compensated if you make a purchase.
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