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: 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.

Whether you’re the go-to DJ in your crew or a curator with the best playlists, the Bose SoundLink Max Speaker is the ultimate party starter. The stereo sound and deep bass turn good times to the max, letting you feel the music from your head to your toes. And with a trendy removable handle, you can take the party anywhere. Water and dust-proof features mean it’s perfect for a poolside, beach, or rooftop hang. And when someone spills a drink or you run into unexpected showers, it never knocks the vibe. Amp up the party even more when you link two SoundLink Max Speakers. Choose Stereo Mode for left and right channels, or go for Party Mode for the biggest, boldest sound. Thanks to the epic battery life, you can keep bumping the playlist for up to 20 hours*, so the party can start in the day and carry on through the late night. Phone battery is running low? The USB-C port has got you covered. Power up from the speaker’s built-in battery. Get yours in Black or Blue Dusk.

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.

Put your playlist through its paces. Featuring 30+ hours of portable playtime and a durable build, Middleton II prefers life on the road. With 360° sound thanks to True Stereophonic, you won’t miss a beat from anywhere you stand. Adjusting the bass and treble is also simple thanks to the Marshall Bluetooth app and tactile controls on the top panel of your speaker.
| Pros for Marshall - Kilburn III Portable Wireless Bluetooth Speaker with Bass / Treble / Volume Controls and 3.5 mm Auxiliary Input - Cream | |||
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| 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— |