KILBURN III
Wireless speaker with 50+ hours of portable playtime
Turn heads and ears with the impeccable audio and timeless design of Kilburn III. 360° True Stereophonic sound keeps the music hitting all the right notes from wherever you’re standing. No wonder it’s got such an obsessive following.

50+ HOURS OF PORTABLE PLAYTIME
A speaker for inside and outside your home. Start track one in the bedroom, then listen to the encore on the balcony. With 50+ hours of portable playtime, your playlist will probably run out before the battery.
TRUE STEREOPHONIC
360° sound finds you wherever you’re standing thanks to a stereo arrangement with no blind spot. Take in well-rounded mids, crisp highs, and bass that digs deep with improved tuning and wide band drivers.


DUST & WATER-RESISTANT (IP54)
Kilburn III’s IP54 dust and water-resistant design makes it ready to deal with a splash of water or a bit of dirt. It won’t be bothered about a little spill from an overexcited house guest either.
DYNAMIC LOUDNESS
Turn the music right up without compromising on any musical detail. Kilburn III has been designed so that the bass, mids, and treble adjust perfectly no matter the volume.


TACTILE CONTROLS
Whether you want to customise your bass and treble, turn your speaker on or off, play, pause, and skip tracks, or use the M-button to instantly access presets, our signature controls get you straight there.
CHARGING BANK
Power up your playlists and use Kilburn III to charge your phone whenever it needs a boost. Just plug in, and let your speaker do the rest.

SPECIFICATIONS
- Driver Type: Dynamic
- Frequency range: 45Hz – 20KHz
- Drivers: One 4 inches Woofer, Two 2 inches Full-range Speakers
- Stereo/mono: Stereo
- Maximum sound pressure level: 91 dB SPL @ 1 m
- Cabinet principle: Active stereo loudspeaker with bass reflex system
- Power Amplifiers: One 30 Watt Class D Amplifier for the Woofer, Two 10 Watt Class D Amplifiers for the Full Ranges
- Wireless connectivity: Bluetooth 5.3 Auracast
- Wired connectivity: AUX 3.5 mm
- Bluetooth range: 10m, 32.8ft
- Top panel controls: Bass, Treble, Volume, On/off, Media jog, M-button, Bluetooth button
- Codecs: SBC, LC3, MPEG-2 AAC
- Microphones: No
- Bluetooth Multipoint Connectivity: Yes
- Dimensions: 273×150×169 mm (10.74×5.9×6.65in)
- Weight: 2.8 kg (6.17 lb)
- Water Resistance: IP54
- Colourways: Black and Brass, Cream
- Materials: 38% of the total product is recycled
- Play time: 50+ hours
- Battery type: Rechargeable, replaceable, Li-ion battery
- Battery Preservation: Yes
- Quick Charging: 20 minutes of charge time gives 8 hours of playtime with a 30W USB-C PD charger
- Charging time: 3 hours to full recharge with a 30W USB-C PD Charger
- Power input: USB-C 9V/3A, 5V/3A
- Speaker
- USB-C to USB-C charging cable
- Quick start guide
- Legal and safety information
- Marshall Bluetooth app
COMMON QUESTIONS
I. Pull the power switch towards the front until the speaker turns on.
II. Push and hold the Bluetooth button until the LED turns to a slow pulse.
III. Select Kilburn III from your audio device’s Bluetooth list
No, you don’t need an app to use this product. However, we recommend using the Marshall Bluetooth app for the best user experience and to keep your product updated with the latest software.
Kilburn III is IP54-rated meaning that it is protected from limited dust ingress and water splashes from any direction.
True Stereophonic is Marshall’s unique form of multi-directional sound, delivering absolute 360° sound with no blind spots. Thanks to a stereo arrangement, improved tuning, and wide-band drivers, every spot is a sweet spot, with well-rounded mids, crisp highs, and deep bass.
Kilburn III has been completely reengineered with a new acoustic concept, a new design, and new interactions. It now features USB-C charging, app support, and Auracast™ for an even better experience.