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  3. SoundLink Plus vs Stockwell III

Bose SoundLink Plus vs Marshall Stockwell III

What SoundLink Plus does better (2) and where Stockwell III wins (3) — every spec side by side.

Bose SoundLink Plus
Bose · 2025SoundLink Plus
7.5Score
2 advantages≈ $230
Higher score
vs
Marshall Stockwell III
Marshall · 2026Stockwell III
7.3Score
3 advantages≈ $240
6.3Battery8.6
5.1Build & features3.7
Dimensions

Size comparison

SoundLink PlusStockwell III
231 × 10086150 × 18172
SoundLink PlusStockwell IIIDifference
Height100 mm181 mm−81 mm
Width231 mm150 mm+81 mm
Depth86 mm72 mm+14 mm
Weight1,500 g1,300 g+200 g

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

Why is SoundLink Plus better than Stockwell III?

  1. Water resistance (IPx)IPx7 vs IPx5+40%
  2. Dust protection (IP)6 vs 5+20%

Why is Stockwell III better than SoundLink Plus?

  1. Battery life20 h vs 40 h2×
  2. Weight1,500 g vs 1,300 g+15%
  3. Charging time5 h vs 3 h+67%
Specifications

Side by side

Sound
Driver type—Dynamic
Driver size—76.2 mm
Output power—127 W
Speaker channels2.0Stereo
Channel count2—
Lowest frequency—54 Hz
Highest frequency—20,000 Hz
Adjustable equaliserYesYes
StereoYesYes
Battery & charging
Battery life20 h40 h
Charging time5 h3 h
Quick charge (claimed)—20 min → 7 h
Fast charging support—Yes
Power bank functionYesYes
Mains poweredNo—
Battery powered (portable)YesYes
Connectivity
WirelessYesYes
Bluetooth version5.35.3
Bluetooth codecs—LC3, AAC, SBC
Hi-res codec (LDAC / aptX HD / LHDC)—No
aptX—No
LDAC—No
Multipoint (two devices)—Yes
LE Audio—Yes
Auracast—Yes
USB-CYesYes
3.5 mm jack / AUX—Yes
Smart & streaming
Companion appYes—
Design & build
Weight1,500 g1,300 g
Width231 mm150 mm
Height100 mm181 mm
Depth86 mm72 mm
Protection ratingIP67IP55
Water resistance (IPx)IPx7IPx5
Dust protection (IP)65
Features
Party / stereo pairingYes—
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