Harman Kardon Onyx Studio 6 Specifications and Review

Last updated: August 17, 2026

The Harman Kardon Onyx Studio 6 ranks #11 out of 73 total Boombox Size Portable Bluetooth Speakers for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.

Brand: Harman Kardon

Prices on this page were last checked August 21, 2026 at 5:30 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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Harman Kardon Onyx Studio 6 - ranked #11 of 73 Boombox Size Portable Bluetooth Speakers · Editor's rating 4.1/5
Check price at Amazon ($130) →

#11 Harman Kardon Onyx Studio 6: $130 Amazon eBay

Pros: Warm sound with boosted bass. Oluv liked it slightly better than the newer Onyx 7.

Cons: 8 hour battery at medium volume. Not at loud as others.

Related speakers: Harman Kardon Onyx Studio 4, Harman Kardon Onyx Studio 5, Harman Kardon Onyx Studio 7, Harman Kardon Onyx Studio 8, Harman Kardon Onyx Studio 9.

How it compares: Just above it: Harman Kardon Onyx Studio 8 - $30 more. Just below it: Harman Kardon Onyx Studio 7 - $169 more.

AppNo
Aux InputYes
Bass Extension (-10dB)37Hz
Battery Life8 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Latency180ms
Bluetooth Version4.2
Built in MicrophoneYes
Digital Aux InputNo
Dimensions5" x 11.5" x 11.2" (128 x 291 x 284 mm)
Drivers2x 75mm woofers + 2x 20mm tweeters
EQNo
IP RatingIPX7
Max Volume96dB
OmnidirectionalNo
Output Power50W RMS
Party ModeYes (Wireless Dual Sound)
Power BankNo
Power InputDC Barrel Connector (19V/2A)
StereoYes
TWSYes (see https://www.reddit.com/r/Bluetooth_Speakers/comments/w339x5/how_to_harman_kardon_onyx_studio_5_6_dual_sound/)
USB PlaybackNo
Weight6.5 lbs / 2.94 kg
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