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KEF LSX II — Smart/Portable · $1399
KEF

KEF LSX II

Smart/Portable · $1399

92
/ 100
From $1,399
VS
KEF LSX II wins by 6
Sonos Era 100 — Stereo · Wi-Fi 6 · Line-in
Sonos

Sonos Era 100

Stereo · Wi-Fi 6 · Line-in

86
/ 100
From $249
Specdex verdict

KEF LSX II takes it — here’s why.

In our weighted Specdex score, KEF LSX II lands at 92 and Sonos Era 100 at 86. That puts KEF LSX II ahead by 6 points — a decisive margin driven mostly by its strengths in the categories below.

Pick KEF LSX II if…

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

Pick Sonos Era 100 if…

  • ✓True stereo from one speaker
  • ✓USB-C line-in
  • ✓Trueplay tuning
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Sound

KEF LSX II

Compared on the sound sub-score

KEF LSX II leads on sound (92 vs 88).

Design

Sonos Era 100

Compared on the design sub-score

Sonos Era 100 leads on design (90 vs 88).

Features

KEF LSX II

Compared on the features sub-score

KEF LSX II leads on features (90 vs 86).

Value for money

Sonos Era 100

Specdex score per dollar at MSRP

Sonos Era 100 more score per dollar ($249 vs $1,399).

KEF LSX II 92
vs
86 Sonos Era 100

Score breakdown

KEF LSX II
92
sound 92
features 90
design 88
ecosystem 84
Sonos Era 100
86
sound 88
features 86
design 90
ecosystem 86

Specs side-by-side

KEF LSX II versus Sonos Era 100 — full spec comparison
Spec KEF LSX II Sonos Era 100
Drivers
—
2 tweeters + 1 mid-woofer
Connectivity
—
Wi-Fi 6, BT 5.0, USB-C
Voice
—
Amazon Alexa + Sonos Voice

KEF LSX II

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 100

Pros
  • +True stereo from one speaker
  • +USB-C line-in
  • +Trueplay tuning
Cons
  • −Sonos app issues persist
  • −No voice assistant in EU
  • −Bass-light vs larger rivals

FAQ: KEF LSX II vs Sonos Era 100

Which is better, KEF LSX II or Sonos Era 100? +

KEF LSX II scores 92 on our weighted rubric — ahead by 6. Your best pick depends on the sub-scores above.

Is KEF LSX II worth the price? +

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

Is Sonos Era 100 worth the price? +

At $249, Sonos Era 100 delivers a Specdex score of 86 — strongest in design.

Does KEF LSX II or Sonos Era 100 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.

Which is better for sound, KEF LSX II or Sonos Era 100? +

KEF LSX II — leads on sound (92 vs 88). Compared on the sound sub-score.

Which is better for design, KEF LSX II or Sonos Era 100? +

Sonos Era 100 — leads on design (90 vs 88). Compared on the design sub-score.