OVERALL
ALTERNATIVES
SPECS
VS AVERAGE
REVIEWS
Scored using Portable Speakers Methodology v1.0
Portable Speakers Methodology v1.0
Mathematical & Unbiased Scoring
Products in this category are scored under Frontum Portable Speakers Methodology v1.0: technical specifications plus authentic consumer ratings, with 0% commercial bias.
Explore Portable Speakers Methodology v1.0

Harman Kardon Omni 20 Review | 130 Data compared

Avg. price:~£260Audio output power:60.00 WBattery life:?IP rating:?Bluetooth version:3.0Weight: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.

Harman Kardon Omni 20
7.1/10

Overall score

Score
7.1/ 10
✕
What it is
An overall evaluation of products in the Portable Speakers category, based on technical analysis and user reviews.
When it matters
When you need a quick reference for identifying the best products in the Portable Speakers category.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 71% of models
Score components

80%

7.0

Technical score

20%

7.2

User score

â–²Better than 71% of portable speakers
7.7

Value for money

Value for money
7.7/ 10
✕
What it is
An indicator that combines the overall score of products in the Portable Speakers category with their prices.
When it matters
When you are comparing products in the Portable Speakers category and want a good balance between quality and price.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 59% of models
Score components

70%

7.1

Overall score

30%

9.2

Price

â–²Better than 59%
7.0

Technical score

Technical score
7.0/ 10
✕
What it is
An assessment of technical performance for products in the Portable Speakers category across these key areas: Audio, Connectivity, Battery, Durability, Controls, Design, Smart features.
When it matters
When you want to compare products in the Portable Speakers category by technical performance, specifications, and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 78% of models
Score components

32%

7.6

Audio

20%

6.9

Battery

18%

6.4

Durability

16%

6.5

Connectivity

8%

7.3

Controls

3%

6.9

Design

3%

7.4

Smart features

â–²Better than 78%
7.2

User score

User score
7.2/ 10
✕
What it is
A rating that combines user reviews with the total review volume for products in the Portable Speakers category.
When it matters
When you want to know how products in the Portable Speakers category perform in everyday use and how reliable owners find them over time.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 87% of models
Score components

70%

7.8

User ratings

30%

5.9

Number of reviews

Based on ratings from across the web.
â–¼Worse than 87%
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Where to buy
*As an Amazon Associate, we earn from qualifying purchases.
Best rankings
Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
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Technical Specifications of portable speaker Harman Kardon Omni 20

Technical score
Technical score
7.0/ 10
✕
What it is
An assessment of technical performance for products in the Portable Speakers category across these key areas: Audio, Connectivity, Battery, Durability, Controls, Design, Smart features.
When it matters
When you want to compare products in the Portable Speakers category by technical performance, specifications, and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 78% of models
Score components:

32%

7.6

Audio

20%

6.9

Battery

18%

6.4

Durability

16%

6.5

Connectivity

8%

7.3

Controls

3%

6.9

Design

3%

7.4

Smart features

7.0
User score
User score
7.2/ 10
✕
What it is
A rating that combines user reviews with the total review volume for products in the Portable Speakers category.
When it matters
When you want to know how products in the Portable Speakers category perform in everyday use and how reliable owners find them over time.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 87% of models
Score components

70%

7.8

User ratings

30%

5.9

Number of reviews

Based on ratings from across the web.
7.2
Popularity
Popularity
5.9/ 10
✕
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.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 62% of models
Popularity:
Harman Kardon Omni 20 has a popularity score of 5.9 points, which is higher than 62.3% of products in this category.
5.9
Value for money
Value for money
7.7/ 10
✕
What it is
An indicator that combines the overall score of products in the Portable Speakers category with their prices.
When it matters
When you are comparing products in the Portable Speakers category and want a good balance between quality and price.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 59% of models
Score components:

70%

7.1

Overall score

30%

9.2

Price

7.7
Audio output power
60 W
Market range: <4 W – >100 W
This portable speaker has an audio output power of 60 W which is higher than that of 79.9% of portable speakers and equal to that of 4.5% of portable speakers.
Driver unit size
?
Number of drivers
4
Market range: <0 – >5
This portable speaker has 4 drivers, which is more than 81.7% of portable speakers and equal to the number in 11.9% of portable speakers.
Frequency response tolerance
?
Lowest frequency
53 Hz
Market range: <20 Hz – >120 Hz
This portable speaker has a lowest frequency of 53 Hz which is lower than that of 58.7% of portable speakers and equal to that of 0.4% of portable speakers.
Show more
Bluetooth connectivity
yes
This portable speaker supports Bluetooth audio. 5.4% of portable speakers offer this feature.
Bluetooth version
3
Market range: <3 – >5.3
This portable speaker supports Bluetooth version 3 which is older than that of 85.4% of portable speakers and equal to that of 6.5% of portable speakers.
Maximum Bluetooth range
10 m
Market range: <10 m – >30 m
This portable speaker has a maximum Bluetooth range of 10 m which is longer than that of 4.3% of portable speakers and equal to that of 70.2% of portable speakers.
Bluetooth profiles supported
A2DP
Bluetooth LE Audio
no
This portable speaker does not support Bluetooth LE Audio. 2.5% of portable speakers offer this feature.
Show more
Battery life
?
Battery capacity
?
Charging time
?
Maximum charging input power
?
Built-in rechargeable battery
no
This portable speaker does not have a built-in rechargeable battery. 81.4% of portable speakers offer this feature.
Requires wired mains power and has no built-in rechargeable operating battery.
Show more
IP rating
?
Water resistance
no
This portable speaker is not water resistant. 61.7% of portable speakers offer this feature.
Dust resistance
?
Waterproof depth rating
?
Drop resistance
no
This portable speaker lacks an impact-resistance rating. 32.8% of portable speakers offer this feature.
Show more
On-device controls placement
top; bottom
Touchscreen
no
This portable speaker does not have a touchscreen. 0.3% of portable speakers offer this feature.
Smartphone app control
yes
This portable speaker supports smartphone app control. 46.1% of portable speakers offer this feature.
Compatible mobile app provides speaker control or settings.
Remote control
no
This portable speaker does not include a remote control. 15% of portable speakers offer this feature.
Fast pairing
no
This portable speaker does not support fast pairing. 22.5% of portable speakers offer this feature.
Show more
Weight
2,130 g
Market range: <200 g – >5.6k g
This portable speaker weighs 2,130 g which is heavier than that of 73.7% of portable speakers and equal to that of 0.1% of portable speakers.
Height
16.6 cm
Market range: <5.79 cm – >29 cm
This portable speaker has a height of 16.6 cm which is taller than that of 63.8% of portable speakers and equal to that of 0.4% of portable speakers.
Width
26 cm
Market range: <7.6 cm – >37 cm
This portable speaker has a width of 26 cm which is wider than that of 72% of portable speakers and equal to that of 0.8% of portable speakers.
Depth
16.4 cm
Market range: <4.3 cm – >19.97 cm
This portable speaker has a depth of 16.4 cm which is deeper than that of 83.6% of portable speakers and equal to that of 0.2% of portable speakers.
Carry options
none
Show more
Companion app name
Harman Kardon Controller
Firmware updates
yes
This portable speaker supports firmware updates. 52.9% of portable speakers offer this feature.
Supports user-accessible firmware updates.
Firmware update method
OTA; App
Voice assistant support
no
This portable speaker does not support voice assistants. 26.5% of portable speakers offer this feature.
Spotify Connect
no
This portable speaker does not support Spotify Connect. 10.8% of portable speakers offer this feature.
Show more

Harman Kardon Omni 20 vs the average portable speaker

246810TotalAudioConnectivityBatteryDurabilityControlsDesignSmart features
  • 40 W more audio output power
    This portable speaker has more audio output power than the average portable speaker (60 W vs 20 W).
    60 W vs 20 W
  • Supports Wi-Fi connectivity
    This portable speaker supports Wi-Fi connectivity, while the average portable speaker does not support Wi-Fi connectivity.
  • 2 more speaker drivers
    This portable speaker has more speaker drivers than the average portable speaker (4 vs 2).
    4 vs 2
  • Provides 360-degree sound
    This portable speaker provides 360-degree sound, while the average portable speaker does not provide 360-degree sound.
    Provides omnidirectional 360° sound radiation.
  • Has Chromecast built-in
    This portable speaker has Chromecast built-in, while the average portable speaker does not have Chromecast built-in.
  • Has built-in stereo speakers
    This portable speaker has built-in stereo speakers, while the average portable speaker does not have built-in stereo speakers.
    Provides true stereo output within the unit.
  • Has an equalizer
    This portable speaker has an equalizer, while the average portable speaker does not have an equalizer.
    Offers user-selectable EQ, tone adjustment, or sound presets.
  • Supports party mode
    This portable speaker supports party mode, while the average portable speaker does not support party mode.
    Supports synchronized multi-speaker party/group playback.
  • 40 W more audio output power
    This portable speaker has more audio output power than the average portable speaker (60 W vs 20 W).
    60 W vs 20 W
  • 2 more speaker drivers
    This portable speaker has more speaker drivers than the average portable speaker (4 vs 2).
    4 vs 2
  • Provides 360-degree sound
    This portable speaker provides 360-degree sound, while the average portable speaker does not provide 360-degree sound.
    Provides omnidirectional 360° sound radiation.
  • Has built-in stereo speakers
    This portable speaker has built-in stereo speakers, while the average portable speaker does not have built-in stereo speakers.
    Provides true stereo output within the unit.
  • 0.5 % lower total harmonic distortion
    This portable speaker has lower total harmonic distortion than the average portable speaker (0.5 % vs 1 %).
    0.5 % vs 1 %
  • 7 Hz deeper bass extension
    This portable speaker has deeper bass extension than the average portable speaker (53 Hz vs 60 Hz).
    53 Hz vs 60 Hz
  • Supports Wi-Fi connectivity
    This portable speaker supports Wi-Fi connectivity, while the average portable speaker does not support Wi-Fi connectivity.
  • Has Chromecast built-in
    This portable speaker has Chromecast built-in, while the average portable speaker does not have Chromecast built-in.
  • Has a USB Type-C port
    This portable speaker has a USB Type-C port, while the average portable speaker does not have a USB Type-C port.
    Has a physical USB-C port.
  • Has Ethernet support
    This portable speaker has Ethernet support, while the average portable speaker does not have Ethernet support.
  • Includes a power adapter
    This portable speaker includes a power adapter, while the average portable speaker does not include a power adapter.
  • 5 °C higher maximum operating temperature
    This portable speaker has a higher maximum operating temperature than the average portable speaker (45 °C vs 40 °C).
    45 °C vs 40 °C
  • Has an equalizer
    This portable speaker has an equalizer, while the average portable speaker does not have an equalizer.
    Offers user-selectable EQ, tone adjustment, or sound presets.
  • Supports party mode
    This portable speaker supports party mode, while the average portable speaker does not support party mode.
    Supports synchronized multi-speaker party/group playback.
  • Supports playback mute
    This portable speaker supports playback mute, while the average portable speaker does not support playback mute.
    Speaker playback audio can be directly muted.
  • Has a programmable button
    This portable speaker has a programmable button, while the average portable speaker does not have a programmable button.
    Has a user-programmable physical button.
  • Supports multi-room audio
    This portable speaker supports multi-room audio, while the average portable speaker does not support multi-room audio.
    Supports synchronized multi-room playback.
  • Supports automatic room calibration
    This portable speaker supports automatic room calibration, while the average portable speaker does not support automatic room calibration.
  • Supports firmware updates
    This portable speaker supports firmware updates, while the average portable speaker does not support firmware updates.
    Supports user-accessible firmware updates.
  • Is not water resistant
    This portable speaker is not water resistant, while the average portable speaker is water resistant.
  • 1 fewer microphones
    This portable speaker has fewer microphones than the average portable speaker (0 vs 1).
    0 vs 1
  • Does not have a built-in rechargeable battery
    This portable speaker 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.
  • 2 Bluetooth levels older
    This portable speaker has an older Bluetooth version than the average portable speaker (3 vs 5).
    3 vs 5
  • 4 dB SPL lower maximum sound pressure
    This portable speaker has a lower maximum sound pressure level than the average portable speaker (88 dB SPL vs 92 dB SPL).
    88 dB SPL vs 92 dB SPL
  • Does not have a battery level indicator
    This portable speaker does not have a battery level indicator, while the average portable speaker has a battery level indicator.
  • 1,330 g heavier
    This portable speaker is heavier than the average portable speaker (2,130 g vs 800 g).
    2,130 g vs 800 g
  • Does not provide voice prompts
    This portable speaker does not provide voice prompts, while the average portable speaker provides voice prompts.
    No spoken status prompts; feedback is absent, visual, or tone-based.
  • 2.89x more expensive
    Harman Kardon Omni 20 is more expensive than the average portable speaker (£260 vs £90).
    £260 vs £90
  • 10.7% lower user score
    User score
    7.2/ 10
    ✕
    What it is
    A rating that combines user reviews with the total review volume for products in the Portable Speakers category.
    When it matters
    When you want to know how products in the Portable Speakers category perform in everyday use and how reliable owners find them over time.
    Score distribution
    ▼▼
    <55-66-77-88-99-10
    Harman Kardon Omni 20
    the average portable speaker
    Harman Kardon Omni 20 has a lower user score than the average portable speaker (7.23 vs 8).
    7.23 vs 8
  • 1 fewer microphones
    This portable speaker has fewer microphones than the average portable speaker (0 vs 1).
    0 vs 1
  • 4 dB SPL lower maximum sound pressure
    This portable speaker has a lower maximum sound pressure level than the average portable speaker (88 dB SPL vs 92 dB SPL).
    88 dB SPL vs 92 dB SPL
  • 2 Bluetooth levels older
    This portable speaker has an older Bluetooth version than the average portable speaker (3 vs 5).
    3 vs 5
  • Does not have a built-in rechargeable battery
    This portable speaker 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
    This portable speaker does not have a battery level indicator, while the average portable speaker has a battery level indicator.
  • Is not water resistant
    This portable speaker is not water resistant, while the average portable speaker is water resistant.
  • Does not provide voice prompts
    This portable speaker 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
    This portable speaker is heavier than the average portable speaker (2,130 g vs 800 g).
    2,130 g vs 800 g
  • 8.1 cm deeper
    This portable speaker is deeper than the average portable speaker (16.4 cm vs 8.3 cm).
    16.4 cm vs 8.3 cm
  • 7.9 cm wider
    This portable speaker is wider than the average portable speaker (26 cm vs 18.1 cm).
    26 cm vs 18.1 cm
  • 4.2 cm taller
    This portable speaker is taller than the average portable speaker (16.6 cm vs 12.4 cm).
    16.6 cm vs 12.4 cm
  • 5 older
    This portable speaker was released earlier than the average portable speaker (2014 vs 2019).
    2014 vs 2019

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

Expert reviews

In-depth analysis and verdict from leading tech publications

L
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
C
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...
L
lowbeats.de
19/07/2015
Summary of the review
Harman/Kardon Omni 20 – the overachiever among Wi-Fi speakers
(Translated)Show original
A
areadvd.de
18/12/2014
Summary of the review
Harman/Kardon Omni Multiroom System – Elegant Design and High Audio Performance
(Translated)Show original
L
lite-magazin.de
12/12/2014
Summary of the review
Harman/Kardon Omni – Ultra-compact Multiroom with Mega-Power
(Translated)Show original
H
hifitest.de
16/02/2015
Summary of the review
Harman Kardon Omni HD Multi-Room
(Translated)Show original
C
connect.de
07/04/2015
Summary of the review
Harman/Kardon Omni 10 and 20 review
(Translated)Show original
L
lesnumeriques.com
09/12/2014
Summary of the review
Harman/Kardon Omni 20 Review: The Eldest Member of the Multiroom Family
(Translated)Show original
O
on-mag.fr
27/07/2015
Summary of the review
Harman/Kardon Omni 20 Review: A Powerhouse in a Multiroom Wi-Fi Speaker
(Translated)Show original
L
leclaireur.fnac.com
16/11/2016
Summary of the review
Harman-Kardon OMNI 20 Lab Review - Fnac L'Eclaireur
(Translated)Show original
L
lesnumeriques.com
09/12/2014
Summary of the review
Harman/Kardon Omni 20: best price - Les Numériques
(Translated)Show original
O
on-mag.fr
21/04/2015
Summary of the review
Harman/Kardon Omni 20 multiroom speaker review - Les Numériques
(Translated)Show original
P
parentesis.com
15/09/2016
Summary of the review
Review: Harman Kardon Omni 20 Speaker
(Translated)Show original
L
letemsvetemapplem.eu
03/02/2015
Summary of the review
Omni 10 and Omni 20 Review: The One You Will Seriously...
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F
fwd.nl
02/07/2017
Summary of the review
Review: Harman Kardon Omni 10+ and Harman Kardon Omni 20+
(Translated)Show original
T
techtesters.eu
22/12/2017
Summary of the review
Harman Kardon Omni 10+, 20+ and 50+ review - Techtesters
(Translated)Show original
A
alpha-audio.net
29/05/2015
Summary of the review
First impression of the Harman Kardon Omni 10, Omni 20, and Adapt
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A
allesoverfilm.nl
09/02/2018
Summary of the review
Harman Kardon Omni Plus - Review | Everything About Film
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Third-party reviews

Based on ratings from across the web.
Reviews last updated: August 2026 · How we calculate this

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 don't like 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

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.

Compare Harman Kardon Omni 20 with other products in the Portable Speakers category

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