In the speaker test, the best Bluetooth and WiFi devices score highly with their rich sound and ease of use. However, only a few offer this complete package. Natural sounding bass, clearly audible details and balanced, lively sound - this is what the perfect speaker should sound like...
Sony ULT Field 7
30 h, Rechargeable battery operated7 items in stock
Series
Product details
Satter sound for the best music enjoyment. Enhance deep frequencies so you can feel the captivating bass and powerful sound. Strong bass tones for the palpable beat that makes you want to dance. Bass boost for low frequencies that make your heart race. Experience robust sound that conveys the energy of a live concert. Captivating bass at the touch of a button. With the ULT button, you can switch between powerful ULT1 and ULT2 sound. Choose ULT1 for deeper, low-frequency bass. Choose ULT2 for powerful, rich bass. Loud and clear. The technology in the ULT FIELD 7 works together to provide better sound quality. The X-Balanced Speaker Unit delivers deep, powerful bass and clear vocal reproduction even at high volumes. A powerful tweeter enables clear and room-filling sound in the high-frequency spectrum. Passive radiators optimize the sound for clearer bass reproduction. All these elements combine to create an impressive sound that is best enjoyed with friends. Powerful sound through the X-Balanced Speaker Unit. The X-Balanced Speaker Unit features an almost rectangular diaphragm. This provides a larger surface area compared to conventional speaker units. The approximately 114 mm x 114 mm woofer delivers clear and deep bass. A full, clear, intense listening experience. The asymmetrical diaphragm not only maximizes the surface area but also increases sound pressure for rich and intense bass. At the same time, the diaphragm reduces distortion and ensures clear vocals. For a full, clear, and pleasant listening experience. Fits anywhere, lasts longer. Celebrate your party indoors or outdoors with a portable, waterproof, and dustproof design that can be set up vertically or horizontally. A long battery life ensures even longer enjoyment.
Protection type (IP code) | IP67 |
Audio Connections | Jack 3.5mm (1x), Jack 6.3mm (1x), Microphone |
Item number | 43103581 |
Manufacturer | Sony |
Category | Bluetooth speakers |
Manufacturer no. | SRSULT70B.EU8 |
Release date | 11.4.2024 |
Sales rank in Category Bluetooth speakers | 31 of 3008 |
External links | |
May include power adapter | No |
Colour | Black |
Exact colour description | Black |
Material group | Metal, Plastic |
Material | Metal, Partly recycled plastic |
Audio channel | 4.0 Channel |
Nominal power | 45 W |
Frequency range | 20 - 20000 Hz |
Equipment + Functions | Dustproof, Waterproof |
Number of speakers | 4 x |
Durability | Dustproof, Waterproof |
Protection type (IP code) | IP67 |
Volume control | Keys |
Application range | Instrument, Mobile, Outdoor, Portable |
Playback source | External playback device |
Audio formats | AAC, LDAC, SBC |
Bluetooth version | 5.2 |
Bluetooth transmission range | 30 m |
USB ports | USB-A |
Audio Connections | Jack 3.5mm (1x), Jack 6.3mm (1x), Microphone |
Display properties | LED |
Power consumption | 45 W |
Power supply | Rechargeable battery operated |
Power consumption (standby) | 0.50 W |
Battery type | Li-ion |
Battery life | 30 h |
Capacity | 5200 mAh |
Charging time | 1.83 h |
Number of batteries | 1 |
Battery size | Device specific |
Country of origin | China |
Manufacturer commitment | RE100, SBTi |
Manufacturer compensation | According to RE100, the manufacturer Sony fully compensates for its energy consumption, leading to a reduction in emissions. |
CO₂-Emission | |
Climate contribution |
Scope of delivery | Further documentation, Manual, Power cord |
Shape | Tube |
Length | 22.20 cm |
Width | 51.20 cm |
Height | 22.40 cm |
Weight | 6300 g |
Length | 57 cm |
Width | 27 cm |
Height | 31 cm |
Weight | 7.85 kg |
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Reviews & Ratings
Warranty score
How often does a product of this brand in the «Bluetooth speakers» category have a defect within the first 24 months?
Source: Digitec Galaxus- 1.Fresh'N Rebel0.3 %
- 2.Beats0.4 %
- 2.Sony0.4 %
- 4.soundcore0.5 %
- 5.JBL0.7 %
Warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec Galaxus- 1.Lexon0 days
- 1.Sony0 days
- 1.Tronsmart0 days
- 1.X-mini0 days
- 1.Xiaomi0 days
Return rate
How often is a product of this brand in the «Bluetooth speakers» category returned?
Source: Digitec Galaxus- 8.Marshall2.2 %
- 9.Muse2.7 %
- 9.Sony2.7 %
- 11.Bose2.8 %
- 12.Teufel3 %

Sony's Ult Field 7 boombox delivers plenty of power with clear sound and rich bass - but at 450 euros it's no bargain.
- Warmer
- balanced sound
- Very long runtime
- superb extras
- Basses boomy depending on the setting
- A little heavy
- Balanced mid-high range, very powerful bass
- Separately adjustable input for microphones / instruments
- Lightshow and DJ sound effects
- No shoulder strap
The best of the three ULT sound age natives in relation to the price.
- Excellent equipment
- Simple operation
- Well transportable
- Good sound with balanced voices
- Mediocre battery life
- Poor Bluetooth range
- Bassy, powerful sound
- Clever housing design
- Light show with many settings
- Connections for guitar and microphone
- Excellent battery life
- Moderate app