1 / 7Sony ULT FIELD 1 Portable Bluetooth Speaker, Orange
Orange: Sony ULT FIELD 1 is a compact, battery-powered Bluetooth speaker with a bass-boost ULT mode, a detachable strap and a claimed IP67 rating. Its listing also advertises up to 12 hours of battery life and hands-free calling, making it suited to portable listening, while mixed customer feedback on volume suggests it may not satisfy everyone seeking high output.
At a glance
- ULT button activates a bass-boost mode, according to the listing.
- A detachable multi-way strap supports carrying or hanging the speaker.
- Sony claims IP67 water, dust and rust protection, plus shock resistance.
- A built-in microphone is listed for hands-free calls with echo cancellation.
- Two ULT FIELD 1 speakers can be connected wirelessly for stereo sound.
Reference price: $178.00
Price checked: Nov 13, 2026
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Pros and cons
Pros
- The detachable strap and compact design support carrying the speaker on outings.
- The ULT button offers an on-speaker way to boost bass without a separate subwoofer.
- The listing claims dust and water protection along with shock resistance for outdoor use.
- Wireless stereo pairing is available when you add a second ULT FIELD 1.
Cons
- Customer feedback is mixed on performance and volume, so buyers wanting consistently high loudness should consider that uncertainty.
Technical specifications
29 specifications| Brand | Sony |
|---|---|
| Model | ULT FIELD 1 |
| Colour | Orange |
| Model number | SRSULT10D.UC |
| Maximum output power | 30 watts |
|---|---|
| Audio output mode | Surround |
| Frequency response | 2.4 GHz |
| Woofer diameter | 1.7 inches |
| Tweeter diameter | 0.6 inches |
| Number of audio channels | 2.1 or 3.1 |
| Impedance | 4 ohm |
| Wireless connection listed | Bluetooth |
|---|---|
| Bluetooth range | 10 meters |
| Control methods listed | Touch |
| Microphones | 1 |
| Stereo pairing | Connect two ULT FIELD 1 speakers wirelessly for stereo sound |
| Power configuration | Battery Powered |
|---|---|
| Battery life listed | 12 hours |
| Battery capacity | 2900 milliamp_hours |
| Battery requirement | 1 Lithium Ion batteries required. |
| Input voltage | 5 volts |
| Water resistance listed | Waterproof |
|---|---|
| Protection rating claimed | IP67 |
| Enclosure material | Recycled Plastic |
| Mounting types listed | Floor Standing |
|---|---|
| Dimensions listed | 7.62 x 20.57 x 7.87 cm; 648.64 g |
| Weight listed | 649 g |
| Warranty description | 1 year |
|---|---|
| Customer package type | FFP |
What to know before buying
Listing details to confirm
Listing details are inconsistent: the included dimensions-and-weight line gives 648.64 g, while a separate weight field says 649 g, and channel count is listed as “2.1 or 3.1” despite a single portable speaker and a separate stereo-pairing claim. The listing also calls the response “2.4 GHz,” which is not presented as a conventional audio-frequency range. Confirm the specifications that matter for your setup. Battery life is stated as up to 12 hours in feature copy, while the table lists 12 hours without a usage condition, so actual runtime is not established here.
Who is it for?
A good fit for
- Listeners wanting a portable Bluetooth speaker with a selectable bass boost and strap for carrying.
- Outdoor users who value the listing's IP67 protection claim for water and dust exposure.
- Buyers who want hands-free calls or the option to pair two matching speakers for stereo.
Less suited to
- Buyers who need confirmed loud performance or dependable high volume, given mixed feedback on volume and performance.
- Anyone needing a verified stereo or multi-channel configuration from one speaker, since the channel details are inconsistent.
Customer reviews on Amazon
- 5 stars
79% 79% - 4 stars
12% 12% - 3 stars
4% 4% - 2 stars
2% 2% - 1 star
3% 3%
Customer feedback highlights sound quality and bass, portability, and battery life as strengths, while also reporting mixed experiences with performance and volume. That balance matters for a compact portable speaker: positive sound impressions do not establish how loud it will seem in a particular space, and the listed battery duration is up to 12 hours rather than a guaranteed runtime.
Positive themes
- Customer feedback describes the sound as good, with strong bass, and the speaker as portable for everyday use and travel.
- Feedback also speaks positively about battery life and charging.
Mixed feedback
- Customer feedback reports mixed opinions on performance and volume levels.
Frequently asked questions
Does the ULT FIELD 1 have a bass boost?
Yes. The listing says its ULT button boosts bass.
Can two ULT FIELD 1 speakers play in stereo?
The listing says two ULT FIELD 1 speakers can connect wirelessly for stereo sound. This refers to adding a second speaker.
How long does the battery last?
The listing claims up to 12 hours, but provides no specific playback conditions for that figure.
Is the speaker waterproof?
The listing describes it as waterproof and claims an IP67 rating. Treat these as manufacturer claims rather than independently verified performance.
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