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  3. bel-sono vs Stockwell III

Humantechnik bel-sono vs Marshall Stockwell III

What bel-sono does better (1) and where Stockwell III wins (3) — every spec side by side.

Humantechnik bel-sono
Humantechnik · 2026bel-sono
5.6Score
1 advantage≈ $210
vs
Marshall Stockwell III
Marshall · 2026Stockwell III
7.5Score
3 advantages≈ $230
Higher score
4.3Sound7.5
5.6Battery8.8
Dimensions

Size comparison

bel-sonoStockwell III
220 × 10090150 × 18172
bel-sonoStockwell IIIDifference
Height100 mm181 mm−81 mm
Width220 mm150 mm+70 mm
Depth90 mm72 mm+18 mm
Weight717 g1,300 g−583 g

Drawn to the same scale from the official dimensions (front and side).

Why is bel-sono better than Stockwell III?

  1. Weight717 g vs 1,300 g+81%

Why is Stockwell III better than bel-sono?

  1. Battery life16 h vs 40 h2.5×
  2. Output power10 W vs 127 W12.7×
  3. Charging time4 h vs 3 h+33%
Specifications

Side by side

Sound
Driver type—Dynamic
Driver size—76.2 mm
Output power10 W127 W
Speaker channels2.0Stereo
Channel count2—
Lowest frequency—54 Hz
Highest frequency—20,000 Hz
Adjustable equaliser—Yes
StereoYesYes
Battery & charging
Battery life16 h40 h
Charging time4 h3 h
Quick charge (claimed)—20 min → 7 h
Fast charging support—Yes
Power bank function—Yes
Mains poweredNo—
Battery powered (portable)YesYes
Connectivity
WirelessYesYes
Bluetooth version—5.3
Bluetooth codecsSBCLC3, AAC, SBC
Hi-res codec (LDAC / aptX HD / LHDC)NoNo
aptXNoNo
LDACNoNo
Multipoint (two devices)—Yes
LE Audio—Yes
Auracast—Yes
USB-CYesYes
3.5 mm jack / AUX—Yes
Optical inputYes—
Design & build
Weight717 g1,300 g
Width220 mm150 mm
Height100 mm181 mm
Depth90 mm72 mm
Protection rating—IP55
Water resistance (IPx)—IPx5
Dust protection (IP)—5
ColoursGrey—
Features
Party / stereo pairingYes—
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