1 / 7Sony ULT FIELD 1 Portable Bluetooth Speaker
Sony ULT FIELD 1 is a compact portable Bluetooth speaker with a selectable ULT bass mode, an IP67 rating and a stated battery life of up to 12 hours. Its adjustable strap and horizontal or vertical placement suit travel and outdoor listening, while stereo pairing requires a second matching speaker.
At a glance
- ULT mode boosts bass at the press of a button, according to the listing.
- IP67 protection and a shockproof design are claimed for outdoor use.
- Adjustable carry strap and horizontal or vertical placement support flexible carrying and setup.
- Up to 12 hours of playback is claimed. Battery life may vary with use.
- Stereo Pair connects two matching speakers, so a second speaker is needed for that setup.
Reference price: £89.00
Price checked: 13 Nov 2026
View offerAhead of Black FridayExplore the selectionPros and cons
Pros
- The claimed IP67 rating and shockproof design are useful for outdoor and travel use.
- The adjustable strap and choice of horizontal or vertical placement make it easier to carry and position.
- ULT mode offers a bass boost option, and hands-free calls are listed as a feature.
Cons
- Stereo Pair requires a second matching speaker to create the paired setup.
Technical specifications
15 specifications| Brand | Sony |
|---|---|
| Model | Sony ULT FIELD 1 |
| Speaker type | Portable Speaker |
| Maximum output power | 30 Watts |
|---|---|
| Frequency response | 20000 GHz |
| Audio output mode | Stereo |
| Wireless connection listed | Bluetooth, USB |
|---|---|
| Input voltage | 5 Volts |
| Mounting types listed | Tabletop horizontal/vertical |
|---|
| Material listed | robuste Plastik oder Metall (Gehäuse), Polypropylen oder Aluminium (Komponenten) |
|---|---|
| Protection rating | IP67 |
| Battery life claim | up to 12 hours |
|---|---|
| Call feature | Clear, hands-free calls with our Echo Cancelling technology |
| Pairing feature | Stereo Pair allows you to connect two matching speakers for even bigger sound |
| Android pairing feature | Fast Pair makes pairing Android devices easy |
What to know before buying
Listing details to confirm
The listing gives a frequency response of “20000 GHz”, an unusual unit for this specification. Treat that detail as unconfirmed and check it before relying on it. The material description is also broad and lists alternative housing and component materials rather than a single confirmed construction. The up-to-12-hour battery figure is a listing claim, not a guaranteed runtime.
Who is it for?
A good fit for
- People wanting a compact speaker for travel, outdoor listening or casual portable use.
- Buyers who want a selectable bass boost and hands-free call capability.
- Listeners who may add a second matching speaker for Stereo Pair.
Less suited to
- Buyers who need a verified frequency-response specification or one clearly stated material construction.
- Anyone expecting stereo pairing from a single speaker.
Customer reviews on Amazon
- 5 stars
80% 80% - 4 stars
12% 12% - 3 stars
5% 5% - 2 stars
0% 0% - 1 star
3% 3%
Aggregate ratings are predominantly five-star, with a smaller share of lower ratings. That suggests generally favourable customer sentiment, but ratings alone do not identify specific strengths, complaints or how the speaker performs in a particular setting. Consider the listed portability, protection and battery claims against your needs rather than treating the ratings as proof of performance.
Frequently asked questions
How long does the Sony ULT FIELD 1 play on a charge?
The listing claims up to 12 hours. It does not provide a use condition for that figure, so actual runtime is not established here.
Can one ULT FIELD 1 speaker use Stereo Pair?
The listing says Stereo Pair connects two matching speakers, so you need a second matching unit for that feature.
Can the speaker be used outdoors?
The listing claims IP67 waterproof and dustproof protection and a shockproof design. These are product claims, not independent verification.
What does the ULT button do?
The listing says ULT mode boosts bass and increases sound pressure.
