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: Is the carrying strap made out of leather?
A: Hello, thank you for your question. There are no leather components in Marshall products, we use leather-like material only. All Marshall products are vegan-friendly.
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.

Retro style and superior sound that go great together—anywhere. Enjoy retro style, amazing audio, and built-in dual voice assistants anywhere in your home. With the JBL Authentics 300 speaker’s leatherlike enclosure, convenient metal handle, and built-in rechargeable battery, you can take your music with you—from the kitchen for your dinner-prep playlist to the bedroom for your wind-down podcast. Its retro ‘70s-inspired design featuring the iconic Quadrex grille makes a bold statement anywhere you set it down. And so do its wide soundstage, crystal-clear highs, and deep bass. With Google Assistant and Amazon Alexa available simultaneously, you can play your favorite music, control your smart home devices, and more, hands-free, using just your voice.

Built for life on the road, this compact portable speaker offers 20+ hours of playtime. Weighing only 3 lbs, Stockwell II packs a solid punch despite its pint-sized frame. Stockwell II utilises True Stereophonic, a unique form of multi-directional sound from Marshall. Experience absolute 360° sound where every spot is a sweet spot. Three class D amplifiers power its subwoofer, front and rear facing tweeters, for a sound that’s brilliantly powerful and clear. In addition, Bluetooth 5.0 technology allows you to connect to a variety of wireless devices with a range of 33 feet.

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.
| Pros for Marshall - Kilburn III Portable Wireless Bluetooth Speaker with Bass / Treble / Volume Controls and 3.5 mm Auxiliary Input - Black/Brass | |||
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| 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— | There were no cons for this product— |