Marshall Kilburn III Bluetooth Speaker

Released: 10th June 2025. Kilburn III: Portable speaker with 50+ hours of playtime Turn heads and ears with the impeccable audio and timeless design of Kilburn III. This portable speaker comes with 360° True Stereophonic sound and makes a statement wherever displayed. Its dust and water resistance rating means it’s not bothered by a bit of dirt or a splash of water. No wonder it’s got such an obsessive following.  50+ hours playtime: Portable playtime for over two days. True Stereophonic: 360° sound you can hear wherever you stand. Dust & water-resistant: IP54 rated, resistant to dust and water splashes. Dynamic Loudness: Perfect audio at every volume. Tactile controls: Intuitive controls in Marshall’s signature style. Charging bank: Use the speaker to charge your phone on the go.  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 With True Stereophonic, there’s nowhere to hide. 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) Make the most of this speaker’s durable build by using it both inside and outside your home. 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. Find the right volume for whatever you’re listening to and let us do the rest. TACTILE CONTROLS Our signature controls get you straight to what you want. Navigate features with the customisable M-button along with the Marshall Bluetooth app. Adjust your bass and treble, and turn your speaker on or off. Play, pause, and skip tracks, then use the M-button to instantly access presets. CHARGING BANK Don’t let the battery on your device let you down. 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. TECHNICAL SPECIFICATIONS AUDIO SPECIFICATION POWER AMPLIFIERS:  1x 30 W Class D Amplifier for the Woofer 2x10 W Class D Amplifiers for the Full Ranges DRIVERS: 1x 4" Woofer - 2x 2" Full-range Speakers DRIVER TYPE: Dynamic CABINET PRINCIPLE​​​​​​​: Active stereo loudspeaker with bass reflex system MAXIMUM SOUND PRESSURE LEVEL: 91 dB SPL @ 1 m FREQUENCY RESPONSE​​​​​​​: 45Hz – 20KHz EQUALISER PRESETS​​​​​​​: Find the right sound with three equaliser presets  STEREO/MONO​​​​​​​: Stereo PHYSICAL UNIT DIMENSIONS​​​​​​​: 273 x 150 x 169 mm (10.74 x 5.9 x 6.65 in) WEIGHT: 2.8 kg/6.17 LB DUST & WATER RESISTANT: IP54 (with an IP54 dust & water-resistant rating your speaker is resistant to dust & water splashes from any direction.) RECYCLED MATERIALS​​​​​​​: 38% of the total product is recycled MADE IN​​​​​​​: Thailand FREE FROM​​​​​​​: PVC BATTERY BATTERY PLAYING TIME​​​​​​​: 50+ hours BATTERY PRESERVATION MODE: Yes, available through the Marshall Bluetooth app QUICK CHARGE​​​​​​​: 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 BATTERY INFORMATION​​​​​​​: Rechargeable, replaceable, Li-ion battery POWER INPUT: USB-C 9V/3A, 5V/3A  CONTROLS AND CONNECTIVITY WIRELESS CONNECTIVITY: Bluetooth 5.3 Auracast BLUETOOTH MULTIPOINT CONNECTIVITY: Yes BLUETOOTH RANGE​​​​​​​: 10m, 32.8ft WIRED CONNECTIVITY​​​​​​​: AUX 3.5 mm  TOP PANEL CONTROLS:  Bass Treble Volume On/off Media jog M-button Bluetooth button MICROPHONE​​​​​​​: No CODECS​​​​​​​: SBC, LC3, MPEG-2 AAC INCLUDED IN THE BOX BOX CONTENTS:  Kilburn III speaker USB-C to USB-C charging cable Quick start guide Legal and Safety Information PACKAGING MATERIALS: Kilburn III is based on 96% paper of which 90% is recycled COMPATIBLE APPS Marshall Bluetooth app Software maintenance duration:  May 2028  MAKING OUR PRODUCTS LAST LONGER We want everything we make to last longer. This means taking responsibility for our products throughout their lifecycle, and improving features that will help prolong their lifespan, as well as using safe and responsibly sourced materials in both product and packaging design. Our efforts in this field are ongoing, but below are some examples of improvements we’re making. Longer lifespan: Your Marshall speaker should be enjoyed for years to come, so we build our products to be durable enough to withstand everyday wear and tear. We also design them with new features in mind so that you can get more out of them for longer. Kilburn III comes complete with Auracast technology and you can download OTA updates so that your product always has the latest software. Kilburn III also comes with a robust battery designed to last and be replaced. It has enhanced settings in the app to preserve its lifespan. Through the website [https://www.marshall.com/support] we offer authorised repair services* so your product can be fixed, and old parts will be simple to recycle. Materials: When switching to more responsible materials, we focus on recycled sources and better chemicals. 84% of the plastic in Kilburn III’s main unit is recycled,** made from preloved products including automotive parts. Kilburn III is also entirely PVC-free, including all the electrical cords.*** We have used a durable and DMFa-free, water-based vegan leather that is safer for the people in production and the environment with a post-consumer recycled polyester backing. * 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. . ** 45% of the product consists of plastic of which 84% is GRS certified post-consumer recycled plastic. Percentage breakdown is based on weight and excludes any plastic that can be found in electronical components due to the lack of detailed material knowledge in every component. *** Some unique power cables for smaller markets can't be supplied PVC free.