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Marshall Stockwell III

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Bluetooth: Bluetooth v5.3; mini-Jack (3.5 mm); Number of channels: 2.1; Signal-to-noise ratio (dB): 88; Power (W): 127; Frequency range (Hz): 54 – 20000; Speaker synchronization: Auracast; Codec support: AAC; LC3 (LE Audio); Features: Multipoint; Bass Boost; More features: handle / strap
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Marshall Stockwell III
NewpowerfulBass BoostPower BankBluetooth v5.3synchronization (TWS)multipointAuracastAAClong battery lifeUSB-C
Connection
Sources and mediaBluetooth v5.3
mini-Jack (3.5 mm)
Acoustic characteristics
Number of channels2.1
Signal-to-noise ratio88 dB
Output power127 W
Frequency range54 – 20000 Hz
Speaker synchronizationAuracast
Codec supportAAC
LC3 (LE Audio)
FeaturesMultipoint
Bass Boost
More featureshandle / strap
Battery
Battery life40 h
USB charging portUSB-C
Power bank mode
General
WaterproofIP55
Materialplastic
Size (HxWxD)180x162x74 mm
Weight1300 g
Official Websitemarshall.com
Added to E-CatalogJuly 2026
USB-C. Bass/Treble adjustment. Signature Marshall design. Dust and splash protection. Auracast.
E-Catalog UK editor, Portable Speakers
Olexandr Cherkashche…, edited 20.07.2026
The information in the model description is for reference purposes.
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Portable Speaker Marshall Stockwell III