Marshall Stockwell III Cream Portable Speaker

Marshall Stockwell III Cream — Portable Bluetooth Speaker with True Stereophonic 360° Sound

The Marshall Stockwell III Cream is the latest generation of the brand's most compact portable Bluetooth speaker, built around the same guitar-amp-inspired silhouette that defines Marshall's home audio line. Inside the sealed cabinet sits a 76 mm woofer paired with two 44 mm wide-band drivers, powered by dedicated Class D amplifiers that deliver Marshall's signature tone in every direction. The cream finish, brass control panel, and leather carrying strap give it the look of a stage amp shrunk down to 1.3 kg. At 180 × 162 × 74 mm, it fits on a shelf or a picnic blanket without dominating the space. This portable Bluetooth speaker carries the Marshall heritage into the garden, the kitchen, and the road.

What Sets the Stockwell III Apart

True Stereophonic is Marshall's unique multi-directional sound technology, custom-tuned so the speaker produces a sound image that stays consistent from every angle — no sweet spot required. Dynamic Loudness automatically balances bass, treble, and mid-range frequencies at any volume, so the kick and clarity hold up whether the room is quiet or the party is loud. Tactile brass-panel controls — bass, treble, volume, M-button, and media jog — let the listener adjust the sound by feel, without unlocking a phone.

Audio, Battery, and Build Specifications

The Stockwell III is engineered for all-day portability without compromising on output or durability. A rechargeable, replaceable Li-ion battery delivers 40+ hours of playtime per charge, and 20 minutes of USB-C PD charging returns 7 hours of listening. The IP55 rating protects against dust ingress and low-pressure water jets from any direction.

• Drivers: One 76 mm woofer + two 44 mm wide-band drivers — sealed cabinet with passive radiator for tight, room-filling bass
• Amplification: One 65 W Class D for the woofer, two 31 W Class D for the wide-band drivers — total 127 W of clean, efficient power
• Battery: 40+ hours playtime, replaceable Li-ion, <3 hours full recharge — quick-charge to 7 hours in 20 minutes via 30 W USB-C PD
• Connectivity: Bluetooth 5.3 with Auracast and multipoint, 3.5 mm AUX, USB-C charge-out 5 V / 3.0 A — pair two devices, plug in, or top up a phone on the go
• Build: IP55 dust and water resistant, 180 × 162 × 74 mm, 1.3 kg, 27% recycled materials — compact, repairable, and built to last

Who the Stockwell III Cream Is For

This portable Bluetooth speaker is the right choice for listeners who want authentic Marshall tone in a take-anywhere package — apartment dwellers, garden hosts, and weekend travellers who prefer analog-style controls over an app. The replaceable battery, repairable grille and strap, and 27% recycled construction make it a smart pick for buyers who care about longevity. At 1.3 kg with a leather strap, it slips into a bag without dominating the space, and IP55 protection means a sudden rain shower won't end the session.