Skip to content
Specdex
Compare now
KEF LSX II · White — Smart/Portable · $1399
KEF

KEF LSX II · White

Smart/Portable · $1399

92
/ 100
From $1,399
VS
KEF LSX II · White wins by 4
Sonos Era 300 · White — Smart/Portable · $449
Sonos

Sonos Era 300 · White

Smart/Portable · $449

88
/ 100
From $449
Specdex verdict

KEF LSX II · White takes it — here’s why.

In our weighted Specdex score, KEF LSX II · White lands at 92 and Sonos Era 300 · White at 88. That puts KEF LSX II · White ahead by 4 points — a narrow margin driven mostly by its strengths in the categories below.

Pick KEF LSX II · White if…

  • ✓Easy multi-room with ecosystem
  • ✓App EQ on modern models
  • ✓USB-C/AUX input on some

Pick Sonos Era 300 · White if…

  • ✓Easy multi-room with ecosystem
  • ✓App EQ on modern models
  • ✓USB-C/AUX input on some
KEF LSX II · White 92
vs
88 Sonos Era 300 · White

Score breakdown

KEF LSX II · White
92
sound 92
features 90
design 88
ecosystem 84
Sonos Era 300 · White
88
sound 88
features 86
design 88
ecosystem 84

Specs side-by-side

KEF LSX II · White versus Sonos Era 300 · White — full spec comparison
Spec KEF LSX II · White Sonos Era 300 · White

KEF LSX II · White

Pros
  • +Easy multi-room with ecosystem
  • +App EQ on modern models
  • +USB-C/AUX input on some
Cons
  • −Brand ecosystem lock-in
  • −Subscription features on some
  • −Bass limits at lower sizes

Sonos Era 300 · White

Pros
  • +Easy multi-room with ecosystem
  • +App EQ on modern models
  • +USB-C/AUX input on some
Cons
  • −Brand ecosystem lock-in
  • −Subscription features on some
  • −Bass limits at lower sizes

FAQ: KEF LSX II · White vs Sonos Era 300 · White

Which is better, KEF LSX II · White or Sonos Era 300 · White? +

KEF LSX II · White scores 92 on our weighted rubric — ahead by 4. Your best pick depends on the sub-scores above.

Is KEF LSX II · White worth the price? +

At $1,399, KEF LSX II · White delivers a Specdex score of 92 — strongest in sound.

Is Sonos Era 300 · White worth the price? +

At $449, Sonos Era 300 · White delivers a Specdex score of 88 — strongest in sound.

Does KEF LSX II · White or Sonos Era 300 · White last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.