Ultimate Ears
UE Boom 4
$149.99
Released 2024
Best Portable Speakers · head-to-head
UE Boom 4 vs Sony ULT Field 1
A sourced, side-by-side comparison. UE Boom 4 is cheaper at $149.99. Every spec and price links to its source.
Sony
Sony ULT Field 1
—
Released 2024
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | UE Boom 4 | Sony ULT Field 1 |
|---|---|---|
| US price | $149.99 | — |
| Brand | Ultimate Ears | Sony |
| Released | 2024 | 2024 |
| Battery hr | 15 | 12 |
| IP rating | IP67 | IP67 |
| Drivers | — | 1×83mm×42mm woofer + 1×16mm tweeter + passive radiator |
| Bluetooth | — | — |
| Weight (lb) | — | 1.43 |
| Stereo pairing | Yes | Yes |
| Aux (in) | No | — |
| Release | 2024 | 2024 |
Sources — UE Boom 4: ultimateears.com (verified 2026-06-15). Sony ULT Field 1: helpguide.sony.net (verified 2026-07-10).
What's the difference between the UE Boom 4 and Sony ULT Field 1?
Where the two actually differ on the specs we track (1 of 7). Matching specs are omitted.
- Battery hr: UE Boom 4 15 vs Sony ULT Field 1 12