Harman Kardon Onyx Studio 6 vs LG Xboom Stage 301

Last updated: August 19, 2026

Short answer: the Harman Kardon Onyx Studio 6. It ranks #11 of 73 boombox speakers by sound quality at $130; the LG Xboom Stage 301 ranks #23 and costs $279.99, so there is not much of a tradeoff to weigh.

On the Harman Kardon Onyx Studio 6 side: Warm sound with boosted bass. Oluv liked it slightly better than the newer Onyx 7. Watch for: 8 hour battery at medium volume. Not at loud as others.

The case for the LG Xboom Stage 301: Wedge-style design works as a karaoke hub with removable/replaceable battery. The catch: overpriced for what it is. Not the greatest frequency response.

Buy the Harman Kardon Onyx Studio 6. It ranks higher for sound quality than the LG Xboom Stage 301 and costs less, so there is no real case for the other one.

If water resistance matters to you, the Harman Kardon Onyx Studio 6 at IPX7 (brief submersion) holds up far better than the LG Xboom Stage 301 at IPX4 (splashing).

Harman Kardon Onyx Studio 6 vs LG Xboom Stage 301

Specifications Side By Side

Harman Kardon Onyx Studio 6 LG Xboom Stage 301
Price$130$279.99
Ranked#11 of 73 in Boombox Size Portable Bluetooth Speakers#23 of 73 in Boombox Size Portable Bluetooth Speakers
Aux InputYes-
Bass Extension (-10dB)37Hz43Hz
Battery Life8 hours (Manufacturer specified)12 hours (Manufacturer specified)
Built in MicrophoneYesNo
IP RatingIPX7IPX4
Bluetooth Latency180ms-
Max Volume96dB-
Party ModeYes (Wireless Dual Sound)Yes (Auracast)
Power InputDC Barrel Connector (19V/2A)USB-C
StereoYesPartially (1 woofer)
OmnidirectionalNoNo
TWSYes (see https://www.reddit.com/r/Bluetooth_Speakers/comments/w339x5/how_to_harman_kardon_onyx_studio_5_6_dual_sound/)No
Weight6.5 lbs / 2.94 kg13.7 lbs / 6.2 kg
Bluetooth CodecsSBCAAC, SBC
AppNoYes (LG Xboom app)
EQNoYes (App EQ)
Power BankNoNo
USB PlaybackNoNo
Bluetooth Version4.2-
Output Power50W RMS120W
Dimensions5" x 11.5" x 11.2" (128 x 291 x 284 mm)8.7" x 3.1" x 3.5" (220 x 80 x 90 mm)
Drivers2x 75mm woofers + 2x 20mm tweeters6.5" woofer + dual 2.5" midrange drivers (Peerless)
Digital Aux InputNoNo

More useful head-to-heads from the same speaker class:

The Two Speakers In Full

Harman Kardon Onyx Studio 6: $130 Amazon

Harman Kardon Onyx Studio 6 ranking card

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.

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

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

LG Xboom Stage 301: $279.99 Amazon

LG Xboom Stage 301 ranking card

Pros: Wedge-style design works as a karaoke hub with removable/replaceable battery. Multiple standing positions. AI audio optimization via Dual-Bar lighting.

Cons: overpriced for what it is. Not the greatest frequency response.

AppYes (LG Xboom app)
Bass Extension (-10dB)43Hz
Battery Life12 hours (Manufacturer specified)
Bluetooth CodecsAAC, SBC
Built in MicrophoneNo
Digital Aux InputNo
Dimensions8.7" x 3.1" x 3.5" (220 x 80 x 90 mm)
Drivers6.5" woofer + dual 2.5" midrange drivers (Peerless)
EQYes (App EQ)
IP RatingIPX4
OmnidirectionalNo
Output Power120W
Party ModeYes (Auracast)
Power BankNo
Power InputUSB-C
StereoPartially (1 woofer)
TWSNo
USB PlaybackNo
Weight13.7 lbs / 6.2 kg

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