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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.
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Sony SRS-BTM8 Review | 130 Data compared

Avg. price:~£90Audio output power:4.00 WBattery life:20 hoursIP rating:?Bluetooth version:3.0Weight:1060 g

Sony SRS-BTM8 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.

6.0/10

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%

6.0

Technical score

20%

?

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%
6.0

Technical score

Technical score
6.0/ 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–¼ Worse than 81% of models
Score components

32%

4.9

Audio

20%

7.9

Battery

18%

6.9

Durability

16%

5.6

Connectivity

8%

5.0

Controls

3%

8.3

Design

3%

3.9

Smart features

â–¼Worse than 81%
?

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 71% of models
Score components

70%

?

User ratings

30%

?

Number of reviews

  • No image
No image
Where to buy
    N/A~ £90
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 Sony SRS-BTM8

Technical score
Technical score
6.0/ 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–¼ Worse than 81% of models
Score components:

32%

4.9

Audio

20%

7.9

Battery

18%

6.9

Durability

16%

5.6

Connectivity

8%

5.0

Controls

3%

8.3

Design

3%

3.9

Smart features

6.0
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 71% of models
Score components

70%

?

User ratings

30%

?

Number of reviews

?
Popularity
Popularity
1.0/ 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–¼ Worse than 99% of models
Popularity:
Sony SRS-BTM8 has a popularity score of 1 point, which is lower than 59.2% of products in this category.
1.0
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
4 W
Market range: <4 W – >100 W
This portable speaker has an audio output power of 4 W which is lower than that of 89% of portable speakers and equal to that of 2.6% of portable speakers.
Driver unit size
50 mm
Market range: <38 mm – >101 mm
This portable speaker has a driver unit size of 50 mm which is larger than that of 43.8% of portable speakers and equal to that of 10.2% 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
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
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; AVRCP; HFP; HSP
Bluetooth LE Audio
?
Show more
Battery life
20 hours
Market range: <6 hours – >24 hours
This portable speaker has a battery life of 20 hours which is longer than that of 80.2% of portable speakers and equal to that of 7.3% 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.
Uses replaceable disposable batteries rather than a built-in rechargeable 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
?
Touchscreen
no
This portable speaker does not have a touchscreen. 0.3% of portable speakers offer this feature.
Smartphone app control
?
Remote control
no
This portable speaker does not include a remote control. 15% of portable speakers offer this feature.
Fast pairing
yes
This portable speaker supports fast pairing. 77.6% of portable speakers offer this feature.
Show more
Weight
1,060 g
Market range: <200 g – >5.6k g
This portable speaker weighs 1,060 g which is heavier than that of 57.7% of portable speakers and equal to that of 0.3% of portable speakers.
Height
18.5 cm
Market range: <5.79 cm – >29 cm
This portable speaker has a height of 18.5 cm which is taller than that of 71.1% of portable speakers and equal to that of 0.8% of portable speakers.
Width
24.5 cm
Market range: <7.6 cm – >37 cm
This portable speaker has a width of 24.5 cm which is wider than that of 68.5% of portable speakers and equal to that of 0.3% of portable speakers.
Depth
8.8 cm
Market range: <4.3 cm – >19.97 cm
This portable speaker has a depth of 8.8 cm which is deeper than that of 53.1% of portable speakers and equal to that of 0.6% of portable speakers.
Carry options
handle
Show more
Companion app name
Sonos
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

Sony SRS-BTM8 vs the average portable speaker

246810TotalAudioConnectivityBatteryDurabilityControlsDesignSmart features
  • 8 hours longer battery life
    This portable speaker has a longer battery life than the average portable speaker (20 hours vs 12 hours).
    20 hours vs 12 hours
  • 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.
  • 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.
  • Supports fast pairing
    This portable speaker supports fast pairing, while the average portable speaker does not support fast pairing.
  • Supports NFC Bluetooth pairing
    This portable speaker supports NFC Bluetooth pairing, while the average portable speaker does not support NFC Bluetooth pairing.
  • Has a removable battery
    This portable speaker has a removable battery, while the average portable speaker does not have a removable battery.
  • Includes a power adapter
    This portable speaker includes a power adapter, while the average portable speaker does not include a power adapter.
  • 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.
  • 1 more multipoint connections
    This portable speaker has more multipoint connections than the average portable speaker (2 vs 1).
    2 vs 1
  • Supports NFC Bluetooth pairing
    This portable speaker supports NFC Bluetooth pairing, while the average portable speaker does not support NFC Bluetooth pairing.
  • 8 hours longer battery life
    This portable speaker has a longer battery life than the average portable speaker (20 hours vs 12 hours).
    20 hours vs 12 hours
  • Has a removable battery
    This portable speaker has a removable battery, while the average portable speaker does not have a removable battery.
  • Includes a power adapter
    This portable speaker includes a power adapter, while the average portable speaker does not include a power adapter.
  • 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.
  • 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 fast pairing
    This portable speaker supports fast pairing, while the average portable speaker does not support fast pairing.
  • 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.
  • Includes a travel bag
    This portable speaker includes a travel bag, while the average portable speaker does not include a travel bag.
  • Is not water resistant
    This portable speaker is not water resistant, while the average portable speaker is water resistant.
  • 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
  • 9 % higher total harmonic distortion
    This portable speaker has higher total harmonic distortion than the average portable speaker (10 % vs 1 %).
    10 % vs 1 %
  • 16 W less audio output power
    This portable speaker has less audio output power than the average portable speaker (4 W vs 20 W).
    4 W vs 20 W
  • 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.
    Uses replaceable disposable batteries rather than a built-in rechargeable battery.
  • 2 Bluetooth levels older
    This portable speaker has an older Bluetooth version than the average portable speaker (3 vs 5).
    3 vs 5
  • 115 ms higher audio latency
    This portable speaker has higher audio latency than the average portable speaker (200 ms vs 85 ms).
    200 ms vs 85 ms
  • Does not include a passive radiator
    This portable speaker does not include a passive radiator, while the average portable speaker includes a passive radiator.
  • 4.21x less popular
    Sony SRS-BTM8 is less popular than the average portable speaker (1 vs 4.21).
    1 vs 4.21
  • 4.6% worse value for money
    Sony SRS-BTM8 offers worse value for money than the average portable speaker (7.21 vs 7.5).
    7.21 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
  • 9 % higher total harmonic distortion
    This portable speaker has higher total harmonic distortion than the average portable speaker (10 % vs 1 %).
    10 % vs 1 %
  • 16 W less audio output power
    This portable speaker has less audio output power than the average portable speaker (4 W vs 20 W).
    4 W vs 20 W
  • 115 ms higher audio latency
    This portable speaker has higher audio latency than the average portable speaker (200 ms vs 85 ms).
    200 ms vs 85 ms
  • Does not include a passive radiator
    This portable speaker does not include a passive radiator, while the average portable speaker includes a passive radiator.
  • 3,800 Hz lower microphone frequency limit
    This portable speaker has a lower microphone frequency limit than the average portable speaker (3,600 Hz vs 7,400 Hz).
    3,600 Hz vs 7,400 Hz
  • 100 Hz shallower microphone bass response
    This portable speaker has shallower microphone bass response than the average portable speaker (200 Hz vs 100 Hz).
    200 Hz vs 100 Hz
  • 2 Bluetooth levels older
    This portable speaker has an older Bluetooth version than the average portable speaker (3 vs 5).
    3 vs 5
  • 1 fewer USB ports
    This portable speaker has fewer USB ports 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.
    Uses replaceable disposable batteries rather than a built-in rechargeable battery.
  • Is not water resistant
    This portable speaker is not water resistant, while the average portable speaker is water resistant.
  • Does not support stereo pairing
    This portable speaker does not support stereo pairing, while the average portable speaker supports stereo pairing.
  • Does not support True Wireless Stereo
    This portable speaker does not support True Wireless Stereo, while the average portable speaker supports True Wireless Stereo.
  • 6.1 cm taller
    This portable speaker is taller than the average portable speaker (18.5 cm vs 12.4 cm).
    18.5 cm vs 12.4 cm
  • 6.4 cm wider
    This portable speaker is wider than the average portable speaker (24.5 cm vs 18.1 cm).
    24.5 cm vs 18.1 cm
  • 260 g heavier
    This portable speaker is heavier than the average portable speaker (1,060 g vs 800 g).
    1,060 g vs 800 g
  • 7 older
    This portable speaker was released earlier than the average portable speaker (2012 vs 2019).
    2012 vs 2019

Third-party reviews

What customers like about Sony SRS-BTM8

  • Convenient built-in handle makes it highly portable and easy to carry around.
  • Quick and seamless pairing via Near Field Communication (NFC) one-touch technology.
  • Clear, natural sound quality with satisfying bass response for its small size.
  • Dual power versatility allows running on either the included AC adapter or 4 AA batteries.
  • Integrated microphone provides clear audio and hands-free functionality for speakerphone calls.
  • Affordable price point compared to premium competitive wireless boomboxes.

What customers don't like about Sony SRS-BTM8

  • Lacks an integrated rechargeable internal battery, requiring standard disposable AA batteries for portable use.
  • Real-world battery life on Bluetooth streaming is significantly lower than the maximum 20-hour manufacturer claim.
  • The 4W total audio output power is relatively low compared to more modern portable speakers.
  • The glossy finish and touch-control panel area are highly susceptible to picking up scratches.
  • Relatively bulky and heavy structure compared to sleeker pocket-sized Bluetooth models.
  • Slight noticeable thinness in the treble spectrum at maximum volume levels.

Verdict

The Sony SRS-BTM8 is a highly portable 2-channel stereo speaker system featuring a built-in integrated carry handle and a 2-box bass reflex system powered by dual 50mm drivers, delivering a total power output of 4W (2W + 2W). It offers versatile wireless connectivity through Bluetooth 3.0 (supporting A2DP, AVRCP, HFP, and HSP profiles) alongside Near Field Communication (NFC) for quick, one-touch pairing, and a 3.5mm auxiliary audio input for wired devices. Notable advantages include a built-in microphone for hands-free speakerphone calling and dual power options—allowing it to run via an included AC adapter or on four AA batteries for up to 20 hours of continuous music playback. However, key drawbacks include its low overall audio output which lacks high-volume power, its lack of a modern integrated rechargeable lithium-ion battery, a relatively bulky footprint (245 x 185 x 88 mm) for its output level, and a lack of water resistance.

Compare Sony SRS-BTM8 with other products in the Portable Speakers category

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