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  3. Clear Sound 400 vs TX-311

Alphatronics Clear Sound 400 vs Technaxx TX-311

What Clear Sound 400 does better (1) and where TX-311 wins (1) — every spec side by side.

Alphatronics Clear Sound 400
Alphatronics · 2025Clear Sound 400
3.7Score
1 advantage
Higher score
vs
Technaxx TX-311
Technaxx · 2025TX-311
1 advantage≈ $45
2.5Sound2.3

Why is Clear Sound 400 better than TX-311?

  1. Lowest frequency50 Hz vs 100 Hz2×

Why is TX-311 better than Clear Sound 400?

  1. Highest frequency18,000 Hz vs 20,000 Hz+11%
Specifications

Side by side

Sound
Output power30 W30 W
Speaker channels—2.0
Channel count—2
SubwooferNoneNone
Lowest frequency50 Hz100 Hz
Highest frequency18,000 Hz20,000 Hz
Adjustable equaliserYes—
Stereo—Yes
Battery & charging
Mains poweredYesYes
Battery powered (portable)NoNo
Connectivity
WirelessYesYes
Bluetooth version55
3.5 mm jack / AUXYes—
HDMI eARC / ARCYes—
HDMI inputs11
Optical inputYes—
Design & build
Weight1,100 g—
Width404 mm780 mm
ColoursBlackBlack
Features
Remote control—Yes
Placement—im Regal, vor dem Fernseher
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