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  3. SG-286 vs SB-820BT

Marvo SG-286 vs Roadstar SB-820BT

What SG-286 does better (1) and where SB-820BT wins (0) — every spec side by side.

Marvo SG-286
Marvo · 2026SG-286
1 advantage
vs
Roadstar SB-820BT
Roadstar · 2026SB-820BT
0 advantages≈ $45
2.2Sound2.1

Why is SG-286 better than SB-820BT?

  1. Output power10 W vs 9 W+11%

Why is SB-820BT better than SG-286?

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

Specifications

Side by side

Sound
Output power10 W9 W
Speaker channels2.02.0
Channel count22
SubwooferNoneNone
Lowest frequency60 Hz—
Highest frequency20,000 Hz—
StereoYesYes
Battery & charging
Battery capacity—2,200 mAh
Mains poweredYesYes
Battery powered (portable)NoYes
Connectivity
WirelessYesYes
Bluetooth version5.3—
USB-C—Yes
3.5 mm jack / AUXYes—
Design & build
Weight—950 g
Width—780 mm
ColoursBlackBlack
Features
Placementim Regal, vor dem Fernseher, unter dem Fernseher—
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