Astell Kern Acro BE100 Review | 130 Data compared

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  • Avg. price in UK: ~£440
  • Avg. price in US: ~$500
  • Audio output power: 55.00 W
  • Battery life: 18 hours
  • IP rating: ?
  • Bluetooth version: 5.0
  • Weight: 3200 g

Astell Kern Acro BE100 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.

6.9

Overall score

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 components:

80.0%

6.8

Technical Score

20.0%

7.4

User score

Good
6.8

Technical Score

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 components:

32.0%

7.7

Audio

20.0%

7.6

Battery

18.0%

6.2

Durability

16.0%

6.3

Connectivity

8.0%

5.1

Controls

3.0%

6.3

Design

3.0%

4.2

Smart features

Good
7.4

User score

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 components:

70.0%

8.4

User reviews

30.0%

5.0

Popularity

User score:
United Kingdom
amazon
4.2
(40)

(Reviews last updated: August 2026)

Very good
  • 6.3
    Outdoor durability

    Score components:

    40.0%

    4.0

    Water resistance

    25.0%

    ?

    IP rating

    20.0%

    6.7

    Weight

    15.0%

    8.8

    Battery life

  • 7.2
    Powerful sound

    Score components:

    45.0%

    7.5

    Audio output power

    25.0%

    8.8

    Battery life

    15.0%

    6.7

    Weight

    15.0%

    4.0

    Party mode

  • 5.1
    Home listening

    Score components:

    35.0%

    4.0

    Multi-room support

    30.0%

    4.0

    Wi-Fi connectivity

    20.0%

    7.5

    Audio output power

    15.0%

    6.7

    Weight

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Best prices in UK

Best rankings

?

Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The Astell&Kern ACRO BE100 is a premium home Bluetooth 5.0 speaker designed for audiophiles, featuring a dedicated 32-bit Hi-Fi DAC, a custom 4-inch Kevlar woofer, two 1.5-inch silk dome tweeters, and an in-house Class-D amplifier delivering 55W of total output power. It excels with high-resolution wireless playback by supporting 24-bit aptX HD and LDAC codecs, alongside physical connectivity via a 3.5mm AUX input and manual five-level onboard bass and treble adjustments. Main advantages include exceptional sonic clarity, punchy low-end response, low-distortion audio output, and a striking angular architectural chassis with a premium knurled volume knob. However, despite being mistaken for a portable device, it lacks an internal battery and requires a constant wall outlet connection, lacks a dedicated mobile companion app for advanced equalization, and offers no Wi-Fi or digital assistant integration.

Technical Specifications of portable speaker Astell Kern Acro BE100

Technical Score

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 components:

32.0%

7.7

Audio

20.0%

7.6

Battery

18.0%

6.2

Durability

16.0%

6.3

Connectivity

8.0%

5.1

Controls

3.0%

6.3

Design

3.0%

4.2

Smart features

6.8
Astell Kern Acro BE100 has a technical score of 6.82 points, which is lower than 50.2% of products in this category.
User score

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 components:

70.0%

8.4

User reviews

30.0%

5.0

Popularity

User score:
United Kingdom
amazon
4.2
(40)

(Reviews last updated: August 2026)

7.4
Astell Kern Acro BE100 has a user score of 7.38 points, which is lower than 86.4% of products in this category.
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.
5.0
Astell Kern Acro BE100 has a popularity of 5 points, which is higher than 53.9% of products in this category.
Ratio quality/price

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 components:

60.0%

6.9

Overall score

40.0%

8.2

Price

7.3
Astell Kern Acro BE100 has a quality-to-price ratio of 7.3 points, which is lower than 83.1% of products in this category.
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

55.00 W
Astell Kern Acro BE100 has an audio output power of 55.00 W which is higher than that of 79.3% of portable speakers and equal to that of 0.5% of portable speakers.
Total RMS output: 55.00 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

3
Astell Kern Acro BE100 has 3 drivers, which is more than 70.1% of portable speakers and equal to the number in 11.5% of portable speakers.
Acoustic drivers: 3.
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

50.00 Hz
Astell Kern Acro BE100 has a lowest frequency of 50.00 Hz which is lower than that of 59.9% of portable speakers and equal to that of 9.1% of portable speakers.
Lower frequency-response endpoint: 50.00 Hz.
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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

yes
Astell Kern Acro BE100 supports Bluetooth audio. 5.4% of portable speakers offer this feature.
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

5.0
Astell Kern Acro BE100 supports Bluetooth version 5.0 which is newer than that of 46.3% of portable speakers and equal to that of 24.4% of portable speakers.
Bluetooth version: 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

10.00 m
Astell Kern Acro BE100 has a maximum Bluetooth range of 10.00 m which is longer than that of 4.3% of portable speakers and equal to that of 70.2% of portable speakers.
Maximum Bluetooth range: 10.00 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; AVRCP
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

no
Astell Kern Acro BE100 does not support Bluetooth LE Audio. 2.5% of portable speakers offer this feature.
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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

18 hours
Astell Kern Acro BE100 has a battery life of 18 hours which is longer than that of 77.6% of portable speakers and equal to that of 2.5% of portable speakers.
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

no
Astell Kern Acro BE100 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.
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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

no
Astell Kern Acro BE100 is not water resistant. 61.7% of portable speakers offer this feature.
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

no
Astell Kern Acro BE100 is not rated as dust resistant. 51.5% of portable speakers offer this feature.
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

no
Astell Kern Acro BE100 lacks an impact-resistance rating. 32.8% of portable speakers offer this feature.
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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
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

no
Astell Kern Acro BE100 does not have a touchscreen. 0.3% of portable speakers offer this feature.
The speaker does not have an integrated touchscreen.
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

no
Astell Kern Acro BE100 does not support smartphone app control. 54% of portable speakers offer this feature.
No compatible mobile app for speaker control.
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

no
Astell Kern Acro BE100 does not include a remote control. 15% of portable speakers offer this feature.
No dedicated remote control is documented.
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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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

3,200 g
Astell Kern Acro BE100 weighs 3,200 g which is heavier than that of 81.5% of portable speakers and equal to that of 0.4% of portable speakers.
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

16.4 cm
Astell Kern Acro BE100 has a height of 16.4 cm which is taller than that of 63.1% of portable speakers and equal to that of 0.1% of portable speakers.
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

26.1 cm
Astell Kern Acro BE100 has a width of 26.1 cm which is wider than that of 72.9% of portable speakers and equal to that of 0.1% of portable speakers.
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

17.1 cm
Astell Kern Acro BE100 has a depth of 17.1 cm which is deeper than that of 84.8% of portable speakers.
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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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

?
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

no
Astell Kern Acro BE100 does not support firmware updates. 47.2% of portable speakers offer this feature.
No supported user-accessible firmware update path.
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

USB
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

no
Astell Kern Acro BE100 does not support voice assistants. 26.5% of portable speakers offer this feature.
No direct supported voice-assistant control.
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

no
Astell Kern Acro BE100 does not support Spotify Connect. 10.8% of portable speakers offer this feature.
Does not support native Spotify Connect.
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Astell Kern Acro BE100 vs the average portable speaker

  • 35 W more audio output power
    Astell Kern Acro BE100 has more audio output power than the average portable speaker (55 W vs 20.00 W).
    Total RMS output: 55.00 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

    Astell Kern Acro BE100 has more audio output power than the average portable speaker (55 W vs 20.00 W).55.00 W vs 20.00 W
  • 6 hours longer battery life
    Astell Kern Acro BE100 has a longer battery life than the average portable speaker (18 hours vs 12 hours).
    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

    Astell Kern Acro BE100 has a longer battery life than the average portable speaker (18 hours vs 12 hours).18 hours vs 12 hours
  • Has built-in stereo speakers
    Astell Kern Acro BE100 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

    Astell Kern Acro BE100 has built-in stereo speakers, while the average portable speaker does not have built-in stereo speakers.
  • Has an equalizer
    Astell Kern Acro BE100 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

    Astell Kern Acro BE100 has an equalizer, while the average portable speaker does not have an equalizer.
  • 1 more speaker drivers
    Astell Kern Acro BE100 has more speaker drivers than the average portable speaker (3 vs 2).
    Acoustic drivers: 3.
    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

    Astell Kern Acro BE100 has more speaker drivers than the average portable speaker (3 vs 2).3 vs 2
  • Supports aptX HD
    Astell Kern Acro BE100 supports aptX HD, while the average portable speaker does not support aptX HD.
    Supports aptX HD.
    What it is: Shows whether the aptX HD codec is supported for higher-quality streaming.
    When it matters: When higher-quality Bluetooth playback matters with compatible source devices.

    Importance: LOW

    Good value: yes

    Astell Kern Acro BE100 supports aptX HD, while the average portable speaker does not support aptX HD.
  • Includes a power adapter
    Astell Kern Acro BE100 includes a power adapter, while the average portable speaker does not include a power adapter.
    What it is: Indicates whether a dedicated power adapter is included in the box.
    When it matters: When you want the required charging hardware supplied in the box.

    Importance: LOW

    Good value: yes

    Astell Kern Acro BE100 includes a power adapter, while the average portable speaker does not include a power adapter.
  • 10 Hz deeper bass extension
    Astell Kern Acro BE100 has deeper bass extension than the average portable speaker (50 Hz vs 60.00 Hz).
    Lower frequency-response endpoint: 50.00 Hz.
    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

    Astell Kern Acro BE100 has deeper bass extension than the average portable speaker (50 Hz vs 60.00 Hz).50.00 Hz vs 60.00 Hz
  • 35 W more audio output power
    Astell Kern Acro BE100 has more audio output power than the average portable speaker (55 W vs 20.00 W).
  • Has built-in stereo speakers
    Astell Kern Acro BE100 has built-in stereo speakers, while the average portable speaker does not have built-in stereo speakers.
  • 1 more speaker drivers
    Astell Kern Acro BE100 has more speaker drivers than the average portable speaker (3 vs 2).
  • 10 Hz deeper bass extension
    Astell Kern Acro BE100 has deeper bass extension than the average portable speaker (50 Hz vs 60.00 Hz).
  • 2 dB SPL higher maximum sound pressure
    Astell Kern Acro BE100 has a higher maximum sound pressure level than the average portable speaker (94 dB SPL vs 92.00 dB SPL).
  • Supports aptX HD
    Astell Kern Acro BE100 supports aptX HD, while the average portable speaker does not support aptX HD.
  • Supports AAC Bluetooth audio
    Astell Kern Acro BE100 supports AAC Bluetooth audio, while the average portable speaker does not support AAC Bluetooth audio.
  • 6 hours longer battery life
    Astell Kern Acro BE100 has a longer battery life than the average portable speaker (18 hours vs 12 hours).
  • Includes a power adapter
    Astell Kern Acro BE100 includes a power adapter, while the average portable speaker does not include a power adapter.
  • Has an equalizer
    Astell Kern Acro BE100 has an equalizer, while the average portable speaker does not have an equalizer.
  • Has an FM radio
    Astell Kern Acro BE100 has an FM radio, while the average portable speaker does not have an FM radio.
  • Does not include a passive radiator
    Astell Kern Acro BE100 does not include a passive radiator, while the average portable speaker includes a passive radiator.
  • 1 fewer USB ports
    Astell Kern Acro BE100 has fewer USB ports than the average portable speaker (0 vs 1).
    Physical USB ports: 0.
  • Does not have a built-in rechargeable battery
    Astell Kern Acro BE100 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
    Astell Kern Acro BE100 does not have a battery level indicator, while the average portable speaker has a battery level indicator.
  • Is not water resistant
    Astell Kern Acro BE100 is not water resistant, while the average portable speaker is water resistant.
  • Is not rated as dust resistant
    Astell Kern Acro BE100 is not rated as dust resistant, while the average portable speaker is dust resistant.
  • Does not support smartphone app control
    Astell Kern Acro BE100 does not support smartphone app control, while the average portable speaker supports smartphone app control.
    No compatible mobile app for speaker control.
  • Does not support stereo pairing
    Astell Kern Acro BE100 does not support stereo pairing, while the average portable speaker supports stereo pairing.
    True left/right stereo pairing: not supported.
  • Does not support True Wireless Stereo
    Astell Kern Acro BE100 does not support True Wireless Stereo, while the average portable speaker supports True Wireless Stereo.
    Does not support True Wireless Stereo speaker linking.
  • Does not provide voice prompts
    Astell Kern Acro BE100 does not provide voice prompts, while the average portable speaker provides voice prompts.
    No spoken status prompts; feedback is absent, visual, or tone-based.
  • Does not support auto power-off
    Astell Kern Acro BE100 does not support auto power-off, while the average portable speaker supports auto power-off.
    No automatic inactivity-based power-off.
  • 2,400 g heavier
    Astell Kern Acro BE100 is heavier than the average portable speaker (3,200 g vs 800 g).
  • 8.8 cm deeper
    Astell Kern Acro BE100 is deeper than the average portable speaker (17.1 cm vs 8.3 cm).
  • 8 cm wider
    Astell Kern Acro BE100 is wider than the average portable speaker (26.1 cm vs 18.1 cm).
  • 4 cm taller
    Astell Kern Acro BE100 is taller than the average portable speaker (16.4 cm vs 12.4 cm).
  • Is not water resistant
    Astell Kern Acro BE100 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

    Astell Kern Acro BE100 is not water resistant, while the average portable speaker is water resistant.
  • Is not rated as dust resistant
    Astell Kern Acro BE100 is not rated as dust resistant, while the average portable speaker is dust resistant.
    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

    Astell Kern Acro BE100 is not rated as dust resistant, while the average portable speaker is dust resistant.
  • Does not support smartphone app control
    Astell Kern Acro BE100 does not support smartphone app control, while the average portable speaker supports smartphone app control.
    No compatible mobile app for speaker 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

    Astell Kern Acro BE100 does not support smartphone app control, while the average portable speaker supports smartphone app control.
  • Does not have a built-in rechargeable battery
    Astell Kern Acro BE100 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

    Astell Kern Acro BE100 does not have a built-in rechargeable battery, while the average portable speaker has a built-in rechargeable battery.
  • Does not include a passive radiator
    Astell Kern Acro BE100 does not include a passive radiator, while the average portable speaker includes a passive radiator.
    What it is: Shows whether passive radiators are used to reinforce bass output.
    When it matters: When enhanced bass response from a compact enclosure matters.

    Importance: LOW

    Good value: yes

    Astell Kern Acro BE100 does not include a passive radiator, while the average portable speaker includes a passive radiator.
  • Does not support stereo pairing
    Astell Kern Acro BE100 does not support stereo pairing, while the average portable speaker supports stereo pairing.
    True left/right stereo pairing: not supported.
    What it is: Indicates whether two compatible speakers can form a stereo pair.
    When it matters: When two compatible speakers should form separate left and right channels.

    Importance: LOW

    Good value: yes

    Astell Kern Acro BE100 does not support stereo pairing, while the average portable speaker supports stereo pairing.
  • Does not support True Wireless Stereo
    Astell Kern Acro BE100 does not support True Wireless Stereo, while the average portable speaker supports True Wireless Stereo.
    Does not support True Wireless Stereo speaker linking.
    What it is: Shows whether the speaker supports true wireless speaker-to-speaker pairing.
    When it matters: When two compatible speakers should pair wirelessly for stereo playback.

    Importance: LOW

    Good value: yes

    Astell Kern Acro BE100 does not support True Wireless Stereo, while the average portable speaker supports True Wireless Stereo.
  • Does not have a battery level indicator
    Astell Kern Acro BE100 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

    Astell Kern Acro BE100 does not have a battery level indicator, while the average portable speaker has a battery level indicator.

Graphic comparison of Astell Kern Acro BE100 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 Astell Kern Acro BE100?

  • Excellent sound quality with clear vocals and highly detailed instrumentation
  • Sophisticated, premium design featuring a grain-leather pattern and a unique angular aesthetic
  • Outstanding Bluetooth codec support including high-resolution LDAC and aptX HD
  • Dedicated 32-bit Hi-Fi digital-to-analog converter (DAC) that prevents audio distortion
  • Onboard physical five-level treble and bass EQ adjustment settings

What customers dislike about Astell Kern Acro BE100?

  • High price point compared to competitor wireless speakers
  • Lacks portability due to having no built-in rechargeable battery power
  • Absence of a dedicated smartphone companion app or advanced smart features
  • No Wi-Fi connectivity or multi-room ecosystem capabilities
  • Soundstage loses bass depth at high volumes and lacks true stereo separation due to its compact size

Expert reviews

M
majorhifi.com
31/03/2022
Summary of the review
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uk.pcmag.com
07/04/2022
Summary of the review
D
dxomark.com
25/02/2022
Summary of the review
E
eftm.com
09/05/2022
Summary of the review
M
musicphotolife.com
03/01/2022
Summary of the review
P
pcmag.com
07/04/2022
Summary of the review
D
dxomark.com
25/02/2022
Summary of the review

Video reviews

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