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  3. Clear Sound 400 vs XIO

Alphatronics Clear Sound 400 vs KEF XIO

What Clear Sound 400 does better (0) and where XIO wins (0) — every spec side by side.

Alphatronics Clear Sound 400
Alphatronics · 2025Clear Sound 400
3.7Score
0 advantages
Higher score
vs
KEF XIO
KEF · 2025XIO
0 advantages≈ $2,500
2.5Sound4.8

Why is Clear Sound 400 better than XIO?

Clear Sound 400 has no measurable advantages in this pair.

Why is XIO better than Clear Sound 400?

XIO has no measurable advantages in this pair.

Specifications

Side by side

KEF XIOKEF XIO≈ $2,500
Sound
Output power30 W—
Speaker channels—5.1.2
Channel count—5.1
SubwooferNoneNone
Lowest frequency50 Hz—
Highest frequency18,000 Hz—
Dolby Atmos—Yes
DTS:X—Yes
Adjustable equaliserYes—
Stereo—Yes
Battery & charging
Mains poweredYesYes
Battery powered (portable)NoNo
Connectivity
WirelessYesNo
Bluetooth version5—
3.5 mm jack / AUXYes—
HDMI eARC / ARCYes—
HDMI inputs1—
Optical inputYes—
Design & build
Weight1,100 g—
Width404 mm—
ColoursBlack—
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