KEF
KEF LSX II · Black
Smart/Portable · $1399
92
/ 100
From $1,399
VS
KEF LSX II · Black wins by 4
Sonos
Sonos Era 300 · Black
Smart/Portable · $449
88
/ 100
From $449
Specdex verdict
KEF LSX II · Black takes it — here’s why.
In our weighted Specdex score, KEF LSX II · Black lands at 92 and Sonos Era 300 · Black at 88. That puts KEF LSX II · Black ahead by 4 points — a narrow margin driven mostly by its strengths in the categories below.
Pick KEF LSX II · Black if…
- ✓Easy multi-room with ecosystem
- ✓App EQ on modern models
- ✓USB-C/AUX input on some
Pick Sonos Era 300 · Black if…
- ✓Easy multi-room with ecosystem
- ✓App EQ on modern models
- ✓USB-C/AUX input on some
KEF LSX II · Black 92
vs 88 Sonos Era 300 · Black
Score breakdown
KEF LSX II · Black
92 sound 92
features 90
design 88
ecosystem 84
Sonos Era 300 · Black
88 sound 88
features 86
design 88
ecosystem 84
Specs side-by-side
| Spec | KEF LSX II · Black | Sonos Era 300 · Black |
|---|
KEF LSX II · Black
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 · Black
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 · Black vs Sonos Era 300 · Black
Which is better, KEF LSX II · Black or Sonos Era 300 · Black? +
KEF LSX II · Black scores 92 on our weighted rubric — ahead by 4. Your best pick depends on the sub-scores above.
Is KEF LSX II · Black worth the price? +
At $1,399, KEF LSX II · Black delivers a Specdex score of 92 — strongest in sound.
Is Sonos Era 300 · Black worth the price? +
At $449, Sonos Era 300 · Black delivers a Specdex score of 88 — strongest in sound.
Does KEF LSX II · Black or Sonos Era 300 · Black 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.