Marshall Stockwell III Portable Bluetooth Speaker – Cream

Take powerful Marshall signature sound wherever you go with the Marshall Stockwell III Portable Bluetooth Speaker – Cream. Designed for life on the move, Stockwell III delivers 40+ hours of portable playtime on a single charge, giving you the freedom to enjoy music from morning to night without interruption. Its compact yet rugged design features a convenient carrying strap, making it easy to bring your favourite music everywhere.

Experience True Stereophonic 360° sound, Marshall’s unique multi-directional audio technology that provides the same quality, depth, and fullness of sound from every angle. Whether you're relaxing indoors, creating in the studio, or spending time outdoors, Stockwell III fills the space with rich, balanced audio.

Built to handle everyday adventures, Stockwell III features an IP55 dust and water resistance rating, allowing it to withstand dust, splashes, and daily knocks. Dynamic Loudness technology continuously adjusts bass and treble response, ensuring clear, balanced sound and preserving musical detail at any volume level.

The speaker's iconic Marshall-inspired brass control panel includes tactile controls for bass, treble, volume, media playback, Bluetooth pairing, and preset access. A dedicated power button, M-button, and media jog control provide quick and intuitive operation.

Stockwell III also functions as a charging bank, allowing you to charge compatible devices through its USB-C output while continuing to enjoy your music. The rechargeable lithium-ion battery is consumer-replaceable, and the Marshall Bluetooth app offers enhanced battery preservation settings to help extend battery lifespan.

With sustainability in mind, Stockwell III contains 27% recycled material by weight, including recycled plastics, aluminium alloy, and neodymium components, helping reduce the need for virgin materials and lowering environmental impact.

Designed and engineered in Sweden and made in China, the Marshall Stockwell III combines portability, durability, and powerful performance in a timeless design.

Key Features

• 40+ hours of portable playtime on a single charge
• True Stereophonic 360° sound for immersive multi-directional audio
• IP55 dust and water resistance
• Dynamic Loudness for balanced sound at all volume levels
• Marshall-inspired tactile controls with brass control panel
• Built-in charging bank via USB-C
• Bluetooth 5.3 with Auracast support
• Bluetooth Multipoint connectivity
• Consumer-replaceable rechargeable battery
• Battery preservation settings via Marshall Bluetooth app
• Made with 27% recycled materials by weight

Audio Specifications

• Driver Type: Dynamic
• Drivers:
  • One 3-inch woofer
  • Two 1.75-inch wide-band drivers
• Frequency Range: 54 Hz – 20,000 Hz
• Stereo/Mono: Stereo
• Maximum Sound Pressure Level: 86 dB SPL @ 1 m
• Cabinet Principle: Sealed with passive radiator
• Equaliser: Yes

Power Amplifiers

• One 65W Class D amplifier for woofer
• Two 31W Class D amplifiers for wide-band drivers

Connectivity & Controls

Wireless Connectivity

• Bluetooth 5.3
• Auracast
• Bluetooth Multipoint Connectivity
• Bluetooth Range: Up to 10 m / 32.8 ft

Wired Connectivity

• AUX 3.5 mm
• USB-C

Supported Codecs

• SBC
• LC3
• MPEG-2 AAC

Top Panel Controls

• Bass
• Treble
• Volume
• Power On/Off
• Media Jog
• M-button
• Bluetooth Button

USB Specifications

• USB-C
• Charge Output: 5V, 3.0A

Battery Performance

• Battery Type: Rechargeable, replaceable Li-ion battery
• Playtime: 40+ hours
• Charging Time: Less than 3 hours with a 30W USB-C PD charger
• Quick Charge: 20 minutes charging provides up to 7 hours of playtime with a 30W USB-C PD charger
• Power Input: USB-C 9V/3A, 5V/3A
• Battery Preservation: Yes
• Exchangeable Battery: Yes

Physical Specifications

• Dimensions: 180 × 162 × 74 mm
• Width: 162 mm / 6.4 in
• Height: 180 mm / 7.1 in
• Depth: 74 mm / 2.9 in
• Weight: 1.3 kg / 2.9 lb
• Water Resistance: IP55
• Colour: Cream
• Materials: 27% recycled content by total product weight
• Repairability: Yes

In The Box

• Marshall Stockwell III Speaker
• Carrying Strap
• USB-C to USB-C Charging Cable
• Quick Start Guide
• Legal and Safety Information

Compatible App

• Marshall Bluetooth App