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  3. Clear Sound 400 vs True X Surround 90A

Alphatronics Clear Sound 400 vs Yamaha True X Surround 90A

What Clear Sound 400 does better (2) and where True X Surround 90A wins (1) — every spec side by side.

Alphatronics Clear Sound 400
Alphatronics · 2025Clear Sound 400
3.7Score
2 advantages
Higher score
vs
Yamaha True X Surround 90A
Yamaha · 2025True X Surround 90A
1 advantage≈ $2,600

Why is Clear Sound 400 better than True X Surround 90A?

  1. Weight1,100 g vs 11,000 g10×
  2. Bluetooth version5 vs 4.2+19%

Why is True X Surround 90A better than Clear Sound 400?

  1. SubwooferNone vs Wireless subwoofer included
Specifications

Side by side

Sound
Output power30 W—
SubwooferNoneWireless subwoofer included
Lowest frequency50 Hz—
Highest frequency18,000 Hz—
Dolby Atmos—Yes
DTS:X—Yes
Adjustable equaliserYes—
Battery & charging
Mains poweredYesYes
Battery powered (portable)NoNo
Connectivity
WirelessYesYes
Bluetooth version54.2
3.5 mm jack / AUXYes—
HDMI eARC / ARCYes—
HDMI inputs11
Optical inputYesYes
Ethernet—Yes
Smart & streaming
Wi-Fi—Yes
Design & build
Weight1,100 g11,000 g
Width404 mm1,180 mm
Height—85 mm
Depth—143 mm
ColoursBlackBlack
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