Best Portable Speakers · head-to-head

Marshall Emberton III vs Sony ULT Field 1

A sourced, side-by-side comparison. Marshall Emberton III is cheaper at $179.99. Every spec and price links to its source.

Which is better: the Marshall Emberton III or Sony ULT Field 1?

The Sony ULT Field 1 wins 1 of the 1 specs we compare head to head; the other wins 0.

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Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Marshall Emberton III Sony ULT Field 1
US price $179.99
BrandMarshallSony
Released20232024
Battery hr 32 12
IP rating IP67 IP67
Drivers 2×2-inch full-range + 2 passive radiators 1×83mm×42mm woofer + 1×16mm tweeter + passive radiator
Bluetooth 5.3
Weight (lb) 1.48 1.43
Stereo pairing Yes Yes
Aux (in) No
Release 2023 2024

Sources — Marshall Emberton III: marshall.com (verified 2026-06-15). Sony ULT Field 1: helpguide.sony.net (verified 2026-07-10).

What's the difference between the Marshall Emberton III and Sony ULT Field 1?

Where the two actually differ on the specs we track (3 of 7). Matching specs are omitted.

  • Battery hr: Marshall Emberton III 32 vs Sony ULT Field 1 12
  • Drivers: Marshall Emberton III 2×2-inch full-range + 2 passive radiators vs Sony ULT Field 1 1×83mm×42mm woofer + 1×16mm tweeter + passive radiator
  • Weight (lb): Marshall Emberton III 1.48 vs Sony ULT Field 1 1.43

What reviewers say

Sourced tester consensus for each — the "what people who used it think" layer, not just specs.

Marshall Emberton III

Two whitelisted outlets (Tom's Guide, TechRadar) hands-on tested the Emberton III over several weeks. Both praise class-leading battery life (30-32 hours vs a ~20-hour category norm), the rugged Marshall-amp styling, and impressively loud, punchy sound for the small size. Both flag the same core limitation: mids get de-emphasized and the sound turns harsh with bass distortion when pushed loud, plus there is no custom EQ (only three fixed presets) and no aux input. (2 sourced reviews, 2 lab-tested.)

Praised: Exceptional battery life (30-32 hours, far beyond category norm); Rugged, distinctive Marshall-amp design and build; Impressively loud and punchy sound for its small size.

Flagged: Weak/scooped mid-range; sound harshens and bass distorts at high volume; No customizable EQ (only three fixed presets); No 3.5mm aux input.

Sony ULT Field 1

No sourced tester review yet.

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