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Harman Kardon Omni 20 Review | 130 Data compared

Avg. price in UK: ~£260
Avg. price in US: ~$300
Audio output power: 60.00 W
Battery life: ?
IP rating: ?
Bluetooth version: 3.0
Weight: 2130 g

Harman Kardon Omni 20 review. Compare 130 technical specifications and user reviews to see how this product ranks in the Portable Speakers category and whether it is worth buying.

7.5

Very good

7.4

Very good

7.9

Very good

6.4
Outdoor durability
Score components:
40.0%
4.0
Water resistance
25.0%
?
IP rating
20.0%
7.9
Weight
15.0%
?
Battery life
8.3
Powerful sound
Score components:
45.0%
8.1
Audio output power
25.0%
?
Battery life
15.0%
7.9
Weight
15.0%
10
Party mode
9.3
Home listening
Score components:
35.0%
10
Multi-room support
30.0%
10
Wi-Fi connectivity
20.0%
8.1
Audio output power
15.0%
7.9
Weight

Best prices in UK

Best rankings

#5 in Best Harman Kardon portable speakers
#27 in Best portable speakers for home
#89 in Best big portable speakers
#218 in Best portable speakers

Verdict

The Harman Kardon Omni 20 is an indoor multi-room wireless speaker equipped with a 60W RMS four-channel amplifier (4 x 15W) driving two 75mm woofers and two 19mm tweeters. It features a frequency response of 53Hz to 20kHz, a signal-to-noise ratio over 80dB, and supports studio-quality 24-bit/96kHz high-definition audio streaming via dual-band Wi-Fi and Bluetooth, alongside a 3.5mm auxiliary input. Main advantages include its powerful room-filling sound, punchy bass, modern aesthetic, and convenient 'One-Touch Link' party mode for seamless home audio linking. However, despite being marketed with portable styling, it requires an AC power outlet as it lacks a built-in battery, lacks a carrying handle, and users frequently report that the dedicated controller mobile app delivers a subpar, clunky user experience.

Technical Specifications of portable speaker Harman Kardon Omni 20

Overall score

7.5

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Popularity

What it is: An indicator based on the number of reviews received by products in the Portable Speakers category.

When it matters: When you prefer products in the Portable Speakers category that have been chosen and reviewed by many other buyers.

Audio

7.8

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Audio output power

What it is: The maximum continuous power the speaker system can deliver.

When it matters: When you need enough output to fill a larger or noisier space.

Importance: HIGH

Good value: >= 20 W

Driver unit size

What it is: The diameter of each main speaker driver.

When it matters: When the size of the main driver influences bass reach and output capability.

Importance: HIGH

Good value: >= 50 mm

?

Number of drivers

What it is: The total number of speaker drivers built into the unit.

When it matters: When fuller driver arrays and broader sound coverage matter.

Importance: MEDIUM

Good value: >= 2

Frequency response tolerance

What it is: The allowed deviation around the stated frequency response curve.

When it matters: When a flatter and more accurate frequency response matters.

Importance: MEDIUM

Good value: <= 3 dB

?

Lowest frequency

What it is: The lowest audible frequency the speaker can reproduce.

When it matters: When deeper bass extension matters.

Importance: HIGH

Good value: <= 60 Hz

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Connectivity

6.5

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Bluetooth connectivity

What it is: Indicates whether the speaker can receive audio over Bluetooth.

When it matters: When wireless playback from phones, tablets, or computers matters.

Importance: MEDIUM

Good value: yes

Bluetooth version

What it is: The generation of Bluetooth supported by the speaker hardware.

When it matters: When compatibility and efficiency with newer Bluetooth devices matter.

Importance: LOW

Good value: >= 5.0

Maximum Bluetooth range

What it is: The farthest distance at which the Bluetooth link can remain usable.

When it matters: When the source device may be far from the speaker.

Importance: MEDIUM

Good value: >= 10 m

Bluetooth profiles supported

What it is: The Bluetooth operating profiles available for playback, control, or calls.

When it matters: When Bluetooth playback, control, and call compatibility depend on specific profiles.

Importance: LOW

A2DP

Bluetooth LE Audio

What it is: Shows whether the speaker supports the low-energy Bluetooth audio standard.

When it matters: When newer low-power Bluetooth audio features matter.

Importance: LOW

Good value: yes

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Battery

7.7

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Battery life

What it is: The playback time available from one full battery charge.

When it matters: When you need longer playback between charges.

Importance: HIGH

Good value: >= 20 h

?

Battery capacity

What it is: The amount of electrical charge the internal battery can store.

When it matters: When longer untethered playback or power-bank use needs more stored charge.

Importance: HIGH

Good value: >= 5000 mAh

?

Charging time

What it is: The time needed to recharge the battery fully.

When it matters: When the speaker needs to be ready again quickly.

Importance: MEDIUM

Good value: <= 4 h

?

Maximum charging input power

What it is: The maximum charging power the speaker can accept from a compatible power source.

When it matters: When faster charging requires the speaker to accept more input power.

Importance: LOW

Good value: >= 20 W

?

Built-in rechargeable battery

What it is: Indicates whether the speaker uses a battery that can be recharged.

When it matters: When portable use without disposable batteries or continuous mains power matters.

Importance: LOW

Good value: yes

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Durability

7.0

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IP rating

What it is: The ingress protection code for dust and water resistance.

When it matters: When dust and water protection need to match the intended environment.

Importance: HIGH

Good value: IP67+

?

Water resistance

What it is: Indicates whether the enclosure can resist water exposure.

When it matters: When the speaker may be used near pools, rain, or splashes.

Importance: MEDIUM

Good value: yes

Dust resistance

What it is: Shows whether the enclosure is protected against dust ingress.

When it matters: When the speaker may be exposed to sand, soil, or dusty environments.

Importance: MEDIUM

Good value: yes

?

Waterproof depth rating

What it is: The maximum water depth the speaker is rated to withstand.

When it matters: When the speaker may be submerged or used very close to water.

Importance: MEDIUM

Good value: >= 1 m

?

Drop resistance

What it is: Indicates whether the housing is designed to survive accidental drops.

When it matters: When the speaker may be bumped or suffer an accidental fall during outdoor or travel use.

Importance: LOW

Good value: yes

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Controls

7.3

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On-device controls placement

What it is: The physical area of the speaker where its controls are located.

When it matters: When you want controls that are easy to reach in the speaker intended placement.

Importance: LOW

top; bottom

Touchscreen

What it is: Indicates whether a touch-sensitive screen is integrated.

When it matters: When direct visual control is more convenient than buttons or an app.

Importance: LOW

Good value: yes

Smartphone app control

What it is: Shows whether the speaker can be controlled from a phone app.

When it matters: When remote settings, updates, or sound adjustment from a phone matter.

Importance: LOW

Good value: yes

Remote control

What it is: Indicates whether a dedicated remote control is supplied or supported.

When it matters: When you want to control playback from across the room.

Importance: LOW

Good value: yes

Fast pairing

What it is: Shows whether setup with compatible devices can be completed more quickly.

When it matters: When quick setup with compatible devices matters.

Importance: LOW

Good value: yes

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Design

6.9

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Weight

What it is: The total mass of the portable speaker.

When it matters: When carrying the speaker frequently or packing light matters.

Importance: LOW

Good value: <= 1000 g

Height

What it is: The vertical external dimension of the speaker body.

When it matters: When the speaker must fit beneath shelves or in a compact bag.

Importance: LOW

Good value: <= 20 cm

Width

What it is: The side-to-side external dimension of the speaker body.

When it matters: When the speaker must fit a narrow shelf, bag, or tabletop.

Importance: LOW

Good value: <= 25 cm

Depth

What it is: The front-to-back depth of the speaker housing.

When it matters: When the speaker should take up less front-to-back space.

Importance: LOW

Good value: <= 10 cm

Carry options

What it is: The available ways to carry, hang, or attach the speaker.

When it matters: When a handle, strap, or attachment point changes how you carry the speaker.

Importance: LOW

none

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Smart features

7.4

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Companion app name

What it is: The official app used to control settings and functions of the speaker.

When it matters: When app compatibility and the available control features depend on the official app.

Importance: LOW

Harman Kardon Controller

Firmware updates

What it is: Indicates whether the speaker can receive firmware revisions after purchase.

When it matters: When post-purchase fixes and feature improvements matter.

Importance: LOW

Good value: yes

Firmware update method

What it is: The path used to install firmware updates on the speaker.

When it matters: When the convenience and reliability of installing updates matters.

Importance: LOW

OTA; App

Voice assistant support

What it is: Indicates whether the speaker can work with supported voice assistants.

When it matters: When hands-free control through a compatible assistant matters.

Importance: LOW

Good value: yes

Spotify Connect

What it is: Shows whether Spotify can stream directly to the speaker over the network.

When it matters: When Spotify should stream directly without keeping phone audio active.

Importance: LOW

Good value: yes

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Harman Kardon Omni 20 vs the average portable speaker

Why is Harman Kardon Omni 20 better than the average portable speaker?

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40 W more audio output power
Harman Kardon Omni 20 has more audio output power than the average portable speaker (60 W vs 20.00 W).
Total RMS output: 60.00 W.
What it is: The maximum continuous power the speaker system can deliver.
When it matters: When you need enough output to fill a larger or noisier space.
Importance: HIGH
Good value: >= 20 W
Harman Kardon Omni 20 has more audio output power than the average portable speaker (60 W vs 20.00 W).60.00 W vs 20.00 W
Supports Wi-Fi connectivity
Harman Kardon Omni 20 supports Wi-Fi connectivity, while the average portable speaker does not support Wi-Fi connectivity.
What it is: Indicates whether the speaker can connect to wireless local networks.
When it matters: When direct network streaming or smart multi-room features matter.
Importance: MEDIUM
Good value: yes
Harman Kardon Omni 20 supports Wi-Fi connectivity, while the average portable speaker does not support Wi-Fi connectivity.
2 more speaker drivers
Harman Kardon Omni 20 has more speaker drivers than the average portable speaker (4 vs 2).
Acoustic drivers: 4.
What it is: The total number of speaker drivers built into the unit.
When it matters: When fuller driver arrays and broader sound coverage matter.
Importance: MEDIUM
Good value: >= 2
Harman Kardon Omni 20 has more speaker drivers than the average portable speaker (4 vs 2).4 vs 2
Provides 360-degree sound
Harman Kardon Omni 20 provides 360-degree sound, while the average portable speaker does not provide 360-degree sound.
Provides omnidirectional 360° sound radiation.
What it is: Indicates whether sound is spread evenly in all directions.
When it matters: When even sound coverage around the speaker matters.
Importance: MEDIUM
Good value: yes
Harman Kardon Omni 20 provides 360-degree sound, while the average portable speaker does not provide 360-degree sound.
Has Chromecast built-in
Harman Kardon Omni 20 has Chromecast built-in, while the average portable speaker does not have Chromecast built-in.
Supports Chromecast built-in.
What it is: Shows whether Chromecast is integrated for direct casting.
When it matters: When direct casting from compatible apps matters.
Importance: LOW
Good value: yes
Harman Kardon Omni 20 has Chromecast built-in, while the average portable speaker does not have Chromecast built-in.
Has built-in stereo speakers
Harman Kardon Omni 20 has built-in stereo speakers, while the average portable speaker does not have built-in stereo speakers.
Provides true stereo output within the unit.
What it is: Shows whether the device uses separate left and right audio channels.
When it matters: When true left-and-right channel playback matters without pairing a second speaker.
Importance: LOW
Good value: yes
Harman Kardon Omni 20 has built-in stereo speakers, while the average portable speaker does not have built-in stereo speakers.
Has an equalizer
Harman Kardon Omni 20 has an equalizer, while the average portable speaker does not have an equalizer.
Offers user-selectable EQ, tone adjustment, or sound presets.
What it is: Shows whether the sound balance can be adjusted across frequency ranges.
When it matters: When you want to adjust bass, midrange, or treble balance.
Importance: LOW
Good value: yes
Harman Kardon Omni 20 has an equalizer, while the average portable speaker does not have an equalizer.
Supports party mode
Harman Kardon Omni 20 supports party mode, while the average portable speaker does not support party mode.
Supports synchronized multi-speaker party/group playback.
What it is: Indicates whether multiple speakers can play the same audio together.
When it matters: When several compatible speakers should play together.
Importance: LOW
Good value: yes
Harman Kardon Omni 20 supports party mode, while the average portable speaker does not support party mode.
40 W more audio output power
Harman Kardon Omni 20 has more audio output power than the average portable speaker (60 W vs 20.00 W).
2 more speaker drivers
Harman Kardon Omni 20 has more speaker drivers than the average portable speaker (4 vs 2).
Provides 360-degree sound
Harman Kardon Omni 20 provides 360-degree sound, while the average portable speaker does not provide 360-degree sound.
Has built-in stereo speakers
Harman Kardon Omni 20 has built-in stereo speakers, while the average portable speaker does not have built-in stereo speakers.
0.5 % lower total harmonic distortion
Harman Kardon Omni 20 has lower total harmonic distortion than the average portable speaker (0.5% vs 1%).
7 Hz deeper bass extension
Harman Kardon Omni 20 has deeper bass extension than the average portable speaker (53 Hz vs 60.00 Hz).
Supports Wi-Fi connectivity
Harman Kardon Omni 20 supports Wi-Fi connectivity, while the average portable speaker does not support Wi-Fi connectivity.
Has Chromecast built-in
Harman Kardon Omni 20 has Chromecast built-in, while the average portable speaker does not have Chromecast built-in.
Has a USB Type-C port
Harman Kardon Omni 20 has a USB Type-C port, while the average portable speaker does not have a USB Type-C port.
Has Ethernet support
Harman Kardon Omni 20 has Ethernet support, while the average portable speaker does not have Ethernet support.
Includes a power adapter
Harman Kardon Omni 20 includes a power adapter, while the average portable speaker does not include a power adapter.
5 °C higher maximum operating temperature
Harman Kardon Omni 20 has a higher maximum operating temperature than the average portable speaker (45 °C vs 40 °C).
Has an equalizer
Harman Kardon Omni 20 has an equalizer, while the average portable speaker does not have an equalizer.
Supports party mode
Harman Kardon Omni 20 supports party mode, while the average portable speaker does not support party mode.
Supports playback mute
Harman Kardon Omni 20 supports playback mute, while the average portable speaker does not support playback mute.
Has a programmable button
Harman Kardon Omni 20 has a programmable button, while the average portable speaker does not have a programmable button.
Supports multi-room audio
Harman Kardon Omni 20 supports multi-room audio, while the average portable speaker does not support multi-room audio.
Supports automatic room calibration
Harman Kardon Omni 20 supports automatic room calibration, while the average portable speaker does not support automatic room calibration.
Supports firmware updates
Harman Kardon Omni 20 supports firmware updates, while the average portable speaker does not support firmware updates.

Why is Harman Kardon Omni 20 worse than the average portable speaker?

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1 fewer microphones
Harman Kardon Omni 20 has fewer microphones than the average portable speaker (0 vs 1).
Built-in microphones: 0.
4 dB SPL lower maximum sound pressure
Harman Kardon Omni 20 has a lower maximum sound pressure level than the average portable speaker (88 dB SPL vs 92.00 dB SPL).
Sound pressure level: 88.00 dB.
2 Bluetooth levels older
Harman Kardon Omni 20 has an older Bluetooth version than the average portable speaker (3 vs 5.0).
Bluetooth version: 3.0.
Does not have a built-in rechargeable battery
Harman Kardon Omni 20 does not have a built-in rechargeable battery, while the average portable speaker has a built-in rechargeable battery.
Requires wired mains power and has no built-in rechargeable operating battery.
Does not have a battery level indicator
Harman Kardon Omni 20 does not have a battery level indicator, while the average portable speaker has a battery level indicator.
Is not water resistant
Harman Kardon Omni 20 is not water resistant, while the average portable speaker is water resistant.
Does not provide voice prompts
Harman Kardon Omni 20 does not provide voice prompts, while the average portable speaker provides voice prompts.
No spoken status prompts; feedback is absent, visual, or tone-based.
1,330 g heavier
Harman Kardon Omni 20 is heavier than the average portable speaker (2,130 g vs 800 g).
8.1 cm deeper
Harman Kardon Omni 20 is deeper than the average portable speaker (16.4 cm vs 8.3 cm).
7.9 cm wider
Harman Kardon Omni 20 is wider than the average portable speaker (26 cm vs 18.1 cm).
4.2 cm taller
Harman Kardon Omni 20 is taller than the average portable speaker (16.6 cm vs 12.4 cm).
5 older
Harman Kardon Omni 20 was released earlier than the average portable speaker (2014 vs 2019).
Release year: 2014.
Is not water resistant
Harman Kardon Omni 20 is not water resistant, while the average portable speaker is water resistant.
What it is: Indicates whether the enclosure can resist water exposure.
When it matters: When the speaker may be used near pools, rain, or splashes.
Importance: MEDIUM
Good value: yes
Harman Kardon Omni 20 is not water resistant, while the average portable speaker is water resistant.
1 fewer microphones
Harman Kardon Omni 20 has fewer microphones than the average portable speaker (0 vs 1).
Built-in microphones: 0.
What it is: The number of microphones built into the speaker.
When it matters: When voice pickup, calls, or beamforming performance matter.
Importance: LOW
Good value: >= 1
Harman Kardon Omni 20 has fewer microphones than the average portable speaker (0 vs 1).0 vs 1
Does not have a built-in rechargeable battery
Harman Kardon Omni 20 does not have a built-in rechargeable battery, while the average portable speaker has a built-in rechargeable battery.
Requires wired mains power and has no built-in rechargeable operating battery.
What it is: Indicates whether the speaker uses a battery that can be recharged.
When it matters: When portable use without disposable batteries or continuous mains power matters.
Importance: LOW
Good value: yes
Harman Kardon Omni 20 does not have a built-in rechargeable battery, while the average portable speaker has a built-in rechargeable battery.
2 Bluetooth levels older
Harman Kardon Omni 20 has an older Bluetooth version than the average portable speaker (3 vs 5.0).
Bluetooth version: 3.0.
What it is: The generation of Bluetooth supported by the speaker hardware.
When it matters: When compatibility and efficiency with newer Bluetooth devices matter.
Importance: LOW
Good value: >= 5.0
Harman Kardon Omni 20 has an older Bluetooth version than the average portable speaker (3 vs 5.0).3.0 vs 5.0
4 dB SPL lower maximum sound pressure
Harman Kardon Omni 20 has a lower maximum sound pressure level than the average portable speaker (88 dB SPL vs 92.00 dB SPL).
Sound pressure level: 88.00 dB.
What it is: The maximum acoustic loudness the speaker can produce.
When it matters: When the speaker must play loudly in a large or outdoor space.
Importance: HIGH
Good value: >= 90 dB SPL
Harman Kardon Omni 20 has a lower maximum sound pressure level than the average portable speaker (88 dB SPL vs 92.00 dB SPL).88.00 dB SPL vs 92.00 dB SPL
Does not have a battery level indicator
Harman Kardon Omni 20 does not have a battery level indicator, while the average portable speaker has a battery level indicator.
What it is: Shows whether the remaining battery level can be displayed clearly.
When it matters: When you want to know the remaining charge before or during use.
Importance: LOW
Good value: yes
Harman Kardon Omni 20 does not have a battery level indicator, while the average portable speaker has a battery level indicator.
1,330 g heavier
Harman Kardon Omni 20 is heavier than the average portable speaker (2,130 g vs 800 g).
What it is: The total mass of the portable speaker.
When it matters: When carrying the speaker frequently or packing light matters.
Importance: LOW
Good value: <= 1000 g
Harman Kardon Omni 20 is heavier than the average portable speaker (2,130 g vs 800 g).2130 g vs 800 g
Does not provide voice prompts
Harman Kardon Omni 20 does not provide voice prompts, while the average portable speaker provides voice prompts.
No spoken status prompts; feedback is absent, visual, or tone-based.
What it is: Indicates whether spoken status messages are used for user feedback.
When it matters: When spoken feedback for pairing, battery, or operating status is useful.
Importance: LOW
Good value: yes
Harman Kardon Omni 20 does not provide voice prompts, while the average portable speaker provides voice prompts.

Graphic comparison of Harman Kardon Omni 20 and other products in the Portable Speakers category

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Third-party reviews

United Kingdom

(Reviews last updated: August 2026)

What customers like about Harman Kardon Omni 20?

Excellent, well-balanced sound quality with clear treble
Powerful bass response and deep punch from the passive radiator
Versatile connectivity options including Bluetooth, Wi-Fi, and Aux-in
Convenient multi-room capabilities and easy speaker pairing via the Link button
Premium, sleek, and modern aesthetic design
Capable of reaching loud volume levels without noticeable distortion

What customers dislike about Harman Kardon Omni 20?

Lacks internal battery power and must remain plugged into a wall outlet
Unintuitive, clunky, and poorly designed companion mobile application
Frequent audio drops, sync issues, and unstable wireless connectivity over Wi-Fi
Awkward placement of cables and the Aux port underneath the device
Noticeable audio delay or lag during video playback
Relatively high price tag compared to comparable options

Expert reviews

letemsvetemapplem.eu

03/02/2015

Summary of the review

Omni 10 and Omni 20 review: theoneYou will seriously wonder why you didn't throw out your home theater a long time ago

The Harman Kardon Omni 10 and 20 review highlights these wireless speakers for their excellent high-fidelity, multi-room audio, and versatile connection options including Bluetooth, Wi-Fi, and 3.5mm jack. While offering superior HD sound quality suitable for different room sizes, the review notes a constraint where wireless, high-resolution FLAC streaming is not seamless from iOS devices, acting as a potential con.

consumerreports.org

N/A

Summary of the review

Harman Kardon Omni 20 Wireless & Bluetooth Speaker Review If you need any information regarding sound tests, specific technical configurations, or mul...

According to Consumer Reports, the Harman Kardon Omni 20 provides very good sound quality with decent volume, deep, high-impact bass, and consistent performance across Wi-Fi and Bluetooth connections. However, the speaker is rated poorly for ease of use, with acoustic testing revealing a boomy, overly prominent bass and a congested sound signature.

lowbeats.de

19/07/2015

Summary of the review

Harman/Kardon Omni 20 – the overachiever among Wi-Fi speakers

LowBeats rates the Harman/Kardon Omni 20 as a top-tier Wi-Fi and Bluetooth speaker, highlighting its balanced, high-resolution 24-bit/96kHz audio and versatile connectivity via Wi-Fi, Bluetooth, and 3.5mm AUX. The speaker is praised for its ability to fill medium-sized rooms with rich sound, though the review notes that clunky control software and an unintuitive app detract from the overall experience.

areadvd.de

18/12/2014

Summary of the review

Harman/Kardon Omni Multiroom System – Elegant Design and High Audio Performance

According to AREA DVD, the Harman Kardon Omni multiroom system (Omni 10, 20, and Adapt) offers elegant, high-performance audio with high-resolution 24-bit/96kHz support, delivering a wide soundstage with excellent detail and powerful bass. The system is praised for its attractive, compact design and the functional "Link" button that enables seamless "Follow Me Audio" across rooms. However, the review highlights significant drawbacks regarding a slow, complex configuration process and a sluggish app interface, along with a lack of native support for popular streaming services at the time of testing.

lite-magazin.de

12/12/2014

Summary of the review

Harman/Kardon Omni – Ultra-compact Multiroom with Mega-Power

The Lite-Magazin review highlights that the Harman Kardon Omni 10 and 20 wireless multiroom system delivers powerful, room-filling sound in a compact design, supporting high-resolution audio and featuring an intuitive "Link" button for instant room-to-room audio transfer. While the system excels in sound quality and aesthetics, notable limitations include a less seamless experience when streaming local media from NAS/PCs and the necessity of using separate third-party apps for some services.

hifitest.de

16/02/2015

Summary of the review

Harman Kardon Omni HD Multi-Room

The HiFiTest review awards the Harman Kardon Omni HD-Multiroom system 4.5 out of 5 stars, highlighting its sophisticated engineering, lossless 24-bit/96 kHz audio streaming, and versatile, software-driven, multi-room, or stereo capabilities. While praised for features like "Follow Me Audio" and easy analog integration via the Omni Adapt, the system requires a highly stable Wi-Fi network to avoid sync issues, and the compact speaker design can create tight, restrictive physical connections.

connect.de

07/04/2015

Summary of the review

Harman/Kardon Omni 10 and 20 review

The Connect.de review highlights the Harman Kardon Omni 10 and 20 as wireless multiroom speakers offering impressive, room-filling sound quality, high-resolution audio support, and a premium design. While the speakers deliver strong bass and robust performance, the review notes significant limitations regarding a restrictive and buggy controller app, which restricts native streaming options and relies heavily on Bluetooth for third-party services.

lesnumeriques.com

09/12/2014

Summary of the review

Harman/Kardon Omni 20 Review: The Eldest Member of the Multiroom Family

Les Numériques rates the Harman Kardon Omni 20 four stars, praising its impeccable build quality, straightforward setup, user-friendly app, and fluid multiroom "Link" feature. While the audio profile is pleasing with crisp highs and deep bass, the review notes a heavily colored sound signature, occasional app bugs, lack of physical track controls, and the inability to stream network podcasts.

on-mag.fr

27/07/2015

Summary of the review

Harman/Kardon Omni 20 Review: A Powerhouse in a Multiroom Wi-Fi Speaker

The ON-mag.fr review identifies the Harman Kardon Omni 20 as a compact, powerful multiroom Wi-Fi speaker that offers impressive, room-filling sound, flexible connectivity (Wi-Fi, Bluetooth, 3.5mm), and a convenient "Link" button for instant music transfer. While praised for performance, the speaker faces criticism for its unpolished control app, unintuitive Wi-Fi setup, and lack of an internal battery.

leclaireur.fnac.com

16/11/2016

Summary of the review

Harman-Kardon OMNI 20 Lab Review - Fnac L'Eclaireur

The Labo Fnac review of the Harman Kardon Omni 20 highlights a multiroom wireless speaker featuring exceptional 24-bit/96kHz audio quality and a premium design, capable of filling a 30-square-meter room. While praised for its sound performance and physical "Link" button for room-to-room streaming, the device is hindered by a difficult setup, an unstable companion app, and the lack of an internal battery.

lesnumeriques.com

09/12/2014

Summary of the review

Harman/Kardon Omni 20: best price - Les Numériques

The Harman Kardon Omni 20 is praised by Les Numériques for its robust build quality, easy setup, intuitive app control, and fluid multiroom performance. Despite these strengths, the review notes that the companion application needed further updates and evolution to maximize its potential. Overall, the publication considers it a highly competent and well-constructed wireless speaker system.

on-mag.fr

21/04/2015

Summary of the review

Harman/Kardon Omni 20 multiroom speaker review - Les Numériques

The Harman Kardon Omni 20 is a compact, high-power Wi-Fi multiroom speaker, lauded for its warm, wide-sounding acoustic performance and precise, impactful bass. While delivering impressive sound, the unit is restricted by limited physical connectivity, including no USB or Ethernet ports and an inconveniently placed auxiliary input, alongside a, comparatively, less versatile streaming interface.

parentesis.com

Septiembre 15, 2016

Summary of the review

Review: Harman Kardon Omni 20 Speaker

The Paréntesis review of the Bose SoundTouch 10, a compact $3,999 MXN wireless speaker, highlights its high-quality audio, easy setup, and multi-room synchronization capabilities as key pros, awarding it a 6 out of 10. However, the review notes a significant drawback in that the speaker lacks a battery, making it entirely dependent on a wall outlet and severely limiting its portability.

letemsvetemapplem.eu

03/02/2015

Summary of the review

Omni 10 and Omni 20 Review: The One You Will Seriously...

The Harman Kardon Omni 10 and 20 review highlights studio-grade 24-bit/96kHz HD audio streaming, deep bass, and versatile connectivity (Bluetooth, Wi-Fi, 3.5mm jack) as major strengths, alongside intuitive multi-room synchronization. While offering superior sound, the speakers rely heavily on a dedicated control app for setup, feature distinct size variations, and come at a premium price point.

fwd.nl

02/07/2017

Summary of the review

Review: Harman Kardon Omni 10+ and Harman Kardon Omni 20+

The FWD Magazine review highlights the Harman Kardon Omni 10+ and 20+ as stylish, multiroom-capable speakers featuring a faster, smoother network setup, robust bass performance, and high-fidelity Bluetooth. While the larger Omni 20+ offers a balanced stereo soundstage, limitations include the lack of a built-in battery and the inability to pair different models (e.g., 10+ with 20+) for stereo.

techtesters.eu

22/12/2017

Summary of the review

Harman Kardon Omni 10+, 20+ and 50+ review - Techtesters

The Techtesters review of the Harman Kardon Omni+ series (10+, 20+, 50+) highlights a powerful soundstage and deep bass that outperforms competitors, alongside versatile connectivity, physical controls, and the portable, IPX5-rated Omni 50+. However, the review notes a frequently overwhelming low-end, uninspiring design, and average-feeling buttons as primary drawbacks.

alpha-audio.net

29/05/2015

Summary of the review

First impression of the Harman Kardon Omni 10, Omni 20, and Adapt

The Alpha Audio review of the Harman Kardon Omni 10, Omni 20, and Adapt highlights a high-res (24-bit/96 kHz) multi-room system that offers smooth "restreaming" capabilities, with the 10 suited for small spaces and the 20 for larger areas. Key advantages include solid sound performance and 24-bit/96kHz Wi-Fi support, while a limitation is the heavy reliance on the companion app for zoning.

allesoverfilm.nl

09/02/2018

Summary of the review

Harman Kardon Omni Plus - Review | Everything About Film

The Allesoverfilm review of the Harman Kardon Omni Plus highlights a strong, well-integrated multiroom ecosystem with excellent audio from the smaller Omni 10 and 20 Plus speakers, but heavily criticizes the underwhelming sound quality of the Omni Bar Plus and subwoofer. While praising the user-friendly app and native Google Cast support, the review concludes the €899.00 soundbar system offers poor value due to a lack of proper stereo separation and an underwhelming acoustic foundation. A

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