Altec Lansing Mix 2.0 vs Harman Kardon Onyx Studio 9

Last updated: September 19, 2026

Short answer: the Harman Kardon Onyx Studio 9. The Altec Lansing Mix 2.0 is IP67 waterproof and floats, but the notes say it doesn’t compete well with speakers of the same size class. The Onyx Studio 9 adds Auracast multi-speaker connection alongside classic stereo pairing, though it has slightly recessed mids, a boost in the upper mids, and rolled off upper treble.

Altec Lansing Mix 2.0 vs Harman Kardon Onyx Studio 9

What the Altec Lansing Mix 2.0 gets right: IP67 waterproof and floats. Set against that: Doesn’t compete well with speakers of the same size class.

On the Harman Kardon Onyx Studio 9 side: Auracast multi-speaker connection alongside classic stereo pairing. Set against that: Slight recessed mids, boost in the upper mids, rolled off upper treble.

Buy the Harman Kardon Onyx Studio 9. It is rated higher for sound quality, and the $0.99 saving on the Altec Lansing Mix 2.0 is not enough to make up the difference.

Battery life favors the Altec Lansing Mix 2.0: rated for 20 hours against 8 hours for the Harman Kardon Onyx Studio 9.

There is a real gap in water resistance: the Altec Lansing Mix 2.0 at IP67 (brief submersion) against the Harman Kardon Onyx Studio 9, which has no water resistance.

Still deciding? The full Portable Bluetooth rankings cover every ranked option.

Buy the Harman Kardon Onyx Studio 9 at Amazon ($189.99) →Buy the Altec Lansing Mix 2.0 at Amazon ($189.00) →

Specifications Side By Side

Altec Lansing Mix 2.0 Harman Kardon Onyx Studio 9
Price$189.00$189.99
Ranked#65 of 75 in Boombox Size Portable Bluetooth Speakers#14 of 75 in Boombox Size Portable Bluetooth Speakers
Aux InputNoNo
Battery Life20 hours (Manufacturer specified)8 hours (Manufacturer specified)
StereoYesYes
OmnidirectionalNoNo
Bluetooth CodecsSBCSBC
AppYesYes (Harman Kardon One app)
EQYes (App EQ)Yes (App EQ)
TWSYesYes
Party ModeYes (House Party Mode, up to 50 speakers)Yes (Auracast)
Power BankYes (USB-A)-
USB PlaybackNoNo
Built-in MicrophoneYes-
Power InputUSB-CAC Power Cable (2-Prong)
FM TunerNo-
IP RatingIP67None
Amplifier Power50W50W RMS
Dimensions11" x 9.4" x 11" (279.4 x 238.8 x 279.4 mm)11.4" x 11.3" x 5.1" (289.2 x 287.5 x 130 mm)
Drivers2x drivers120mm woofer + 3x 20mm tweeters
Weight5.1 lbs (2.3 kg)9.3 lbs (4.2 kg)
Digital Aux InputNoNo
Bass Extension (-10dB)-41Hz
Maximum SPL-101dB (measured by Alan Ross Reviews)
Bluetooth Version-5.3
Buy the Harman Kardon Onyx Studio 9 at Amazon ($189.99) →Buy the Altec Lansing Mix 2.0 at Amazon ($189.00) →

More worthwhile head-to-heads for Harman Kardon Onyx Studio 9:

Prices on this page were last checked September 23, 2026 at 11:24 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

Altec Lansing Mix 2.0: $189.00 Amazon eBay

Altec Lansing Mix 2.0 ranking card

Pros: IP67 waterproof and floats. 20 hour battery life. NFC pairing. 100-foot Bluetooth range. Strong bass. Compact and lightweight. Built-in smartphone charger.

Cons: Doesn’t compete well with speakers of the same size class. Not much deep bass, boosted upper bass. Bass has a thud. Treble rolled off, mids receded.

Full Altec Lansing Mix 2.0 review and specifications →

Amplifier Power50W
AppYes
Aux InputNo
Battery Life20 hours (Manufacturer specified)
Bluetooth CodecsSBC
Built-in MicrophoneYes
Digital Aux InputNo
Dimensions11" x 9.4" x 11" (279.4 x 238.8 x 279.4 mm)
Drivers2x drivers
EQYes (App EQ)
FM TunerNo
IP RatingIP67
OmnidirectionalNo
Party ModeYes (House Party Mode, up to 50 speakers)
Power BankYes (USB-A)
Power InputUSB-C
StereoYes
TWSYes
USB PlaybackNo
Weight5.1 lbs (2.3 kg)
Check current price at Amazon ($189.00) →Search eBay for Altec Lansing Mix 2.0 →

Harman Kardon Onyx Studio 9: $189.99 Amazon eBay

Harman Kardon Onyx Studio 9 ranking card

Pros: An elegant 4.2kg living-room portable with a measured 41Hz -10dB bass point, 101dB maximum level, three tweeters, app EQ, stereo pairing and Auracast multi-speaker linking. Reviews praise its balanced, smooth presentation and non-fatiguing treble, making it a more music-focused choice than most party speakers. Measured bass extension of 41Hz (-10dB).

Cons: It has no water resistance, aux input or USB playback, and its eight-hour claimed battery life is short for an outdoor portable. Bass is less deep than some earlier Onyx Studio models, while the slightly recessed mids and rolled-off top end mean it is not the most open or detailed option; it still charges from an AC power cable rather than USB-C.

Full Harman Kardon Onyx Studio 9 review and specifications →

Amplifier Power50W RMS
AppYes (Harman Kardon One app)
Aux InputNo
Bass Extension (-10dB)41Hz
Battery Life8 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Version5.3
Digital Aux InputNo
Dimensions11.4" x 11.3" x 5.1" (289.2 x 287.5 x 130 mm)
Drivers120mm woofer + 3x 20mm tweeters
EQYes (App EQ)
IP RatingNone
Maximum SPL101dB (measured by Alan Ross Reviews)
OmnidirectionalNo
Party ModeYes (Auracast)
Power InputAC Power Cable (2-Prong)
StereoYes
TWSYes
USB PlaybackNo
Weight9.3 lbs (4.2 kg)
Check current price at Amazon ($189.99) →Search eBay for Harman Kardon Onyx Studio 9 →