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 Aura Studio 4 Review | 130 Data compared

Avg. price:~£290Audio output power:130.00 WBattery life:8 hoursIP rating:IPX4Bluetooth version:4.2Weight:3600 g

Harman Kardon Aura Studio 4 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 Aura Studio 4
7.0/10

Overall score

Score
7.0/ 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
Score components

80%

6.6

Technical score

20%

8.6

User score

â–²Better than 68% of portable speakers
7.6

Value for money

Value for money
7.6/ 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
Score components

70%

7.0

Overall score

30%

9.0

Price

â–²Better than 50%
6.6

Technical score

Technical score
6.6/ 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
Score components

32%

8.3

Audio

20%

5.5

Battery

18%

6.3

Durability

16%

5.9

Connectivity

8%

5.6

Controls

3%

5.4

Design

3%

5.0

Smart features

â–²Better than 53%
8.6

User score

User score
8.6/ 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
Score components

70%

9.0

User ratings

30%

7.7

Number of reviews

Based on ratings from across the web.
â–²Better than 80%
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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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Portable Speakers model ranking

Ranked #312 of 1,316 models in Portable Speakers (Overall score)

Technical Specifications of portable speaker Harman Kardon Aura Studio 4

Technical score
Technical score
6.6/ 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
Score components:

32%

8.3

Audio

20%

5.5

Battery

18%

6.3

Durability

16%

5.9

Connectivity

8%

5.6

Controls

3%

5.4

Design

3%

5.0

Smart features

6.6
User score
User score
8.6/ 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
Score components

70%

9.0

User ratings

30%

7.7

Number of reviews

Based on ratings from across the web.
8.6
Popularity
Popularity
7.7/ 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
Popularity:
Harman Kardon Aura Studio 4 has a popularity score of 7.7 points, which is higher than 76.1% of products in this category.
7.7
Value for money
Value for money
7.6/ 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
Score components:

70%

7.0

Overall score

30%

9.0

Price

7.6
Audio output power
130 W
This portable speaker has an audio output power of 130 W which is higher than that of 93.8% of portable speakers and equal to that of 0.4% of portable speakers.
Driver unit size
?
Number of drivers
7
This portable speaker has 7 drivers, which is more than 98.1% of portable speakers and equal to the number in 1.2% of portable speakers.
Frequency response tolerance
?
Lowest frequency
45 Hz
This portable speaker has a lowest frequency of 45 Hz which is lower than that of 70.2% of portable speakers and equal to that of 3.6% of portable speakers.
Show more
Bluetooth connectivity
yes
This portable speaker supports Bluetooth audio. 5.4% of portable speakers offer this feature.
Bluetooth version
4.2
This portable speaker supports Bluetooth version 4.2 which is older than that of 53.8% of portable speakers and equal to that of 17.8% of portable speakers.
Maximum Bluetooth range
10 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; AVRCP
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
8 hours
This portable speaker has a battery life of 8 hours which is shorter than that of 68.9% of portable speakers and equal to that of 11.6% of portable speakers.
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
IPX4
This portable speaker has an IP rating of IPX4 which provides worse ingress protection than 77.7% of portable speakers and the same ingress protection as 21% of portable speakers.
Water resistance
yes
This portable speaker is water resistant. 38.3% of portable speakers offer this feature.
Dust resistance
no
This portable speaker is not rated as dust resistant. 51.5% of portable speakers offer this feature.
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
front
Touchscreen
no
This portable speaker does not have a touchscreen. 0.3% of portable speakers offer this feature.
Smartphone app control
no
This portable speaker does not support smartphone app control. 54% of portable speakers offer this feature.
No compatible mobile app for speaker control.
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
3,600 g
This portable speaker weighs 3,600 g which is heavier than that of 84.2% of portable speakers and equal to that of 0.5% of portable speakers.
Height
28.36 cm
This portable speaker has a height of 28.36 cm which is taller than that of 89.5% of portable speakers and equal to that of 0.1% of portable speakers.
Width
23.2 cm
This portable speaker has a width of 23.2 cm which is wider than that of 65.7% of portable speakers and equal to that of 0.2% of portable speakers.
Depth
23.2 cm
This portable speaker has a depth of 23.2 cm which is deeper than that of 92.4% of portable speakers and equal to that of 0.1% of portable speakers.
Carry options
none
Show more
Companion app name
?
Firmware updates
no
This portable speaker does not support firmware updates. 47.2% of portable speakers offer this feature.
Firmware update method
USB
Voice assistant support
no
This portable speaker does not support voice assistants. 26.5% of portable speakers offer this feature.
Supports direct voice-assistant control.
Spotify Connect
no
This portable speaker does not support Spotify Connect. 10.8% of portable speakers offer this feature.
Show more

Harman Kardon Aura Studio 4 vs the average portable speaker

246810TotalAudioConnectivityBatteryDurabilityControlsDesignSmart features
  • 110 W more audio output power
    This portable speaker has more audio output power than the average portable speaker (130 W vs 20 W).
    130 W vs 20 W
  • 5 more speaker drivers
    This portable speaker has more speaker drivers than the average portable speaker (7 vs 2).
    7 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.
  • Includes a subwoofer
    This portable speaker includes a subwoofer, while the average portable speaker does not include a subwoofer.
    Has an integrated active subwoofer driver.
  • 1 more multipoint connections
    This portable speaker has more multipoint connections than the average portable speaker (2 vs 1).
    2 vs 1
  • 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.
  • Supports aptX Adaptive
    This portable speaker supports aptX Adaptive, while the average portable speaker does not support aptX Adaptive.
  • 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.
  • 7.7% higher user score
    User score
    8.6/ 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
    â–¼
    <55-66-77-88-99-10
    Harman Kardon Aura Studio 4
    the average portable speaker
    Harman Kardon Aura Studio 4 has a higher user score than the average portable speaker (8.62 vs 8).
    8.62 vs 8
  • 110 W more audio output power
    This portable speaker has more audio output power than the average portable speaker (130 W vs 20 W).
    130 W vs 20 W
  • 5 more speaker drivers
    This portable speaker has more speaker drivers than the average portable speaker (7 vs 2).
    7 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.
  • Includes a subwoofer
    This portable speaker includes a subwoofer, while the average portable speaker does not include a subwoofer.
    Has an integrated active subwoofer driver.
  • 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.
  • 15 Hz deeper bass extension
    This portable speaker has deeper bass extension than the average portable speaker (45 Hz vs 60 Hz).
    45 Hz vs 60 Hz
  • Has beamforming microphones
    This portable speaker has beamforming microphones, while the average portable speaker does not have beamforming microphones.
    Uses beamforming microphone technology.
  • 3 dB SPL higher maximum sound pressure
    This portable speaker has a higher maximum sound pressure level than the average portable speaker (95 dB SPL vs 92 dB SPL).
    95 dB SPL vs 92 dB SPL
  • 29 mm larger built-in subwoofer
    This portable speaker has a larger built-in subwoofer than the average portable speaker (130 mm vs 101 mm).
    130 mm vs 101 mm
  • 1 more multipoint connections
    This portable speaker has more multipoint connections than the average portable speaker (2 vs 1).
    2 vs 1
  • Supports aptX Adaptive
    This portable speaker supports aptX Adaptive, while the average portable speaker does not support aptX Adaptive.
  • 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
  • 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 sleep timer
    This portable speaker has a sleep timer, while the average portable speaker does not have a sleep timer.
    A selectable timer can stop playback or power the speaker down.
  • Supports automatic room calibration
    This portable speaker supports automatic room calibration, while the average portable speaker does not support automatic room calibration.
  • Is not rated as dust resistant
    This portable speaker is not rated as dust resistant, while the average portable speaker is dust resistant.
  • 1 fewer microphones
    This portable speaker has fewer microphones than the average portable speaker (0 vs 1).
    0 vs 1
  • Does not support smartphone app control
    This portable speaker does not support smartphone app control, while the average portable speaker supports smartphone app control.
    No compatible mobile app for speaker control.
  • 4 hours shorter battery life
    This portable speaker has a shorter battery life than the average portable speaker (8 hours vs 12 hours).
    8 hours vs 12 hours
  • 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.
  • 2,800 g heavier
    This portable speaker is heavier than the average portable speaker (3,600 g vs 800 g).
    3,600 g vs 800 g
  • 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.
  • Worse ingress protection
    This portable speaker has worse ingress protection than the average portable speaker (IPX4 vs IPX5).
    IPX4 vs IPX5
  • 3.22x more expensive
    Harman Kardon Aura Studio 4 is more expensive than the average portable speaker (£290 vs £90).
    £290 vs £90
  • 1 fewer microphones
    This portable speaker has fewer microphones than the average portable speaker (0 vs 1).
    0 vs 1
  • 0.8 Bluetooth levels older
    This portable speaker has an older Bluetooth version than the average portable speaker (4.2 vs 5).
    4.2 vs 5
  • 4 hours shorter battery life
    This portable speaker has a shorter battery life than the average portable speaker (8 hours vs 12 hours).
    8 hours vs 12 hours
  • 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 rated as dust resistant
    This portable speaker is not rated as dust resistant, while the average portable speaker is dust resistant.
  • Worse ingress protection
    This portable speaker has worse ingress protection than the average portable speaker (IPX4 vs IPX5).
    IPX4 vs IPX5
  • Does not support smartphone app control
    This portable speaker does not support smartphone app control, while the average portable speaker supports smartphone app control.
    No compatible mobile app for speaker control.
  • 2,800 g heavier
    This portable speaker is heavier than the average portable speaker (3,600 g vs 800 g).
    3,600 g vs 800 g
  • 15.96 cm taller
    This portable speaker is taller than the average portable speaker (28.4 cm vs 12.4 cm).
    28.36 cm vs 12.4 cm
  • 14.9 cm deeper
    This portable speaker is deeper than the average portable speaker (23.2 cm vs 8.3 cm).
    23.2 cm vs 8.3 cm
  • 5.1 cm wider
    This portable speaker is wider than the average portable speaker (23.2 cm vs 18.1 cm).
    23.2 cm vs 18.1 cm

Video reviews

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

Expert reviews

In-depth analysis and verdict from leading tech publications

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pcmag.com
20/03/2024
Summary of the review
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uk.pcmag.com
20/03/2024
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me.pcmag.com
20/03/2024
Summary of the review
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au.pcmag.com
21/03/2024
Summary of the review
W
whatgadget.net
23/06/2024
Summary of the review
C
consumerreports.org
01/03/2024
Summary of the review
I
id.nl
15/11/2023
Summary of the review
F
fwd.nl
05/11/2023
Summary of the review
L
lite-magazin.de
19/12/2023
Summary of the review
T
techtest.org
16/11/2023
Summary of the review
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letemsvetemapplem.eu
17/01/2025
Summary of the review
H
hablandodemanzanas.com
22/02/2024
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luisgyg.com
23/06/2024
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letemsvetemapplem.eu
17/01/2025
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P
pocketmags.com
01/09/2023
Summary of the review
A
altroconsumo.it
01/10/2023
Summary of the review
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letemsvetemapplem.eu
18/01/2025
Summary of the review
F
fwd.nl
05/11/2023
Summary of the review
C
consumentenbond.nl
19/05/2026
Summary of the review
I
id.nl
15/11/2023
Summary of the review

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 Aura Studio 4

  • Mesmerizing, diamond-effect ambient LED lighting that syncs with music tempo
  • Iconic and elegant transparent dome design that serves as a visual centerpiece
  • Powerful, room-filling 360-degree soundstage
  • Deep, punchy, and clear bass performance from the down-firing subwoofer
  • Premium, eco-friendly build quality utilizing recycled materials

What customers don't like about Harman Kardon Aura Studio 4

  • Lacks a dedicated companion mobile application for customization
  • No built-in equalizer (EQ) for easy audio adjustments
  • Outdated Bluetooth 4.2 connectivity which can lead to occasional lagging
  • Lacks an internal battery and requires a constant AC power source
  • Missing smart features, high-quality audio codecs, and voice assistant support

Verdict

The Harman Kardon Aura Studio 4 is a visually striking home speaker featuring a 130W RMS total power output split between six 40mm mid-to-high range transducers (2 x 15W) and a 5.2-inch (130mm) downward-firing subwoofer (100W) to deliver a 360-degree soundstage across a 45 Hz to 20 kHz frequency response. Its defining pros include exceptional sonic clarity, rich bass, and a distinctive transparent dome design with 324 individual crystals providing five customizable diamond-effect animated ambient lighting themes that dance to the music. However, despite being categorized alongside portable gear, it is not truly portable as it lacks a built-in battery and requires constant wall power, while also suffering from outdated Bluetooth 4.2 connectivity, a lack of advanced audio codec support, and no official companion app for EQ adjustments.

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