KEF
KEF LSX II LT
Active wireless · Uni-Q · KEF Connect
92
/ 100
From $1,199
VS
KEF LSX II LT wins by 4
Sonos
Sonos Era 300
Dolby Atmos · Wi-Fi 6 · Spatial audio
88
/ 100
From $449
Specdex verdict
KEF LSX II LT takes it — here’s why.
In our weighted Specdex score, KEF LSX II LT lands at 92 and Sonos Era 300 at 88. That puts KEF LSX II LT ahead by 4 points — a narrow margin driven mostly by its strengths in the categories below.
Pick KEF LSX II LT if…
- ✓Best-in-class wireless desktop speakers
- ✓Uni-Q driver for ideal stereo image
- ✓Hi-res over LDAC + Tidal Connect
Pick Sonos Era 300 if…
- ✓Genuine Atmos from one box
- ✓Sonos ecosystem polish
- ✓USB-C line-in
KEF LSX II LT 92
vs 88 Sonos Era 300
Score breakdown
KEF LSX II LT
92 sound 96
features 92
ease 90
value 86
design 0
ecosystem 0
Sonos Era 300
88 sound 90
features 88
ease 0
value 0
design 92
ecosystem 86
Specs side-by-side
| Spec | KEF LSX II LT | Sonos Era 300 |
|---|---|---|
| Drivers | Uni-Q (HF + 4.5″ MF) | 6 (4 tweeters, 2 woofers) |
| Power | 70W per speaker | Class-D amps |
| Connectivity | Wi-Fi 6, BT 5.0 LDAC, AirPlay 2, Roon, HDMI ARC, USB-C, optical | Wi-Fi 6, BT 5.0, USB-C |
| Inputs | 5 | — |
| Weight | 3.6 kg pair | — |
| Voice | — | Amazon Alexa |
KEF LSX II LT
Pros
- +Best-in-class wireless desktop speakers
- +Uni-Q driver for ideal stereo image
- +Hi-res over LDAC + Tidal Connect
Cons
- −Pair must be wired (or use 2.4 GHz wireless)
- −No subwoofer output
- −Black/white only on LT trim
Sonos Era 300
Pros
- +Genuine Atmos from one box
- +Sonos ecosystem polish
- +USB-C line-in
Cons
- −Sonos app issues persist
- −Needs Atmos-mastered tracks
- −Bass limits vs larger rivals
FAQ: KEF LSX II LT vs Sonos Era 300
Which is better, KEF LSX II LT or Sonos Era 300? +
KEF LSX II LT scores 92 on our weighted rubric — ahead by 4. Your best pick depends on the sub-scores above.
Is KEF LSX II LT worth the price? +
At $1,199, KEF LSX II LT delivers a Specdex score of 92 — strongest in sound.
Is Sonos Era 300 worth the price? +
At $449, Sonos Era 300 delivers a Specdex score of 88 — strongest in design.
Does KEF LSX II LT or Sonos Era 300 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.