How we scoreBlogAdvertise
Amidioheadphones · speakers · earbuds
  1. Amidio
  2. Compare
  3. Clear Sound 400 vs SB300

Alphatronics Clear Sound 400 vs Reflexion SB300

What Clear Sound 400 does better (0) and where SB300 wins (2) — every spec side by side.

Alphatronics Clear Sound 400
Alphatronics · 2025Clear Sound 400
3.7Score
0 advantages
Higher score
vs
Reflexion SB300
Reflexion · 2025SB300
2 advantages≈ $25

Why is Clear Sound 400 better than SB300?

Clear Sound 400 has no measurable advantages in this pair.

Why is SB300 better than Clear Sound 400?

  1. Output power30 W vs 40 W+33%
  2. Bluetooth version5 vs 5.3+6%
Specifications

Side by side

Sound
Output power30 W40 W
SubwooferNoneNone
Lowest frequency50 Hz—
Highest frequency18,000 Hz—
Adjustable equaliserYes—
Battery & charging
Mains poweredYesYes
Battery powered (portable)NoYes
Connectivity
WirelessYesYes
Bluetooth version55.3
3.5 mm jack / AUXYesYes
HDMI eARC / ARCYes—
HDMI inputs1—
Optical inputYes—
Design & build
Weight1,100 g—
Width404 mm780 mm
ColoursBlackBlack
Features
Placement—an der Wand
To compare: 0up to 4 models
Compare