OVERALL
SPECS
VS AVERAGE
REVIEWS
ALTERNATIVES

Sony Ult Field 7 Review | 130 Data compared

double-arrow
  • Avg. price: ~£240
  • Audio output power: ?
  • Battery life: 30 hours
  • IP rating: IP67
  • Bluetooth version: 5.2
  • Weight: 6300 g

Sony Ult Field 7 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.

8.4

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%

8.1

Technical Score

20.0%

9.4

User score

Excellent
8.1

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%

8.2

Audio

20.0%

8.4

Battery

18.0%

9.1

Durability

16.0%

7.1

Connectivity

8.0%

8.8

Controls

3.0%

3.8

Design

3.0%

8.3

Smart features

Excellent
9.4

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%

9.2

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.6
(420)

(Reviews last updated: August 2026)

Exceptional
  • 8.6
    Outdoor durability

    Score components:

    40.0%

    10

    Water resistance

    25.0%

    9.7

    IP rating

    20.0%

    3.2

    Weight

    15.0%

    10

    Battery life

  • 8.1
    Powerful sound

    Score components:

    45.0%

    ?

    Audio output power

    25.0%

    10

    Battery life

    15.0%

    3.2

    Weight

    15.0%

    10

    Party mode

  • 6.1
    Home listening

    Score components:

    35.0%

    ?

    Multi-room support

    30.0%

    4.0

    Wi-Fi connectivity

    20.0%

    ?

    Audio output power

    15.0%

    3.2

    Weight

  • sony-ult-field-7
  • sony-ult-field-7
  • sony-ult-field-7
  • sony-ult-field-7
  • sony-ult-field-7
  • sony-ult-field-7
  • sony-ult-field-7
  • sony-ult-field-7
  • sony-ult-field-7
  • sony-ult-field-7
  • sony-ult-field-7
  • sony-ult-field-7
  • sony-ult-field-7
  • sony-ult-field-7
  • sony-ult-field-7
sony-ult-field-7
sony-ult-field-7
sony-ult-field-7
sony-ult-field-7
sony-ult-field-7
sony-ult-field-7
sony-ult-field-7
sony-ult-field-7
sony-ult-field-7
sony-ult-field-7
sony-ult-field-7
sony-ult-field-7
sony-ult-field-7
sony-ult-field-7
sony-ult-field-7

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 Sony ULT Field 7 is a heavy-duty portable Bluetooth 5.2 party speaker featuring a quad-driver array with two 114mm woofers, two 46mm tweeters, and dual customizable RGB passive radiators. Built for rugged outdoor environments, it boasts an IP67 water, dust, and rustproof rating alongside a 6.3kg frame equipped with integrated carrying handles. Its key pros include an exceptional 30-hour battery life with fast-charging capabilities, flexible inputs consisting of a 3.5mm AUX, USB-A, and a dedicated 1/4-inch microphone/guitar jack with built-in karaoke echo controls, and dual-level switchable ULT bass enhancement modes that produce powerful, room-filling sound pressure. However, notable cons include its bulky design which lacks a shoulder strap, a tendency for the audio to experience compression and become overly bright or harsh at maximum volumes, and a significant drop in battery life when utilizing the heavy bass modes and synchronized lighting effects.

Technical Specifications of portable speaker Sony Ult Field 7

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%

8.2

Audio

20.0%

8.4

Battery

18.0%

9.1

Durability

16.0%

7.1

Connectivity

8.0%

8.8

Controls

3.0%

3.8

Design

3.0%

8.3

Smart features

8.1
Sony Ult Field 7 has a technical score of 8.14 points, which is higher than 98.6% 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%

9.2

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.6
(420)

(Reviews last updated: August 2026)

9.4
Sony Ult Field 7 has a user score of 9.44 points, which is higher than 90.4% 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.
10
Sony Ult Field 7 has a popularity of 10 points, which is higher than 66.6% 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%

8.4

Overall score

40.0%

9.3

Price

8.7
Sony Ult Field 7 has a quality-to-price ratio of 8.7 points, which is higher than 98.3% 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

?
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

4
Sony Ult Field 7 has 4 drivers, which is more than 81.7% of portable speakers and equal to the number in 11.9% of portable speakers.
Acoustic drivers: 4.
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

20.00 Hz
Sony Ult Field 7 has a lowest frequency of 20.00 Hz which is lower than that of 84.8% of portable speakers and equal to that of 14% of portable speakers.
Lower frequency-response endpoint: 20.00 Hz.
Show more
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 Ult Field 7 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

5.2
Sony Ult Field 7 supports Bluetooth version 5.2 which is newer than that of 75.8% of portable speakers and equal to that of 2.9% of portable speakers.
Bluetooth version: 5.2.
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

30.00 m
Sony Ult Field 7 has a maximum Bluetooth range of 30.00 m which is longer than that of 85.5% of portable speakers and equal to that of 10% of portable speakers.
Maximum Bluetooth range: 30.00 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
Sony Ult Field 7 does not support Bluetooth LE Audio. 2.5% of portable speakers offer this feature.
Show more
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

30 hours
Sony Ult Field 7 has a battery life of 30 hours which is longer than that of 96.8% of portable speakers and equal to that of 1.8% 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

5,200 mAh
Sony Ult Field 7 has a battery capacity of 5,200 mAh which is larger than that of 82.3% of portable speakers and equal to that of 4.9% of portable speakers.
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

5 hours
Sony Ult Field 7 has a charging time of 5 hours which is longer than that of 87% of portable speakers and equal to that of 7.7% of portable speakers.
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

45 W
Sony Ult Field 7 has a maximum charging input power of 45 W which is higher than that of 94.9% of portable speakers and equal to that of 1.8% of portable speakers.
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

yes
Sony Ult Field 7 has a built-in rechargeable battery. 18.7% of portable speakers offer this feature.
Show more
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+

IP67
Sony Ult Field 7 has an IP rating of IP67 which provides better ingress protection than 80% of portable speakers and the same ingress protection as 19.1% of portable speakers.
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

yes
Sony Ult Field 7 is water resistant. 38.3% 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

yes
Sony Ult Field 7 is dust resistant. 48.6% 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

1 m
Sony Ult Field 7 has a waterproof depth rating of 1 m which is deeper than that of 52.6% of portable speakers and equal to that of 47.4% of portable speakers.
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

?
Show more
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 Ult Field 7 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

yes
Sony Ult Field 7 supports smartphone app control. 46.1% of portable speakers offer this feature.
Compatible mobile app provides speaker control or settings.
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 Ult Field 7 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 Ult Field 7 supports fast pairing. 77.6% of portable speakers offer this feature.
Supports documented one-tap or quick device pairing.
Show more
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

6,300 g
Sony Ult Field 7 weighs 6,300 g which is heavier than that of 91.6% of portable speakers and equal to that of 0.1% 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

22.4 cm
Sony Ult Field 7 has a height of 22.4 cm which is taller than that of 83.1% of portable speakers and equal to that of 0.2% 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

51.2 cm
Sony Ult Field 7 has a width of 51.2 cm which is wider than that of 98.4% 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

22.2 cm
Sony Ult Field 7 has a depth of 22.2 cm which is deeper than that of 91.8% 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

?
Show more
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

yes
Sony Ult Field 7 supports firmware updates. 52.9% of portable speakers offer this feature.
Supports user-accessible firmware updates.
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

App
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

yes
Sony Ult Field 7 supports voice assistants. 73.6% of portable speakers offer this feature.
Supports direct 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 Ult Field 7 does not support Spotify Connect. 10.8% of portable speakers offer this feature.
Does not support native Spotify Connect.
Show more

Sony Ult Field 7 vs the average portable speaker

  • Better ingress protection
    Sony Ult Field 7 has better ingress protection than the average portable speaker (IP67 vs IPX5).
    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+

    Sony Ult Field 7 has better ingress protection than the average portable speaker (IP67 vs IPX5).IP67 vs IPX5
  • 18 hours longer battery life
    Sony Ult Field 7 has a longer battery life than the average portable speaker (30 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 Ult Field 7 has a longer battery life than the average portable speaker (30 hours vs 12 hours).30 hours vs 12 hours
  • 20 m longer Bluetooth range
    Sony Ult Field 7 has a longer Bluetooth range than the average portable speaker (30 m vs 10 m).
    Maximum Bluetooth range: 30.00 m.
    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

    Sony Ult Field 7 has a longer Bluetooth range than the average portable speaker (30 m vs 10 m).30.00 m vs 10 m
  • 1 m deeper waterproof rating
    Sony Ult Field 7 has a deeper waterproof depth rating than the average portable speaker (1 m vs 0 m).
    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

    Sony Ult Field 7 has a deeper waterproof depth rating than the average portable speaker (1 m vs 0 m).1 m vs 0 m
  • 40 Hz deeper bass extension
    Sony Ult Field 7 has deeper bass extension than the average portable speaker (20 Hz vs 60.00 Hz).
    Lower frequency-response endpoint: 20.00 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 Ult Field 7 has deeper bass extension than the average portable speaker (20 Hz vs 60.00 Hz).20.00 Hz vs 60.00 Hz
  • 2 more speaker drivers
    Sony Ult Field 7 has more speaker drivers than the average portable speaker (4 vs 2).
    Acoustic drivers: 4.
    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

    Sony Ult Field 7 has more speaker drivers than the average portable speaker (4 vs 2).4 vs 2
  • 2,600 mAh more battery capacity
    Sony Ult Field 7 has a larger battery capacity than the average portable speaker (5,200 mAh vs 2,600 mAh).
    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

    Sony Ult Field 7 has a larger battery capacity than the average portable speaker (5,200 mAh vs 2,600 mAh).5200 mAh vs 2600 mAh
  • 1 more multipoint connections
    Sony Ult Field 7 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 Ult Field 7 has more multipoint connections than the average portable speaker (2 vs 1).2 vs 1
  • 40 Hz deeper bass extension
    Sony Ult Field 7 has deeper bass extension than the average portable speaker (20 Hz vs 60.00 Hz).
  • 2 more speaker drivers
    Sony Ult Field 7 has more speaker drivers than the average portable speaker (4 vs 2).
  • 7 dB SPL higher maximum sound pressure
    Sony Ult Field 7 has a higher maximum sound pressure level than the average portable speaker (99 dB SPL vs 92.00 dB SPL).
  • 20 m longer Bluetooth range
    Sony Ult Field 7 has a longer Bluetooth range than the average portable speaker (30 m vs 10 m).
  • 1 more multipoint connections
    Sony Ult Field 7 has more multipoint connections than the average portable speaker (2 vs 1).
  • Supports LDAC
    Sony Ult Field 7 supports LDAC, while the average portable speaker does not support LDAC.
  • Has a microphone input
    Sony Ult Field 7 has a microphone input, while the average portable speaker does not have a microphone input.
  • Supports AAC Bluetooth audio
    Sony Ult Field 7 supports AAC Bluetooth audio, while the average portable speaker does not support AAC Bluetooth audio.
  • 0.2 Bluetooth levels newer
    Sony Ult Field 7 has a newer Bluetooth version than the average portable speaker (5.2 vs 5.0).
  • 18 hours longer battery life
    Sony Ult Field 7 has a longer battery life than the average portable speaker (30 hours vs 12 hours).
  • 2,600 mAh more battery capacity
    Sony Ult Field 7 has a larger battery capacity than the average portable speaker (5,200 mAh vs 2,600 mAh).
  • 35 W higher charging input power
    Sony Ult Field 7 has higher charging input power than the average portable speaker (45 W vs 10 W).
  • Has a power bank function
    Sony Ult Field 7 has a power bank function, while the average portable speaker does not have a power bank function.
  • Includes a power adapter
    Sony Ult Field 7 includes a power adapter, while the average portable speaker does not include a power adapter.
  • Better ingress protection
    Sony Ult Field 7 has better ingress protection than the average portable speaker (IP67 vs IPX5).
  • 1 m deeper waterproof rating
    Sony Ult Field 7 has a deeper waterproof depth rating than the average portable speaker (1 m vs 0 m).
  • Floats in water
    Sony Ult Field 7 floats in water, while the average portable speaker does not float in water.
  • 7 more adjustable EQ bands
    Sony Ult Field 7 has more adjustable EQ bands than the average portable speaker (7 vs 0).
  • Has an equalizer
    Sony Ult Field 7 has an equalizer, while the average portable speaker does not have an equalizer.
  • Supports fast pairing
    Sony Ult Field 7 supports fast pairing, while the average portable speaker does not support fast pairing.
  • Supports party mode
    Sony Ult Field 7 supports party mode, while the average portable speaker does not support party mode.
  • 2 more EQ presets
    Sony Ult Field 7 has more EQ presets than the average portable speaker (2 vs 0).
  • Includes a travel bag
    Sony Ult Field 7 includes a travel bag, while the average portable speaker does not include a travel bag.
  • Supports automatic room calibration
    Sony Ult Field 7 supports automatic room calibration, while the average portable speaker does not support automatic room calibration.
  • Supports voice assistants
    Sony Ult Field 7 supports voice assistants, while the average portable speaker does not support voice assistants.
  • Supports firmware updates
    Sony Ult Field 7 supports firmware updates, while the average portable speaker does not support firmware updates.
  • 5 newer
    Sony Ult Field 7 was released more recently than the average portable speaker (2024 vs 2019).

Total
Overall
Audio
Connectivity
Battery
Durability
Controls
Design
Smart features
  • 3.1 % higher total harmonic distortion
    Sony Ult Field 7 has higher total harmonic distortion than the average portable speaker (4.1% vs 1%).
    THD: 4.1%.
  • 2 hours longer charging time
    Sony Ult Field 7 has a longer charging time than the average portable speaker (5 hours vs 3 hours).
  • 5 °C higher minimum operating temperature
    Sony Ult Field 7 has a higher minimum operating temperature than the average portable speaker (5 °C vs 0 °C).
  • 5 °C lower maximum operating temperature
    Sony Ult Field 7 has a lower maximum operating temperature than the average portable speaker (35 °C vs 40 °C).
  • 5,500 g heavier
    Sony Ult Field 7 is heavier than the average portable speaker (6,300 g vs 800 g).
  • 33.1 cm wider
    Sony Ult Field 7 is wider than the average portable speaker (51.2 cm vs 18.1 cm).
  • 13.9 cm deeper
    Sony Ult Field 7 is deeper than the average portable speaker (22.2 cm vs 8.3 cm).
  • 10 cm taller
    Sony Ult Field 7 is taller than the average portable speaker (22.4 cm vs 12.4 cm).
  • 2 hours longer charging time
    Sony Ult Field 7 has a longer charging time than the average portable speaker (5 hours vs 3 hours).
    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

    Sony Ult Field 7 has a longer charging time than the average portable speaker (5 hours vs 3 hours).5 hours vs 3 hours
  • 5,500 g heavier
    Sony Ult Field 7 is heavier than the average portable speaker (6,300 g vs 800 g).
    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

    Sony Ult Field 7 is heavier than the average portable speaker (6,300 g vs 800 g).6300 g vs 800 g
  • 3.1 % higher total harmonic distortion
    Sony Ult Field 7 has higher total harmonic distortion than the average portable speaker (4.1% vs 1%).
    THD: 4.1%.
    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 Ult Field 7 has higher total harmonic distortion than the average portable speaker (4.1% vs 1%).4.1 % vs 1 %
  • 5 °C higher minimum operating temperature
    Sony Ult Field 7 has a higher minimum operating temperature than the average portable speaker (5 °C vs 0 °C).
    What it is: The lowest ambient temperature recommended for normal operation.
    When it matters: When the speaker must work reliably in colder conditions.

    Importance: LOW

    Good value: <= -10 °C

    Sony Ult Field 7 has a higher minimum operating temperature than the average portable speaker (5 °C vs 0 °C).5 °C vs 0 °C
  • 33.1 cm wider
    Sony Ult Field 7 is wider than the average portable speaker (51.2 cm vs 18.1 cm).
    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

    Sony Ult Field 7 is wider than the average portable speaker (51.2 cm vs 18.1 cm).51.2 cm vs 18.1 cm
  • 13.9 cm deeper
    Sony Ult Field 7 is deeper than the average portable speaker (22.2 cm vs 8.3 cm).
    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

    Sony Ult Field 7 is deeper than the average portable speaker (22.2 cm vs 8.3 cm).22.2 cm vs 8.3 cm
  • 10 cm taller
    Sony Ult Field 7 is taller than the average portable speaker (22.4 cm vs 12.4 cm).
    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

    Sony Ult Field 7 is taller than the average portable speaker (22.4 cm vs 12.4 cm).22.4 cm vs 12.4 cm
  • 5 °C lower maximum operating temperature
    Sony Ult Field 7 has a lower maximum operating temperature than the average portable speaker (35 °C vs 40 °C).
    What it is: The highest ambient temperature recommended for normal operation.
    When it matters: When reliable use in hot weather or direct sunlight matters.

    Importance: LOW

    Good value: >= 45 °C

    Sony Ult Field 7 has a lower maximum operating temperature than the average portable speaker (35 °C vs 40 °C).35 °C vs 40 °C
Total
Overall
Audio
Battery
Durability
Design

Graphic comparison of Sony Ult Field 7 and other products in the Portable Speakers category

Attribute category
Attribute
No results found

Third-party reviews

United Kingdom
amazon
4.6
420 Reviews

(Reviews last updated: August 2026)

What customers like about Sony Ult Field 7?

  • Powerful audio performance with exceptionally deep and punchy bass via toggleable ULT modes
  • Excellent robust build quality that feels durable, modern, and highly premium
  • Comprehensive IP67 dustproof, waterproof, and rustproof design suitable for beach use
  • Versatile connectivity options including a 1/4-inch input for microphone or guitar karaoke
  • Long-lasting battery life of up to 30 hours at lower volumes with convenient AC charging and quick-charge support
  • Useful extra features such as a USB-A port for flash drive playback and device charging
  • Low Bluetooth latency performance when watching videos on iOS devices

What customers dislike about Sony Ult Field 7?

  • Extremely large, heavy, and bulky footprint that makes it difficult to fit into standard backpacks
  • Lacks an included shoulder strap, making manual transportation awkward
  • Noticeable sound compression, upper-mid sharpness, and muddiness when cranked to maximum volumes
  • Sub-par sound directivity meaning audio clarity decreases depending on your listening angle
  • The companion app is often described as lackluster or basic for deep adjustments
  • Built-in LED ambient lights are relatively dim and only noticeable in fully dark rooms
  • Battery life drains significantly faster (dropping to around 3 hours) at max volume with lights and bass boost active

Expert reviews

T
techradar.com
14/05/2024
Summary of the review
Sony ULT Field 7 review: a great wireless party speaker that ...
R
rtings.com
26/08/2024
Summary of the review
Sony ULT FIELD 7 Speaker Review - RTINGS.com
U
uk.pcmag.com
09/05/2024
Summary of the review
Sony ULT Field 7 - Review 2024 - PCMag UK
S
stereoguide.com
25/07/2024
Summary of the review
Sony ULT Field 7 Outdoor Bluetooth Speaker review PCMag UK
P
pcmag.com
09/05/2024
Summary of the review
Sony ULT Field 7 Review - PCMag
A
au.pcmag.com
10/05/2024
Summary of the review
Sony ULT Field 7 - Review 2024 - PCMag Australia
S
soundguys.com
06/06/2025
Summary of the review
Sony ULT Field 7 review: Is this the best portable party speaker?
G
gizguide.com
31/03/2025
Summary of the review
Sony ULT FIELD 7 - Superb "portable" party wireless speaker
C
computerbild.de
01/09/2024
Summary of the review
Sony ULT Field 7 Review: The Music Barrel
(Translated)Show original
H
hifi.de
12/07/2024
Summary of the review
Sony Ult Field 7 Review: Bluetooth Speaker for Karaoke Parties
(Translated)Show original
C
chip.de
23/09/2024
Summary of the review
Sony ULT Field 7 Review | CHIP HIFI.DE +2
(Translated)Show original
S
stereoguide.de
10/07/2024
Summary of the review
Sony ULT Field 7 Outdoor Bluetooth Speaker Review
(Translated)Show original
L
lesnumeriques.com
01/10/2024
Summary of the review
Sony ULT Field 7 review: a versatile and powerful speaker
(Translated)Show original
F
frandroid.com
13/09/2024
Summary of the review
Sony ULT Field 7 Review: Our Full Verdict
(Translated)Show original
Q
quechoisir.org
13/09/2024
Summary of the review
Sony Ult Field 7 Review - Speaker - Que Choisir
(Translated)Show original
L
lafm.com.co
05/11/2024
Summary of the review
Sony ULT Field 7 Review: Portable Power Speaker
(Translated)Show original
S
smartworld.it
28/04/2024
Summary of the review
Sony ULT Field 7 Review: party hard
(Translated)Show original
D
digitec.ch
12/04/2024
Summary of the review
Sony ULT FIELD 7: the bass monster
(Translated)Show original
E
expert.nl
07/08/2025
Summary of the review
Sony ULT Field Speakers Review: Expert Analysis
(Translated)Show original
A
ad.nl
17/08/2024
Summary of the review
53 large wireless speakers tested, this is the best
(Translated)Show original
C
consumentenbond.nl
01/04/2024
Summary of the review
Sony ULT Field 7 - Test, Reviews & Prices - Consumentenbond
(Translated)Show original
E
expert.nl
29/10/2024
Summary of the review
Sony ULT Field Review - Expert
(Translated)Show original

Video reviews

Best alternatives

anker-soundcore-boom-2-pro
Anker Soundcore Boom 2 Pro

Portable Speakers

8.8
jbl-xtreme-4
JBL Xtreme 4

Portable Speakers

8.5
kef-muo
KEF Muo

Portable Speakers

8.2
ultimate-ears-everboom
Ultimate Ears EVERBOOM

Portable Speakers

8.0
marshall-middleton-ii
Marshall Middleton II

Portable Speakers

8.5
tribit-stormbox-blast-2
Tribit Stormbox Blast 2

Portable Speakers

8.5
loewe-we-hear-pro
Loewe We Hear Pro

Portable Speakers

7.9
libratone-zipp-2
Libratone Zipp 2

Portable Speakers

7.8
bose-soundlink-max
Bose SoundLink Max

Portable Speakers

8.3
marshall-middleton
Marshall Middleton

Portable Speakers

8.0
harman-kardon-aura
Harman Kardon Aura

Portable Speakers

7.6
audio-pro-addon-c5
Audio Pro Addon C5

Portable Speakers

7.6

Compare Sony Ult Field 7 with other products in the Portable Speakers category

VS
VS

Compare