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JBL Xtreme 3 · Olive — Smart/Portable · $299
JBL

JBL Xtreme 3 · Olive

Smart/Portable · $299

86
/ 100
From $299
VS
KEF LSX II wins by 6
KEF LSX II — Smart/Portable · $1399
KEF

KEF LSX II

Smart/Portable · $1399

92
/ 100
From $1,399
Specdex verdict

KEF LSX II takes it — here’s why.

In our weighted Specdex score, JBL Xtreme 3 · Olive lands at 86 and KEF LSX II at 92. That puts KEF LSX II ahead by 6 points — a decisive margin driven mostly by its strengths in the categories below.

Pick JBL Xtreme 3 · Olive if…

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

Pick KEF LSX II if…

  • Easy multi-room with ecosystem
  • App EQ on modern models
  • USB-C/AUX input on some
JBL Xtreme 3 · Olive 86
vs
92 KEF LSX II

Score breakdown

JBL Xtreme 3 · Olive
86
sound 86
features 84
design 88
ecosystem 84
KEF LSX II
92
sound 92
features 90
design 88
ecosystem 84

Specs side-by-side

JBL Xtreme 3 · Olive versus KEF LSX II — full spec comparison
Spec JBL Xtreme 3 · Olive KEF LSX II

JBL Xtreme 3 · Olive

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

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

FAQ: JBL Xtreme 3 · Olive vs KEF LSX II

Which is better, JBL Xtreme 3 · Olive or KEF LSX II? +

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

Is JBL Xtreme 3 · Olive worth the price? +

At $299, JBL Xtreme 3 · Olive delivers a Specdex score of 86 — strongest in design.

Is KEF LSX II worth the price? +

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

Does JBL Xtreme 3 · Olive or KEF LSX II 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.