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

Energy Sistem FS1 Review | 130 Data compared

Avg. price:~£35Audio output power:10.00 WBattery life:12 hoursIP rating:?Bluetooth version:5.0Weight:420 g

Energy Sistem FS1 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.

Energy Sistem FS1
6.0/10

Overall score

Score
6.0/ 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
â–¼ Worse than 89% of models
Score components

80%

5.5

Technical score

20%

8.0

User score

â–¼Worse than 89% of portable speakers
7.2

Value for money

Value for money
7.2/ 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–¼ Worse than 85% of models
Score components

70%

6.0

Overall score

30%

10

Price

â–¼Worse than 85%
5.5

Technical score

Technical score
5.5/ 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–¼ Worse than 97% of models
Score components

32%

5.2

Audio

20%

5.0

Battery

18%

5.3

Durability

16%

6.6

Connectivity

8%

5.7

Controls

3%

8.7

Design

3%

4.2

Smart features

â–¼Worse than 97%
8.0

User score

User score
8.0/ 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 72% of models
Score components

70%

8.2

User ratings

30%

7.4

Number of reviews

Based on ratings from across the web.
â–¼Worse than 72%
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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 Energy Sistem FS1

Technical score
Technical score
5.5/ 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–¼ Worse than 97% of models
Score components:

32%

5.2

Audio

20%

5.0

Battery

18%

5.3

Durability

16%

6.6

Connectivity

8%

5.7

Controls

3%

8.7

Design

3%

4.2

Smart features

5.5
User score
User score
8.0/ 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 72% of models
Score components

70%

8.2

User ratings

30%

7.4

Number of reviews

Based on ratings from across the web.
8.0
Popularity
Popularity
7.4/ 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 74% of models
Popularity:
Energy Sistem FS1 has a popularity score of 7.4 points, which is higher than 73.9% of products in this category.
7.4
Value for money
Value for money
7.2/ 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–¼ Worse than 85% of models
Score components:

70%

6.0

Overall score

30%

10

Price

7.2
Audio output power
10 W
Market range: <4 W – >100 W
This portable speaker has an audio output power of 10 W which is lower than that of 66.1% of portable speakers and equal to that of 7.3% of portable speakers.
Driver unit size
40 mm
Market range: <38 mm – >101 mm
This portable speaker has a driver unit size of 40 mm which is smaller than that of 76.3% of portable speakers and equal to that of 13.2% of portable speakers.
Number of drivers
2
Market range: <0 – >5
This portable speaker has 2 drivers, which is more than 24.5% of portable speakers and equal to the number in 45.5% of portable speakers.
Frequency response tolerance
?
Lowest frequency
100 Hz
Market range: <20 Hz – >120 Hz
This portable speaker has a lowest frequency of 100 Hz which is higher than that of 82.6% of portable speakers and equal to that of 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
5
Market range: <3 – >5.3
This portable speaker supports Bluetooth version 5 which is newer than that of 46.3% of portable speakers and equal to that of 24.4% of portable speakers.
Maximum Bluetooth range
20 m
Market range: <10 m – >30 m
This portable speaker has a maximum Bluetooth range of 20 m which is longer than that of 78.7% of portable speakers and equal to that of 6.4% of portable speakers.
Bluetooth profiles supported
A2DP; AVRCP; HFP; HSP
Bluetooth LE Audio
no
This portable speaker does not support Bluetooth LE Audio. 2.5% of portable speakers offer this feature.
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Battery life
12 hours
Market range: <6 hours – >24 hours
This portable speaker has a battery life of 12 hours which is longer than that of 47.8% of portable speakers and equal to that of 15.7% of portable speakers.
Battery capacity
1,200 mAh
Market range: <900 mAh – >6.6k mAh
This portable speaker has a battery capacity of 1,200 mAh which is smaller than that of 81.3% of portable speakers and equal to that of 4.6% of portable speakers.
Charging time
3 hours
Market range: <2 hours – >5 hours
This portable speaker has a charging time of 3 hours which is shorter than that of 35.5% of portable speakers and equal to that of 35.1% of portable speakers.
Maximum charging input power
5 W
Market range: <5 W – >30 W
This portable speaker has a maximum charging input power of 5 W which is lower than that of 58.7% of portable speakers and equal to that of 38.5% of portable speakers.
Built-in rechargeable battery
yes
This portable speaker has a built-in rechargeable battery. 18.7% of portable speakers offer this feature.
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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
Not waterproof m
This portable speaker is not rated for underwater use. 47.6% of portable speakers have a native waterproof depth rating.
Drop resistance
no
This portable speaker lacks an impact-resistance rating. 32.8% of portable speakers offer this feature.
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On-device controls placement
top
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
420 g
Market range: <200 g – >5.6k g
This portable speaker weighs 420 g which is lighter than that of 72% of portable speakers and equal to that of 0.5% of portable speakers.
Height
16 cm
Market range: <5.79 cm – >29 cm
This portable speaker has a height of 16 cm which is taller than that of 61.2% of portable speakers and equal to that of 1.2% of portable speakers.
Width
?
Depth
6.88 cm
Market range: <4.3 cm – >19.97 cm
This portable speaker has a depth of 6.88 cm which is shallower than that of 66.2% 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
?
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

Energy Sistem FS1 vs the average portable speaker

246810TotalAudioConnectivityBatteryDurabilityControlsDesignSmart features
  • 10 m longer Bluetooth range
    This portable speaker has a longer Bluetooth range than the average portable speaker (20 m vs 10 m).
    20 m vs 10 m
  • Has a noise-canceling microphone
    This portable speaker has a noise-canceling microphone, while the average portable speaker does not have a noise-canceling microphone.
    Uses microphone noise/echo cancellation for calls or voice.
  • Has an external memory card slot
    This portable speaker has an external memory card slot, while the average portable speaker does not have an external memory card slot.
    Has a removable memory-card slot for playback.
  • 380 g lighter
    This portable speaker is lighter than the average portable speaker (420 g vs 800 g).
    420 g vs 800 g
  • 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.
  • 2.57x cheaper
    Energy Sistem FS1 is cheaper than the average portable speaker (£35 vs £90).
    £35 vs £90
  • 2.57x cheaper
    Energy Sistem FS1 is cheaper than the average portable speaker (£35 vs £90).
    £35 vs £90
  • Has a noise-canceling microphone
    This portable speaker has a noise-canceling microphone, while the average portable speaker does not have a noise-canceling microphone.
    Uses microphone noise/echo cancellation for calls or voice.
  • 10 m longer Bluetooth range
    This portable speaker has a longer Bluetooth range than the average portable speaker (20 m vs 10 m).
    20 m vs 10 m
  • Has an external memory card slot
    This portable speaker has an external memory card slot, while the average portable speaker does not have an external memory card slot.
    Has a removable memory-card slot for playback.
  • 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.
  • 380 g lighter
    This portable speaker is lighter than the average portable speaker (420 g vs 800 g).
    420 g vs 800 g
  • Is not water resistant
    This portable speaker is not water resistant, while the average portable speaker is water resistant.
  • 40 Hz less deep bass extension
    This portable speaker has less deep bass extension than the average portable speaker (100 Hz vs 60 Hz).
    100 Hz vs 60 Hz
  • 2,000 Hz lower maximum frequency
    This portable speaker has a lower maximum frequency than the average portable speaker (18,000 Hz vs 20,000 Hz).
    18,000 Hz vs 20,000 Hz
  • 1,400 mAh less battery capacity
    This portable speaker has a smaller battery capacity than the average portable speaker (1,200 mAh vs 2,600 mAh).
    1,200 mAh vs 2,600 mAh
  • 20 dB lower signal-to-noise ratio
    This portable speaker has a lower signal-to-noise ratio than the average portable speaker (60 dB vs 80 dB).
    60 dB vs 80 dB
  • 10 mm smaller main driver
    This portable speaker has a smaller main driver than the average portable speaker (40 mm vs 50 mm).
    40 mm vs 50 mm
  • 5 W lower charging input power
    This portable speaker has lower charging input power than the average portable speaker (5 W vs 10 W).
    5 W vs 10 W
  • 10 W less audio output power
    This portable speaker has less audio output power than the average portable speaker (10 W vs 20 W).
    10 W vs 20 W
  • 4.8% worse value for money
    Energy Sistem FS1 offers worse value for money than the average portable speaker (7.2 vs 7.5).
    7.2 vs 7.55
  • 0.6% lower user score
    User score
    8.0/ 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
    Energy Sistem FS1
    the average portable speaker
    Energy Sistem FS1 has a lower user score than the average portable speaker (7.95 vs 8).
    7.95 vs 8
  • 40 Hz less deep bass extension
    This portable speaker has less deep bass extension than the average portable speaker (100 Hz vs 60 Hz).
    100 Hz vs 60 Hz
  • 2,000 Hz lower maximum frequency
    This portable speaker has a lower maximum frequency than the average portable speaker (18,000 Hz vs 20,000 Hz).
    18,000 Hz vs 20,000 Hz
  • 20 dB lower signal-to-noise ratio
    This portable speaker has a lower signal-to-noise ratio than the average portable speaker (60 dB vs 80 dB).
    60 dB vs 80 dB
  • 10 mm smaller main driver
    This portable speaker has a smaller main driver than the average portable speaker (40 mm vs 50 mm).
    40 mm vs 50 mm
  • 10 W less audio output power
    This portable speaker has less audio output power than the average portable speaker (10 W vs 20 W).
    10 W vs 20 W
  • 1,400 mAh less battery capacity
    This portable speaker has a smaller battery capacity than the average portable speaker (1,200 mAh vs 2,600 mAh).
    1,200 mAh vs 2,600 mAh
  • 5 W lower charging input power
    This portable speaker has lower charging input power than the average portable speaker (5 W vs 10 W).
    5 W vs 10 W
  • 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.
    Shows charging or power status only, not the remaining battery level.
  • Is not water resistant
    This portable speaker is not water resistant, while the average portable speaker is water resistant.
  • 3.6 cm taller
    This portable speaker is taller than the average portable speaker (16 cm vs 12.4 cm).
    16 cm vs 12.4 cm

Video reviews

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

Third-party reviews

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

What customers like about Energy Sistem FS1

  • Compact and lightweight design makes it highly portable
  • Excellent value for money given its low price point
  • Versatile connectivity options including Bluetooth 5.0, USB, MicroSD, and a 3.5mm AUX jack
  • Supports True Wireless Stereo (TWS) for pairing two units together
  • Aesthetically pleasing fabric-covered exterior with stable positioning
  • Quick and seamless Bluetooth pairing process with minimal latency

What customers don't like about Energy Sistem FS1

  • Overall sound output is quite low and lacks power
  • Audio feels flat with almost non-existent bass and minimal nuance
  • Lacks a physical battery level indicator to track remaining charge
  • No built-in FM radio despite some initial misleading retail descriptions
  • Does not feature any official water resistance rating

Verdict

The Energy Sistem FS1 is a cylindrical, fabric-covered portable 2.0 system speaker delivering 10W of power through two 40mm full-range drivers and two passive membranes. Key characteristics and advantages include its broad connectivity via Bluetooth 5.0 (up to 20-meter range), integrated USB and microSD MP3 players, a hands-free microphone, True Wireless Stereo (TWS) support to pair two units, and a rechargeable battery providing up to 12 hours of playback. On the downside, the speaker lacks official water resistance, exhibits a relatively limited frequency response of 100 Hz to 18 KHz that lacks deeper bass, and features a low signal-to-noise ratio of over 60 dB.

Compare Energy Sistem FS1 with other products in the Portable Speakers category

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