OVERALL
ALTERNATIVES
SPECS
VS AVERAGE
REVIEWS
Scored using Portable Speakers Methodology v1.0
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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

Portronics Dynamo Review | 130 Data compared

Avg. price:~£25Audio output power:8.00 WBattery life:12 hoursIP rating:IPX7Bluetooth version:?Weight:266 g

Portronics Dynamo 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.

Portronics Dynamo
6.2/10

Overall score

Score
6.2/ 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
▼
<55-66-77-88-99-10
▼ Worse than 81% of models
Score components

80%

5.6

Technical score

20%

8.5

User score

▼Worse than 81% of portable speakers
7.3

Value for money

Value for money
7.3/ 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
▼
<55-66-77-88-99-10
▼ Worse than 79% of models
Score components

70%

6.2

Overall score

30%

10

Price

▼Worse than 79%
5.6

Technical score

Technical score
5.6/ 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
▼
<55-66-77-88-99-10
▼ Worse than 94% of models
Score components

32%

5.1

Audio

20%

5.5

Battery

18%

6.6

Durability

16%

5.5

Connectivity

8%

4.9

Controls

3%

9.5

Design

3%

4.1

Smart features

▼Worse than 94%
8.5

User score

User score
8.5/ 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
▲ Better than 78% of models
Score components

70%

8.4

User ratings

30%

8.8

Number of reviews

Based on ratings from across the web.
▲Better than 78%
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Where to buy
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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 Portronics Dynamo

Technical score
Technical score
5.6/ 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
▼
<55-66-77-88-99-10
▼ Worse than 94% of models
Score components:

32%

5.1

Audio

20%

5.5

Battery

18%

6.6

Durability

16%

5.5

Connectivity

8%

4.9

Controls

3%

9.5

Design

3%

4.1

Smart features

5.6
User score
User score
8.5/ 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
▲ Better than 78% of models
Score components

70%

8.4

User ratings

30%

8.8

Number of reviews

Based on ratings from across the web.
8.5
Popularity
Popularity
8.8/ 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
▼
<55-66-77-88-99-10
▲ Better than 85% of models
Popularity:
Portronics Dynamo has a popularity score of 8.8 points, which is higher than 84.9% of products in this category.
8.8
Value for money
Value for money
7.3/ 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
▼
<55-66-77-88-99-10
▼ Worse than 79% of models
Score components:

70%

6.2

Overall score

30%

10

Price

7.3
Audio output power
8 W
Market range: <4 W – >100 W
This portable speaker has an audio output power of 8 W which is lower than that of 73.8% of portable speakers and equal to that of 2.4% of portable speakers.
Driver unit size
53 mm
Market range: <38 mm – >101 mm
This portable speaker has a driver unit size of 53 mm which is larger than that of 60.2% of portable speakers and equal to that of 1.7% of portable speakers.
Number of drivers
1
Market range: <0 – >5
This portable speaker has 1 drivers, which is fewer than 75.6% of portable speakers and equal to the number in 24.4% of portable speakers.
Frequency response tolerance
?
Lowest frequency
150 Hz
Market range: <20 Hz – >120 Hz
This portable speaker has a lowest frequency of 150 Hz which is higher than that of 93% of portable speakers and equal to that of 2.5% of portable speakers.
Show more
Bluetooth connectivity
yes
This portable speaker supports Bluetooth audio. 5.4% of portable speakers offer this feature.
Bluetooth version
?
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; 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
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
2000 mAh
Market range: <900 mAh – >6.6k mAh
This portable speaker has a battery capacity of 2000 mAh which is smaller than that of 64.9% of portable speakers and equal to that of 7.3% of portable speakers.
Charging time
4 hours
Market range: <2 hours – >5 hours
This portable speaker has a charging time of 4 hours which is longer than that of 67% of portable speakers and equal to that of 19.3% 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.
Show more
IP rating
IPX7
This portable speaker has an IP rating of IPX7 which provides better ingress protection than 47.6% of portable speakers and the same ingress protection as 25.2% of portable speakers.
Water resistance
yes
This portable speaker is water resistant. 38.3% of portable speakers offer this feature.
Dust resistance
yes
This portable speaker is dust resistant. 48.6% of portable speakers offer this feature.
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
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
266 g
Market range: <200 g – >5.6k g
This portable speaker weighs 266 g which is lighter than that of 83.6% of portable speakers.
Height
7.1 cm
Market range: <5.79 cm – >29 cm
This portable speaker has a height of 7.1 cm which is shorter than that of 79.8% of portable speakers and equal to that of 0.2% of portable speakers.
Width
9.5 cm
Market range: <7.6 cm – >37 cm
This portable speaker has a width of 9.5 cm which is narrower than that of 77% of portable speakers and equal to that of 0.5% of portable speakers.
Depth
3.8 cm
Market range: <4.3 cm – >19.97 cm
This portable speaker has a depth of 3.8 cm which is shallower than that of 94% of portable speakers and equal to that of 0.4% of portable speakers.
Carry options
strap/handle
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

Portronics Dynamo vs the average portable speaker

246810TotalAudioConnectivityBatteryDurabilityControlsDesignSmart features
  • Claims MIL-STD-810 compliance
    This portable speaker claims MIL-STD-810 compliance, while the average portable speaker does not claim MIL-STD-810 compliance.
  • Has a power bank function
    This portable speaker has a power bank function, while the average portable speaker does not have a power bank function.
  • Better ingress protection
    This portable speaker has better ingress protection than the average portable speaker (IPX7 vs IPX5).
    IPX7 vs IPX5
  • 534 g lighter
    This portable speaker is lighter than the average portable speaker (266 g vs 800 g).
    266 g vs 800 g
  • Has an FM radio
    This portable speaker has an FM radio, while the average portable speaker does not have an FM radio.
  • 4.5 cm shallower
    This portable speaker is shallower than the average portable speaker (3.8 cm vs 8.3 cm).
    3.8 cm vs 8.3 cm
  • 3 mm larger main driver
    This portable speaker has a larger main driver than the average portable speaker (53 mm vs 50 mm).
    53 mm vs 50 mm
  • 5.3 cm shorter
    This portable speaker is shorter than the average portable speaker (7.1 cm vs 12.4 cm).
    7.1 cm vs 12.4 cm
  • 3.6x cheaper
    Portronics Dynamo is cheaper than the average portable speaker (£25 vs £90).
    £25 vs £90
  • 6.6% higher user score
    User score
    8.5/ 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
    Portronics Dynamo
    the average portable speaker
    Portronics Dynamo has a higher user score than the average portable speaker (8.53 vs 8).
    8.53 vs 8
  • 2.1x more popular
    Portronics Dynamo is more popular than the average portable speaker (8.83 vs 4.21).
    8.83 vs 4.21
  • 3 mm larger main driver
    This portable speaker has a larger main driver than the average portable speaker (53 mm vs 50 mm).
    53 mm vs 50 mm
  • Has a power bank function
    This portable speaker has a power bank function, while the average portable speaker does not have a power bank function.
  • Claims MIL-STD-810 compliance
    This portable speaker claims MIL-STD-810 compliance, while the average portable speaker does not claim MIL-STD-810 compliance.
  • Better ingress protection
    This portable speaker has better ingress protection than the average portable speaker (IPX7 vs IPX5).
    IPX7 vs IPX5
  • Has an FM radio
    This portable speaker has an FM radio, while the average portable speaker does not have an FM radio.
  • 534 g lighter
    This portable speaker is lighter than the average portable speaker (266 g vs 800 g).
    266 g vs 800 g
  • 4.5 cm shallower
    This portable speaker is shallower than the average portable speaker (3.8 cm vs 8.3 cm).
    3.8 cm vs 8.3 cm
  • 5.3 cm shorter
    This portable speaker is shorter than the average portable speaker (7.1 cm vs 12.4 cm).
    7.1 cm vs 12.4 cm
  • 8.6 cm narrower
    This portable speaker is narrower than the average portable speaker (9.5 cm vs 18.1 cm).
    9.5 cm vs 18.1 cm
  • 90 Hz less deep bass extension
    This portable speaker has less deep bass extension than the average portable speaker (150 Hz vs 60 Hz).
    150 Hz vs 60 Hz
  • 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.
  • 1 hours longer charging time
    This portable speaker has a longer charging time than the average portable speaker (4 hours vs 3 hours).
    4 hours vs 3 hours
  • 12 W less audio output power
    This portable speaker has less audio output power than the average portable speaker (8 W vs 20 W).
    8 W vs 20 W
  • Does not have a 3.5 mm AUX input
    This portable speaker does not have a 3.5 mm AUX input, while the average portable speaker has a 3.5 mm AUX input.
    No built-in 3.5 mm AUX input.
  • 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 dB lower signal-to-noise ratio
    This portable speaker has a lower signal-to-noise ratio than the average portable speaker (70 dB vs 80 dB).
    70 dB vs 80 dB
  • 1 fewer speaker drivers
    This portable speaker has fewer speaker drivers than the average portable speaker (1 vs 2).
    1 vs 2
  • 2.8% worse value for money
    Portronics Dynamo offers worse value for money than the average portable speaker (7.34 vs 7.5).
    7.34 vs 7.55
  • 90 Hz less deep bass extension
    This portable speaker has less deep bass extension than the average portable speaker (150 Hz vs 60 Hz).
    150 Hz vs 60 Hz
  • 12 W less audio output power
    This portable speaker has less audio output power than the average portable speaker (8 W vs 20 W).
    8 W vs 20 W
  • 10 dB lower signal-to-noise ratio
    This portable speaker has a lower signal-to-noise ratio than the average portable speaker (70 dB vs 80 dB).
    70 dB vs 80 dB
  • 1 fewer speaker drivers
    This portable speaker has fewer speaker drivers than the average portable speaker (1 vs 2).
    1 vs 2
  • Does not have a 3.5 mm AUX input
    This portable speaker does not have a 3.5 mm AUX input, while the average portable speaker has a 3.5 mm AUX input.
    No built-in 3.5 mm AUX input.
  • 1 hours longer charging time
    This portable speaker has a longer charging time than the average portable speaker (4 hours vs 3 hours).
    4 hours vs 3 hours
  • 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
  • 600 mAh less battery capacity
    This portable speaker has a smaller battery capacity than the average portable speaker (2000 mAh vs 2,600 mAh).
    2,000 mAh vs 2,600 mAh
  • 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.

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 Portronics Dynamo

  • Good sound clarity and decent bass performance for the price range.
  • Highly portable, compact, and lightweight 'pocket dynamite' design.
  • Excellent battery life, providing up to 10–12 hours of playback.
  • Features a built-in FM radio with an effective internal antenna.
  • Supports True Wireless Stereo (TWS) pairing to connect two speakers.
  • Equipped with a USB pendrive port for direct music playback.

What customers don't like about Portronics Dynamo

  • Audio tends to distort or become noisy at maximum volume.
  • Lacks a standard 3.5mm Aux input jack.
  • Does not include a Micro SD memory card slot.
  • Control buttons can be hard or stiff to press.
  • Lacks official water resistance ratings (not waterproof).
  • Isolated complaints regarding long-term durability and loose USB ports.

Verdict

The Portronics Dynamo is an ultra-portable Bluetooth speaker weighing 266 grams and measuring 7.1 x 9.5 x 3.8 cm, featuring an 8W audio output (with variants showing 5W) alongside a built-in bass radiator and metallic front grille. Its main advantages include versatile playback options such as Bluetooth connectivity, an integrated FM radio, a full-size USB port for pen drives, True Wireless Stereo pairing to link two units, and an internal 2000mAh battery that delivers up to 10 to 12 hours of playtime. However, its primary disadvantages include the lack of an auxiliary (AUX) input port, an outdated micro-USB charging port instead of a modern USB-C connection, and mixed real-world performance regarding FM radio reception clarity and maximum volume loudness.

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