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

New powerful Bass Boost Power Bank Bluetooth v5.3 synchronization (TWS)multipoint Auracast AAC long battery life USB-C

Connection
Sources and media	Bluetooth v5.3 mini-Jack (3.5 mm)


Acoustic characteristics
Number of channels	2.1
Signal-to-noise ratio	88 dB
Output power	127 W
Frequency range	54 – 20000 Hz
Speaker synchronization	Auracast
Codec support	AAC LC3 (LE Audio)
Features	Multipoint Bass Boost
More features	handle / strap

Battery
Battery life	40 h
USB charging port	USB-C
Power bank mode


General
Waterproof	IP55
Material	plastic
Size (HxWxD)	180x162x74 mm
Weight	1300 g
Official Website	marshall.com
Added to E-Catalog	July 2026

USB-C. Bass/Treble adjustment. Signature Marshall design. Dust and splash protection. Auracast.

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.