Marshall Kilburn III BT Speaker Brown - ZD.1007974

Marshall Kilburn III Portable Bluetooth Speaker — Brown | 50+ Hours Playtime | True Stereophonic 360° Sound | IP54 Dust & Water Resistant | USB-C Power Bank | Tactile Controls | M-Button Presets | Marshall App

The Marshall Kilburn III in Brown is a portable Bluetooth speaker that represents a groundbreaking evolution of one of Marshall's most beloved speaker lines — a completely reengineered acoustic design that delivers powerful, high-quality sound in true rock 'n' roll spirit, now with an industry-leading 50+ hours of portable playtime that more than doubles the battery life of its predecessor. This is a speaker built for both inside and outside your home — free from wires and power supplies, able to move effortlessly from the bedroom to the balcony to the garden and back without ever interrupting your music. With over 50 hours of playtime on a single charge, the Kilburn III is genuinely a speaker where your playlist is far more likely to run out before the battery does — covering an entire weekend of listening without ever needing to reach for a charger. The warm Brown colourway, paired with Marshall's classic amp-inspired aesthetic, signature fret design and guitar-inspired carrying strap, gives the Kilburn III the timeless, instantly recognisable look that has made Marshall speakers as much a design statement as an audio product.

The defining acoustic feature of the Kilburn III is True Stereophonic — Marshall's unique form of multi-directional sound that delivers absolute 360-degree audio with no blind spots whatsoever. Thanks to a carefully engineered stereo driver arrangement, improved acoustic tuning and wide-band drivers, the Kilburn III ensures that every spot in the room is a sweet spot — sound finds you wherever you are standing, with well-rounded mids, crisp highs and bass that digs genuinely deep regardless of your position relative to the speaker. This 360-degree dispersion makes the Kilburn III ideal for filling a room, a garden or a gathering with even, immersive sound rather than the narrow, directional output of conventional front-firing speakers. The speaker has been specifically engineered so that the bass, mids and treble all adjust and balance perfectly no matter the volume — meaning you can turn the music right up to fill a large space without compromising on any musical detail, clarity or tonal balance. The result is a harmonious blend of bass, mids and treble at every volume level, from quiet background listening to full-volume party output.

The IP54 dust and water-resistant design makes the Kilburn III genuinely ready for life both indoors and outdoors — protected from limited dust ingress and water splashes from any direction, so it can handle a splash of water by the pool, a bit of dirt in the garden or an accidental spill from an overexcited house guest without any concern. This rugged, real-world durability means the Kilburn III is not a speaker that needs to be treated delicately or kept away from the realities of everyday use — it is built to go where the music goes and withstand whatever the environment throws at it. The integrated USB-C power bank function adds a genuinely practical everyday benefit — allowing you to charge your phone directly from the speaker whenever your device needs a boost. Simply plug your phone into the Kilburn III and let the speaker top up your battery while the music keeps playing, turning the Kilburn III into a portable power source as well as a sound system.

The signature Marshall controls on the top panel get you straight to your music with the tactile, hands-on experience that defines the brand. Whether you want to customise your bass and treble, turn the speaker on or off, play, pause and skip tracks, or use the dedicated M-button to instantly access your saved presets, the Kilburn III's analogue-style controls deliver immediate, intuitive command over your listening experience without needing to reach for your phone. The Marshall Bluetooth app extends this control further — allowing you to fine-tune the EQ, save custom presets and keep the speaker's firmware up to date with the latest features and improvements. Equipped with the latest Bluetooth connectivity for stable, high-quality wireless streaming, the Kilburn III is designed and engineered in Sweden and built to be enjoyed for years to come — with authorised repair services and spare parts available to extend its lifespan well beyond that of a disposable speaker. For anyone who wants powerful, room-filling 360-degree sound, exceptional battery life and genuine everyday durability in a speaker that looks as iconic as it sounds, the Marshall Kilburn III is the definitive portable choice.