The Sony ULT Field 3 ranks #57 out of 133 total Medium Size Portable Bluetooth Speakers for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.
#57 Sony ULT Field 3: $148 Amazon
Pros: IP67 rated, dustproof and water resistant. 24 hour battery life. App with 10-band EQ. Party Connect with up to 100 speakers. USB-C in/out for charging your phone.
Cons: Sounds a bit hollow, a bit boosted in the treble.
How it compares: Just above it: Bose Soundlink Mini - $23 cheaper, 14 fewer hours of battery life. Just below it: Xiaomi Mi Portable - $93 cheaper, 11 fewer hours of battery life.
| App | Yes |
|---|---|
| Aux Input | No |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, LDAC |
| Bluetooth Version | 5.2 |
| Built in Microphone | Yes |
| Dimensions | 10.1" x 4.5" x 3.1" (256 x 113 x 79 mm) |
| Driver | 1x 20mm tweeter + 1x 86mm x 46mm woofer |
| EQ | Yes (App + ULT button) |
| IP Rating | IP67 |
| Output Power | 27W |
| Party Mode | Yes (Party Connect up to 100 speakers) |
| Power Bank | Yes |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 2.6 lbs / 1.2 kg |
- Reviews, Comparisons and Sound Samples
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Product prices and availability were last checked July 28, 2026 at 2:23 PM UTC and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.