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  3. 2.1-Soundbar vs SB-820BT

Auvisio 2.1-Soundbar vs Roadstar SB-820BT

What 2.1-Soundbar does better (2) and where SB-820BT wins (0) — every spec side by side.

Auvisio 2.1-Soundbar
Auvisio · 20262.1-Soundbar
2 advantages≈ $55
vs
Roadstar SB-820BT
Roadstar · 2026SB-820BT
0 advantages≈ $60

Why is 2.1-Soundbar better than SB-820BT?

  1. SubwooferWireless subwoofer included vs None
  2. Channel count3 vs 2+50%

Why is SB-820BT better than 2.1-Soundbar?

SB-820BT has no measurable advantages in this pair.

Specifications

Side by side

Sound
Output power—9 W
Speaker channels3.02.0
Channel count32
SubwooferWireless subwoofer includedNone
Adjustable equaliserYes—
StereoYesYes
Battery & charging
Battery capacity—2,200 mAh
Mains poweredYesYes
Battery powered (portable)NoYes
Connectivity
WirelessYesYes
Bluetooth version5—
USB-C—Yes
3.5 mm jack / AUXYes—
Optical inputYes—
Design & build
Weight—950 g
Width—780 mm
ColoursBlackBlack
Features
Remote controlYes—
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