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Sony SRS-BTM8 Review | 130 Data compared

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  • Avg. price in UK: ~£90
  • Avg. price in US: ~$100
  • Audio output power: 4.00 W
  • Battery life: 20 hours
  • IP rating: ?
  • Bluetooth version: 3.0
  • Weight: 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.

6.3

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%

6.3

Technical Score

20.0%

?

User score

Good
6.3

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%

5.1

Audio

20.0%

8.3

Battery

18.0%

7.4

Durability

16.0%

5.6

Connectivity

8.0%

5.1

Controls

3.0%

8.3

Design

3.0%

3.9

Smart features

Good
?

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%

?

User reviews

30.0%

?

Popularity

  • 6.9
    Outdoor durability

    Score components:

    40.0%

    4.0

    Water resistance

    25.0%

    ?

    IP rating

    20.0%

    9.1

    Weight

    15.0%

    10

    Battery life

  • 5.0
    Powerful sound

    Score components:

    45.0%

    1.1

    Audio output power

    25.0%

    10

    Battery life

    15.0%

    9.1

    Weight

    15.0%

    4.0

    Party mode

  • 4.2
    Home listening

    Score components:

    35.0%

    4.0

    Multi-room support

    30.0%

    4.0

    Wi-Fi connectivity

    20.0%

    1.1

    Audio output power

    15.0%

    9.1

    Weight

  • No image
No image

Best prices in UK

    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.

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.

Technical Specifications of portable speaker Sony SRS-BTM8

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%

?

Audio

20.0%

?

Battery

18.0%

?

Durability

16.0%

?

Connectivity

8.0%

?

Controls

3.0%

?

Design

3.0%

?

Smart features

6.3
Sony SRS-BTM8 has a technical score of 6.31 points, which is lower than 78.9% 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%

0.0

User reviews

30.0%

1.0

Popularity

?
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.
1.0
Sony SRS-BTM8 has a popularity of 1 points, which is lower than 58.2% 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%

6.3

Overall score

40.0%

10

Price

7.4
Sony SRS-BTM8 has a quality-to-price ratio of 7.4 points, which is lower than 77.3% 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

4.00 W
Sony SRS-BTM8 has an audio output power of 4.00 W which is lower than that of 89% of portable speakers and equal to that of 2.6% of portable speakers.
Total RMS output: 4.00 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

50.00 mm
Sony SRS-BTM8 has a driver unit size of 50.00 mm which is larger than that of 43.8% of portable speakers and equal to that of 10.2% of portable speakers.
Primary driver diameter: 50.00 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

2
Sony SRS-BTM8 has 2 drivers, which is more than 24.5% of portable speakers and equal to the number in 45.5% of portable speakers.
Acoustic drivers: 2.
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

150.00 Hz
Sony SRS-BTM8 has a lowest frequency of 150.00 Hz which is higher than that of 93% of portable speakers and equal to that of 2.5% of portable speakers.
Lower frequency-response endpoint: 150.00 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
Sony SRS-BTM8 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

3.0
Sony SRS-BTM8 supports Bluetooth version 3.0 which is older than that of 85.4% of portable speakers and equal to that of 6.5% of portable speakers.
Bluetooth version: 3.0.
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
Sony SRS-BTM8 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; HFP; HSP
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

?
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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

20 hours
Sony SRS-BTM8 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
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
Sony SRS-BTM8 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.
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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
Sony SRS-BTM8 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

?
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
Sony SRS-BTM8 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

?
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
Sony SRS-BTM8 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

?
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
Sony SRS-BTM8 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

yes
Sony SRS-BTM8 supports fast pairing. 77.6% of portable speakers offer this feature.
Supports documented one-tap or quick device pairing.
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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

1,060 g
Sony SRS-BTM8 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
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

18.5 cm
Sony SRS-BTM8 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
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

24.5 cm
Sony SRS-BTM8 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
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

8.8 cm
Sony SRS-BTM8 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
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

handle
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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

Sonos
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
Sony SRS-BTM8 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

?
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
Sony SRS-BTM8 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
Sony SRS-BTM8 does not support Spotify Connect. 10.8% of portable speakers offer this feature.
Does not support native Spotify Connect.
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Sony SRS-BTM8 vs the average portable speaker

  • 8 hours longer battery life
    Sony SRS-BTM8 has a longer battery life than the average portable speaker (20 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

    Sony SRS-BTM8 has a longer battery life than the average portable speaker (20 hours vs 12 hours).20 hours vs 12 hours
  • 1 more multipoint connections
    Sony SRS-BTM8 has more multipoint connections than the average portable speaker (2 vs 1).
    Simultaneous Bluetooth devices: 2.
    What it is: The number of source devices that can stay connected at the same time.
    When it matters: When switching between several connected source devices matters.

    Importance: MEDIUM

    Good value: >= 2

    Sony SRS-BTM8 has more multipoint connections than the average portable speaker (2 vs 1).2 vs 1
  • Has built-in stereo speakers
    Sony SRS-BTM8 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

    Sony SRS-BTM8 has built-in stereo speakers, while the average portable speaker does not have built-in stereo speakers.
  • Claims MIL-STD-810 compliance
    Sony SRS-BTM8 claims MIL-STD-810 compliance, while the average portable speaker does not claim MIL-STD-810 compliance.
    What it is: Shows whether testing against MIL-STD-810 durability procedures is claimed.
    When it matters: When independently defined durability test procedures matter.

    Importance: LOW

    Good value: yes

    Sony SRS-BTM8 claims MIL-STD-810 compliance, while the average portable speaker does not claim MIL-STD-810 compliance.
  • Supports fast pairing
    Sony SRS-BTM8 supports fast pairing, while the average portable speaker does not support fast pairing.
    Supports documented one-tap or quick device 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

    Sony SRS-BTM8 supports fast pairing, while the average portable speaker does not support fast pairing.
  • Supports NFC Bluetooth pairing
    Sony SRS-BTM8 supports NFC Bluetooth pairing, while the average portable speaker does not support NFC Bluetooth pairing.
    What it is: Shows whether NFC can be used to start Bluetooth pairing quickly.
    When it matters: When you want faster tap-to-pair setup with compatible devices.

    Importance: LOW

    Good value: yes

    Sony SRS-BTM8 supports NFC Bluetooth pairing, while the average portable speaker does not support NFC Bluetooth pairing.
  • Has a removable battery
    Sony SRS-BTM8 has a removable battery, while the average portable speaker does not have a removable battery.
    What it is: Shows whether the battery can be removed from the speaker by the user.
    When it matters: When replacing a worn battery or carrying a spare matters.

    Importance: LOW

    Good value: yes

    Sony SRS-BTM8 has a removable battery, while the average portable speaker does not have a removable battery.
  • Includes a power adapter
    Sony SRS-BTM8 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

    Sony SRS-BTM8 includes a power adapter, while the average portable speaker does not include a power adapter.
  • Has built-in stereo speakers
    Sony SRS-BTM8 has built-in stereo speakers, while the average portable speaker does not have built-in stereo speakers.
  • 1 more multipoint connections
    Sony SRS-BTM8 has more multipoint connections than the average portable speaker (2 vs 1).
  • Supports NFC Bluetooth pairing
    Sony SRS-BTM8 supports NFC Bluetooth pairing, while the average portable speaker does not support NFC Bluetooth pairing.
  • 8 hours longer battery life
    Sony SRS-BTM8 has a longer battery life than the average portable speaker (20 hours vs 12 hours).
  • Has a removable battery
    Sony SRS-BTM8 has a removable battery, while the average portable speaker does not have a removable battery.
  • Includes a power adapter
    Sony SRS-BTM8 includes a power adapter, while the average portable speaker does not include a power adapter.
  • Claims MIL-STD-810 compliance
    Sony SRS-BTM8 claims MIL-STD-810 compliance, while the average portable speaker does not claim MIL-STD-810 compliance.
  • 5 °C higher maximum operating temperature
    Sony SRS-BTM8 has a higher maximum operating temperature than the average portable speaker (45 °C vs 40 °C).
  • Supports fast pairing
    Sony SRS-BTM8 supports fast pairing, while the average portable speaker does not support fast pairing.
  • Supports playback mute
    Sony SRS-BTM8 supports playback mute, while the average portable speaker does not support playback mute.
  • Includes a travel bag
    Sony SRS-BTM8 includes a travel bag, while the average portable speaker does not include a travel bag.

Total
Audio
Connectivity
Battery
Durability
Controls
Design
  • 90 Hz less deep bass extension
    Sony SRS-BTM8 has less deep bass extension than the average portable speaker (150 Hz vs 60.00 Hz).
    Lower frequency-response endpoint: 150.00 Hz.
  • 9 % higher total harmonic distortion
    Sony SRS-BTM8 has higher total harmonic distortion than the average portable speaker (10% vs 1%).
    THD: 10%.
  • 16 W less audio output power
    Sony SRS-BTM8 has less audio output power than the average portable speaker (4 W vs 20.00 W).
    Total RMS output: 4.00 W.
  • 115 ms higher audio latency
    Sony SRS-BTM8 has higher audio latency than the average portable speaker (200 ms vs 85 ms).
    Audio latency: 200 ms.
  • Does not include a passive radiator
    Sony SRS-BTM8 does not include a passive radiator, while the average portable speaker includes a passive radiator.
  • 3,800 Hz lower microphone frequency limit
    Sony SRS-BTM8 has a lower microphone frequency limit than the average portable speaker (3,600 Hz vs 7,400 Hz).
  • 100 Hz shallower microphone bass response
    Sony SRS-BTM8 has shallower microphone bass response than the average portable speaker (200 Hz vs 100 Hz).
  • 2 Bluetooth levels older
    Sony SRS-BTM8 has an older Bluetooth version than the average portable speaker (3 vs 5.0).
    Bluetooth version: 3.0.
  • 1 fewer USB ports
    Sony SRS-BTM8 has fewer USB ports than the average portable speaker (0 vs 1).
    Physical USB ports: 0.
  • Does not have a built-in rechargeable battery
    Sony SRS-BTM8 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
    Sony SRS-BTM8 is not water resistant, while the average portable speaker is water resistant.
  • Does not support stereo pairing
    Sony SRS-BTM8 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
    Sony SRS-BTM8 does not support True Wireless Stereo, while the average portable speaker supports True Wireless Stereo.
    Does not support True Wireless Stereo speaker linking.
  • 6.1 cm taller
    Sony SRS-BTM8 is taller than the average portable speaker (18.5 cm vs 12.4 cm).
  • 6.4 cm wider
    Sony SRS-BTM8 is wider than the average portable speaker (24.5 cm vs 18.1 cm).
  • 260 g heavier
    Sony SRS-BTM8 is heavier than the average portable speaker (1,060 g vs 800 g).
  • 7 older
    Sony SRS-BTM8 was released earlier than the average portable speaker (2012 vs 2019).
    Release year: 2012.
  • Is not water resistant
    Sony SRS-BTM8 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

    Sony SRS-BTM8 is not water resistant, while the average portable speaker is water resistant.
  • 90 Hz less deep bass extension
    Sony SRS-BTM8 has less deep bass extension than the average portable speaker (150 Hz vs 60.00 Hz).
    Lower frequency-response endpoint: 150.00 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

    Sony SRS-BTM8 has less deep bass extension than the average portable speaker (150 Hz vs 60.00 Hz).150.00 Hz vs 60.00 Hz
  • 9 % higher total harmonic distortion
    Sony SRS-BTM8 has higher total harmonic distortion than the average portable speaker (10% vs 1%).
    THD: 10%.
    What it is: The amount of unwanted harmonic distortion added to the audio output.
    When it matters: When cleaner sound with less added distortion matters.

    Importance: MEDIUM

    Good value: <= 1%

    Sony SRS-BTM8 has higher total harmonic distortion than the average portable speaker (10% vs 1%).10 % vs 1 %
  • 16 W less audio output power
    Sony SRS-BTM8 has less audio output power than the average portable speaker (4 W vs 20.00 W).
    Total RMS output: 4.00 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

    Sony SRS-BTM8 has less audio output power than the average portable speaker (4 W vs 20.00 W).4.00 W vs 20.00 W
  • Does not have a built-in rechargeable battery
    Sony SRS-BTM8 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.
    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

    Sony SRS-BTM8 does not have a built-in rechargeable battery, while the average portable speaker has a built-in rechargeable battery.
  • 2 Bluetooth levels older
    Sony SRS-BTM8 has an older Bluetooth version than the average portable speaker (3 vs 5.0).
    Bluetooth version: 3.0.
    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

    Sony SRS-BTM8 has an older Bluetooth version than the average portable speaker (3 vs 5.0).3.0 vs 5.0
  • 115 ms higher audio latency
    Sony SRS-BTM8 has higher audio latency than the average portable speaker (200 ms vs 85 ms).
    Audio latency: 200 ms.
    What it is: The delay between the source signal and the sound you hear.
    When it matters: When lip sync, gaming, or real-time monitoring matters.

    Importance: LOW

    Good value: <= 100 ms

    Sony SRS-BTM8 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
    Sony SRS-BTM8 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

    Sony SRS-BTM8 does not include a passive radiator, while the average portable speaker includes a passive radiator.
Total
Overall
Audio
Connectivity
Battery
Durability
Controls
Design
Smart features

Graphic comparison of Sony SRS-BTM8 and other products in the Portable Speakers category

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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 dislike 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.

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