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  3. SOUND BOX vs Stockwell III

Cellular Line SOUND BOX vs Marshall Stockwell III

What SOUND BOX does better (0) and where Stockwell III wins (2) — every spec side by side.

Cellular Line SOUND BOX
Cellular Line · 2026SOUND BOX
0 advantages≈ $220
vs
Marshall Stockwell III
Marshall · 2026Stockwell III
7.3Score
2 advantages≈ $240
Higher score

Why is SOUND BOX better than Stockwell III?

SOUND BOX has no measurable advantages in this pair.

Why is Stockwell III better than SOUND BOX?

  1. Battery life3 h vs 40 h13.3×
  2. Output power110 W vs 127 W+15%
Specifications

Side by side

Sound
Driver type—Dynamic
Driver size—76.2 mm
Output power110 W127 W
Speaker channels—Stereo
Lowest frequency—54 Hz
Highest frequency—20,000 Hz
Adjustable equaliser—Yes
Stereo—Yes
Battery & charging
Battery life3 h40 h
Charging time—3 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-C—Yes
3.5 mm jack / AUX—Yes
Design & build
Weight—1,300 g
Width—150 mm
Height—181 mm
Depth—72 mm
Protection rating—IP55
Water resistance (IPx)—IPx5
Dust protection (IP)—5
ColoursBlack—
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