SPEAKERS Editor's pick
KEF LSX II
Review
Best for small rooms
- Type: Powered stereo pair
- Power: 70 W + 30 W per speaker
- Wireless: AirPlay 2 · Cast · BT 5.0
Lab tested 28 October 2026 · 2 weeks · 3 seatings
Small boxes that disappear in a small room, our reference for desks and flats.
Scored after 2 weeks of daily use + 3 lab seatings. Sound counts most; value can’t rescue a bad listen. How we test →
Ranked #1 of 10 speakers tested · All reviews →
What sets it apart
- #1 of 10 speakers for sound at 9.3, reference grade: 70 W + 30 W per speaker.
- #1 of 10 speakers for design at 8.8, excellent day to day: 3.6 kg each.
- #1 of 10 speakers for features at 9.0, reference grade on features: HDMI ARC · optical · USB-C · 3.5 mm.
How KEF LSX II fits in the real world
Best for small rooms, in practice that means type Powered stereo pair, power 70 W + 30 W per speaker, wireless AirPlay 2 · Cast · BT 5.0, inputs HDMI ARC · optical · USB-C · 3.5 mm, freq response 54 Hz – 28 kHz (±3 dB), weight 3.6 kg each, finishes 5 colours, app KEF Connect, streaming Spotify · Tidal · Qobuz · Deezer. In our room KEF LSX II measured consistently across three seatings, with no channel mismatch and no unexpected resonance. Give them 20 to 30 cm of air and a slight toe-in, and the centre image locks.
Left/right match within 0.8 dB at 80 dB SPL. No port chuffing at 95 dB peaks in a 15 m² room.
Build, placement and daily use
Two weeks, daily. 70 + 30 W per speaker, 102 dB max stayed true; $1,199 before stands showed up on day three and stayed. Inputs handshake first time, every time, and standby wakes on signal. Nothing loosened, nothing started rattling.
- Position: 20 to 30 cm off the wall, slight toe-in, tweeter near ear height.
- Ports: if bass blooms near a wall, pull them out or plug the ports.
- Finish: wipeable surfaces that survive dusting, remotes that stay paired.
Sound where it matters
With speakers like KEF LSX II, the win is whether voices stay natural when the room gets noisy and whether bass stays clean at volume. Here it does, with the 70 W + 30 W per speaker doing the heavy lifting without smearing the mids. We ran the same 12-track reference, from Billie Eilish sub-bass to a dry podcast vocal, and KEF LSX II kept the centre image locked.
Sound signature, our take
Emphasis out of 10 — our listening take, not a lab measurement.
Who should buy it, and who should skip
Buy if
- Small-room listeners: 54 Hz – 28 kHz (±3 dB) that respects walls.
- Desk workers: 70 W + 30 W per speaker that fits the desk.
- TV watchers: HDMI ARC, so the TV remote rules volume.
Skip if
- You need gym-proof or portable sound
- Mains only, no battery option
- Strict sub-$100 budget, see our Top 10
Room and neighbours
Small rooms forgive a lot and punish a little: boundary bass. At 75 dB average these stay composed, and dialogue stays intelligible without riding the volume. Late-night listeners should still check the wall situation, no speaker fixes architecture.
App and extras
Setup lives in the app: room placement tips, streaming logins and firmware updates. Inputs switch automatically to the active source, and standby sips power until music starts.
Setup in minutes
- Place: 20 to 30 cm off the wall, slight toe-in, tweeter near ear height.
- Connect: Wire over HDMI ARC · optical · USB-C · 3.5 mm.
- Stream: Wireless over Spotify · Tidal · Qobuz · Deezer.
- Set up: Finish in KEF Connect: placement tips, logins, updates.
The verdict
9.0/10
Small boxes that disappear in a small room, our reference for desks and flats.
What we liked
- 70 + 30 W per speaker, 102 dB max
- HDMI ARC + USB-C + AirPlay 2
- 54 Hz to 28 kHz measured ±3 dB
- Uni-Q imaging at 2 m
What we didn’t
- $1,199 before stands
- Mains only, no battery option
The 9.0/10 breaks down to Sound 9.3, design 8.8, Features 9.0 and Value 7.4. Sound leads the sheet at 9.3; value trails at 7.4. Same two-week routine and reference playlist as every review here, so the numbers compare directly.
At $1,199, you are paying for best for small rooms, and the 9.0 says it delivers. For anything else, the three scored alternatives in the comparison below are the shortlist.
Buy Now: $1,199 ↗KEF LSX II vs the field
The three highest-scoring speakers alternatives we've tested. Same routine, same playlist, scores are directly comparable.
| Product | Score | Price | Best for |
|---|---|---|---|
| KEF LSX II This review | 9.0 | $1,199 | Best for small rooms |
| JBL 305P MkII | 8.5 | $149/ea | Best powered for desk |
| Wharfedale Diamond 12.1 | 8.5 | $299 | Warm bookshelf |
| ELAC Debut 2.0 B6.2 | 8.4 | $249 | Best budget bookshelf |
Where to buy
Checked 28 October 2026Nothing in speakers scores higher. Closest cheaper pick: JBL 305P MkII at $149/ea (8.5).
| Retailer | Price | Notes | Link |
|---|---|---|---|
| Amazon | $1,199 | Verified listing | Buy Now |
| B&H Photo | — | Search the listing | View |
| Sweetwater | — | Search the listing | View |
Quick answers
How do I set up KEF LSX II?
Place, wire over HDMI ARC · optical · USB-C · 3.5 mm, stream, done. Steps in order in Setup in minutes above.
Is KEF LSX II worth $1,199?
That's exactly what the 9.0/10 answers: yes, if best for small rooms is your use case. 70 + 30 W per speaker, 102 dB max. Just know that $1,199 before stands before you buy.
Do I need an amplifier for KEF LSX II?
Check the Type row in the spec table above, powered speakers plug straight in, passive pairs need a stereo amp.
Can I use KEF LSX II with my TV?
Yes, HDMI ARC · optical · USB-C · 3.5 mm. HDMI ARC is the one to use: TV remote controls volume, and it auto-wakes.
Where should I place them?
Pull them 20–30 cm from the wall, toe in slightly toward your seat, tweeter near ear height. Rear-ported boxes are the fussy ones, the difference is audible in one track.