
The Marshall Emberton III features a dual-driver configuration with opposing 10-watt full-range drivers and dual passive radiators, delivering 20 watts of total power output through Marshall's True Stereophonic technology that creates multidirectional sound dispersion. The compact cylindrical enclosure measures approximately 6.3-by-2.7-by-2.7 inches and weighs 1.5 pounds, incorporating Marshall's signature textured vinyl covering, metal grille, and embossed logo. IP67 certification provides dust-tight sealing and water resistance up to 1 meter depth for 30 minutes, enabling outdoor use in adverse conditions. The 2,600mAh battery delivers over 30 hours of playback at moderate volume levels, a significant improvement over previous generations, charging via USB-C with wireless Qi charging compatibility. Bluetooth 5.3 connectivity includes LE Audio support and Auracast capability for broadcasting audio to multiple compatible devices simultaneously, while the Stack Mode feature enables wireless pairing of multiple Emberton III units for expanded soundstage.
Designed as Marshall's ultra-portable interpretation of their amplifier heritage, the Emberton III prioritizes 360-degree sound projection over directional stereo imaging, making speaker placement less critical during outdoor gatherings or room listening. The True Stereophonic system processes audio to maintain spatial characteristics regardless of listener position relative to the speaker—a departure from traditional left-right stereo separation that requires specific positioning. The extended 30+ hour battery life addresses the primary limitation of portable speakers during multi-day camping trips, festivals, or extended outdoor events where charging access remains limited. The IP67 rating and durable construction enable use in environments where premium speakers typically face risk, poolside, beaches, construction sites, or workshops. This combination of Marshall's distinctive visual identity, omnidirectional audio design, exceptional battery endurance, and rugged weatherproofing positions the Emberton III as a versatile portable speaker for users prioritizing sound quality and durability over smart features, voice assistants, or multi-room streaming ecosystems that require constant connectivity and app management.


