
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 (IP54) means it’s not bothered by a bit of dirt or a splash of water. No wonder it’s got such an obsessive following.
Q: What SPL level does it have at @5meter?
A: Kilburn III has an a Maximum Sound Pressure Level of 91dB SPL @ 1 m and approximate SPL of 77 dB @ 5 m.
Q: Can it be used as an amp for my guitar?
A: Hello, thanks for your question about the Kilburn III. The Kilburn III is not meant to be used as an amp, it is possible it will be damaged if used in this way. If you are looking for an amplifier for your guitar, check out our collection of amps on the official online store.
Q: Do I need an app to use this product?
A: We recommend that you use this product together with the Marshall Bluetooth app for the best user experience, however the speaker also works without the app.
Q: What is the wattage of the speakers ?
A: Hello Gears, thanks for your question about the Kilburn III. Marshall measures a speaker's loudness by its SPL rating. The Marshall Kilburn III has an SPL rating of 91 dB SPL @ 1m, meaning it can reach a maximum volume of 91 decibels at a distance of one meter.
Q: My item was not delvered. UPS says it was delivered to Norwalk NJ and not Norwalk CT Pls advise
A: Hello, thank you for your comment. Please reach out to the store that you made the order from for assistance.
Q: How many watts does it have?
A: Marshall measures the loudness of a speaker with its SPL rating. The Kilburn III has an SPL rating of 91 dB SPL @ 1m. This means at a distance of 1m in front of the speaker, the volume max is 91db.
Customers recognize the Kilburn III Portable Bluetooth Speaker for its great sound quality, impressive battery life, and perfect size for portability. The speaker's iconic design and flawless Bluetooth connectivity are also appreciated. However, some customers have noted that the Kilburn III is not waterproof.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

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 (IP54) means it’s not bothered by a bit of dirt or a splash of water. No wonder it’s got such an obsessive following.

With Willen II the world is your musical playground. Its lightweight design and mighty sound mean you can make any setting come alive. Turn your local park into the latest and greatest listening session or your bedroom into a stripped back gig. Thanks to its hefty 17+ hours of listening time on a single charge and fastening strap, Willen II is raring to go wherever you are. Willen II was raised for life on the road, with all the twists, turns and bumps that come with it. Its dust and waterproof design (IP67) mean that it can come along to the beach and not worry about dirt at an outdoor party. Willen II can take the hits while playing hits. Blood, sweat and a whole lot of bass went into making this second iteration even more powerful than the original Willen. Just press play and wait for those heavy basslines to make the world around you rumble. If there’s one thing we can guarantee with Willen II, it’s mighty sound at any given place or time.

As the most compact speaker in the home line-up, Acton III fits in anywhere, with sound that really stands out. Acton III has an even wider soundstage than its predecessor, delivering room-filling Marshall signature sound that has been re-engineered for a more immersive experience. This new generation of Acton has tweeters angled outwards and updated waveguides to deliver a consistently solid sound that is so wide it chases you around the room. This two-way driver system delivers a balanced sound, with crisp, soaring treble and controlled, rumbling bass. Built-in Dynamic Loudness adjusts the tonal balance of the sound, ensuring your music sounds brilliant at every volume, while Placement Compensation corrects for any nearby reflective surfaces that may affect the sound. Acton III is ready for the future of Bluetooth technology and has been built to deliver next-generation Bluetooth features the moment they are available.

As the middleweight speaker of the home line-up, Stanmore III brings expansive Marshall sound in a frame that sits proudly anywhere in your home. Stanmore III has an even wider soundstage than its predecessor, delivering home-filling Marshall signature sound, re-engineered for a more immersive experience. This new generation of Stanmore has tweeters angled outwards and updated waveguides to deliver a consistently solid sound that is so wide it chases you around the room. The two-way driver system delivers a heavy but balanced sound, with crisp, soaring treble and controlled bass that really roars. Built-in Dynamic Loudness adjusts the tonal balance of the sound, ensures your music sounds brilliant at every volume, while Placement Compensation corrects for any nearby reflective surfaces that may affect the sound. Stanmore III is ready for the future of Bluetooth technology and has been built ready to deliver next-generation Bluetooth features the moment they are available.
| Pros for Marshall - Kilburn III Portable Wireless Bluetooth Speaker with Bass / Treble / Volume Controls and 3.5 mm Auxiliary Input - Cream | |||
|---|---|---|---|
| Sound Quality, Battery Life, Portability, Design, Volume | Sound Quality, Battery Life, Portability, Design, Bass | Sound Quality, Design, Bass, Volume, Ease of use | Sound Quality, Bass, Design, Volume, Bluetooth |
| Cons for Marshall - Kilburn III Portable Wireless Bluetooth Speaker with Bass / Treble / Volume Controls and 3.5 mm Auxiliary Input - Cream | |||
| There were no cons for this product— | There were no cons for this product— | Battery Life, Power | Battery Life |