Marshall Kilburn III Portable Bluetooth Speaker - Kilburn III
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 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.

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.
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.
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.
Features
- 50+ hours of portable playtime: Keep playing without having to stop and charge
- True Stereophonic: 360° sound finds you wherever you stand
- Dust & water-resistant (IP54): Don’t worry about a splash of water or a little dirt
- Dynamic Loudness: Perfectly tuned sound whatever the volume
- Tactile controls: Intuitive controls designed in Marshall’s signature style
- 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 | |
| Water Resistance | IP54 |
| Colorways | Black and Brass Cream |
| 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 |

Or as low as $160.00/month over 3 months.