
Customers commend the Kilburn III speaker for its incredible sound quality, impressive battery life, and perfect size for portability. The speaker's iconic design and flawless Bluetooth connectivity are also appreciated. Additionally, users find the volume suitable for loud music and value the IP54 rated dust and water resistance.
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.

Take music wherever you go with this Marshall Kilburn II Bluetooth speaker. It produces clear midrange sound with deep, powerful bass, and it provides 20 hours of playtime on a single charge, so you can listen to playlists all day. This Marshall Kilburn II Bluetooth speaker has a solid metal grille for durability.

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.

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 - Black/Brass | |||
|---|---|---|---|
| Sound Quality, Design, Battery Life, Portability, Connectivity | There were no pros for this product— | Sound Quality, Design, Bass, Volume, Bluetooth | There were no pros for this product— |
| Cons for Marshall - Kilburn III Portable Wireless Bluetooth Speaker with Bass / Treble / Volume Controls and 3.5 mm Auxiliary Input - Black/Brass | |||
| There were no cons for this product— | There were no cons for this product— | Battery Life | There were no cons for this product— |