The Marshall Kilburn III Black and Brass portable bluetooth speaker with a red-lined handle and gold control knobs on top.
Marshall Kilburn III Black and Brass portable speaker on a textured pink and yellow surface.
Close-up of the Marshall Kilburn III Black and Brass portable speaker control panel, displaying volume, bass, treble knobs, a power switch, and an input switch labeled Bluetooth and Aux.
Marshall Kilburn III Black and Brass is a stylish portable speaker with a leather strap, control knobs for volume, bass, treble, plus power switch and indicator lights.
Marshall Kilburn III Black and Brass portable speaker sits on a yellow bedspread next to a person in dark jeans.
A tattooed hand holds the Marshall Kilburn III Black and Brass portable speaker by its handle against a plain background.
Marshall Kilburn III Black and Brass portable Bluetooth speaker, featuring a gold logo and brown carrying handle, is shown from the front against a plain background.
Marshall Kilburn III Black and Brass portable speaker sits on a red patterned rug near a tan leather couch.
Text reads: THIS SPEAKER KEEPS LIVE MUSIC ALIVE. 1% of member purchases on Marshall.com supports grassroots venues.
3D

Wireless speaker with 50+ hours of portable playtime
Details

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.

Designed and engineered in Sweden. Made in Thailand.

Features
Tech Specs - Icon - Playtime (50+ hours)

50+ hours of portable playtime: Keep playing without having to stop and charge

Tech Specs - Icon - True Stereophonic

True Stereophonic: 360° sound finds you wherever you stand

Tech Specs - Icon - Dust & water-resistant (IP54)

Dust & water-resistant (IP54): Don’t worry about a splash of water or a little dirt

Tech Specs - Icon - Dynamic Loudness

Dynamic Loudness: Perfectly tuned sound whatever the volume

Tech Specs - Icon - Tactile controls

Tactile controls: Intuitive controls designed in Marshall’s signature style

Tech Specs - Icon - Charging bank

Charging bank: Use the speaker to charge your phone on the go

AUDIO SPECIFICATION
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
CONTROLS AND CONNECTIVITY
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
PHYSICAL UNIT
Weight
2.8 kg / 6.17 lb
Width
273 mm / 10.74"
Height
169 mm / 6.65"
Depth
150 mm / 5.9"
Water Resistance
IP54
Colorways
Black and Brass Cream Brown
Materials
38% of the total product is recycled
Country of origin
Designed and engineered in Sweden. Made in Thailand.
Battery
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
INCLUDED IN THE BOX
Box Contents
Speaker Usb-C to usb-C charging cable Quick start guide Legal and safety information
COMPATIBLE APPS
Apps
Marshall Bluetooth app
Support & more information

Returns, warranty & payment

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.

Marshall Kilburn III Cream portable speaker sits on a wooden chair in a room, with digitally added red paint marks on the image.

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.

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.

The Marshall Kilburn III Black and Brass portable speaker, featuring a red handle, gold control knobs, and the iconic logo on the front grille, is displayed against a dark background.
A person holds Kilburn III Cream portable speaker.

DUST & WATER-RESISTANT (IP54)

Kilburn III’s IP54 dust and water-resistant design make s 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.

DUST & WATER-RESISTANT (IP54)

Kilburn III’s IP54 dust and water-resistant design make s 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.

Marshall Kilburn III Black and Brass portable speaker, featuring a red handle, sits on a dark surface with scattered black stones, emphasizing its sleek and stylish design.

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.

A close-up of the Marshall Kilburn III black and brass portable speaker with a black body and gold control panel with volume, bass, and treble knobs, input jack, and power switch.

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.

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.

Adjusting the control knob on the Marshall Kilburn III Black and Brass portable speaker.
Close-up of the Marshall Kilburn III Black and Brass, featuring a black textured design, metal control knobs, a toggle switch, and a leather handle for easy portability.

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.

A hand plugs a cable into the input port of the Marshall Kilburn III Black and Brass portable speaker, featuring a textured finish and a leather handle.

MAKING OUR PRODUCTS LAST LONGER

We want you to enjoy your Marshall product for years to come, so we now offer authorised repair services* and spare parts for Kilburn III through our website. *Models eligible for authorised repair services may vary in different markets. Offering and expanding our repair solutions is one of our top priorities. Visit our support page for the latest information.

Product details

Playtime

50+ hours

Stereo/Mono

Stereo

Water resistance

IP54

Dimensions

273 x 150 x 169 mm

Common questions

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