Kali Audio WS-6.2 vs JBL SUB 550P

Short answer: the Kali Audio WS-6.2. It ranks #137 of 145 subwoofers by sound quality, rated 3.0/5, at $599; the JBL SUB 550P ranks #141, rated 2.9/5, and costs $600, which makes this an easy call rather than a real tradeoff.

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.

What the JBL SUB 550P does well: 10-inch sealed with 300W RMS delivers low distortion realistic bass compared to cheaper options.

One note: the JBL SUB 550P is no longer in production and isn’t widely stocked new anymore.

Buy the Kali Audio WS-6.2. It is rated higher for sound quality than the JBL SUB 550P and costs less, so it is the default pick unless a specific strength of the other one matters more to you.

Looking for alternatives? See the complete Subwoofers rankings.

Specifications Side By Side

Related Speaker Comparisons

More worthwhile head-to-heads for 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
• Bestisan SW65D vs Kali Audio WS-6.2
• Monoprice SW-15 vs JBL SUB 550P

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

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
  • Kali Audio WS-6.2 Website
• Reviews, Comparisons and Sound Samples
  • Independently measured by ErinsAudioCorner; the published figures above come from this ASR subwoofer measurement thread.
• Head-to-Head Comparisons
  • Kali Audio WS-6.2 vs Bestisan SW65D
  • Kali Audio WS-6.2 vs SVS SB-3000
  • Kali Audio WS-6.2 vs Monoprice SW-15
  • Kali Audio WS-6.2 vs MartinLogan Dynamo 1600X

JBL SUB 550P: $600 Discontinued eBay

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.

Cons: Discontinued.

Full JBL SUB 550P review and specifications →

Amplifier Power	300W RMS
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
Warranty	1
Weight	50 lbs (22.7 kg)

• Links
  • JBL SUB 550P Website
• Reviews, Comparisons and Sound Samples
  • Independently measured by ErinsAudioCorner; the published figures above come from this ASR subwoofer measurement thread.
• Head-to-Head Comparisons
  • JBL SUB 550P vs SVS SB-3000
  • JBL SUB 550P vs Monoprice SW-15
  • JBL SUB 550P vs MartinLogan Dynamo 1600X