{"product_id":"marshall-kilburn-iii-portable-bluetooth-speaker-50-hour-playtime","title":"Marshall Kilburn III Portable Bluetooth Speaker - 50+ Hour Playtime","description":"\u003cp\u003eOur review of the Marshall Kilburn III finds a portable Bluetooth speaker aimed at listeners who want full-bodied sound and long battery life without compromising classic Marshall styling. The Kilburn III's single biggest appeal is its combination of \u003cstrong\u003e360 True Stereophonic sound\u003c\/strong\u003e and over 50 hours of playtime, which makes it a reliable companion for multi-day trips, home listening and small gatherings. It is also built to handle everyday spills and dust with an IP54 rating, so it suits both indoor and outdoor use where rougher conditions are possible.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong battery life:\u003c\/strong\u003e Over 50 hours of portable playtime gives days of listening between charges, reducing the need to hunt for power on trips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue stereophonic 360 sound:\u003c\/strong\u003e The design spreads sound so the voice and instruments remain balanced no matter where you stand around the speaker.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDust and water resistance:\u003c\/strong\u003e An IP54 rating keeps the speaker protected from dust and water splashes so it survives casual outdoor use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Loudness:\u003c\/strong\u003e Automatic loudness shaping preserves clarity and punch as you raise volume, which helps keep bass and mids balanced in larger rooms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTactile controls:\u003c\/strong\u003e Physical knobs and switches provide intuitive control over volume and tone both on the unit and through app-based adjustments for bass and treble.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging bank:\u003c\/strong\u003e A convenient USB output lets the speaker double as a power source to top up a phone when needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Kilburn III suits listeners who value sound quality and design in a portable package: people who move between rooms, take a speaker to small outdoor gatherings, or want a stylish desktop speaker. Its long battery life and robust volume make it especially useful for multi-day trips or spaces where access to power is limited.\u003c\/p\u003e\n\u003cp\u003eThose who need fully waterproof gear for poolside use or heavy rain should look elsewhere, as the IP54 rating protects from splashes but is not intended for immersion. Audiophiles seeking studio-accurate monitors may also prefer a different class of speaker for critical listening.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExcellent, room-filling sound that retains clarity at higher volumes based on the speaker's \u003cstrong\u003eTrue Stereophonic design\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eVery long battery life, delivering over two days of typical use without recharge.\u003c\/li\u003e\n\u003cli\u003eSolid build and tactile controls that feel premium and give quick hands-on adjustment.\u003c\/li\u003e\n\u003cli\u003eIP54 protection adds confidence for occasional outdoor use and dusty environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIP54 rating means it resists splashes and dust but is not fully waterproof for poolside immersion.\u003c\/li\u003e\n\u003cli\u003eLarge sound and styling may be more than needed for strictly portable, ultralight packing needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eMarshall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eKilburn III\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlayback time\u003c\/td\u003e\n\u003ctd\u003e50 plus hours of portable playtime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSound\u003c\/td\u003e\n\u003ctd\u003eTrue Stereophonic 360 sound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIngress protection\u003c\/td\u003e\n\u003ctd\u003eIP54 dust and water-resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControls\u003c\/td\u003e\n\u003ctd\u003eTactile physical knobs and app-based tone controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtras\u003c\/td\u003e\n\u003ctd\u003eCharging bank to charge a phone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Kilburn III is a strong choice for anyone who wants a handsome, durable Bluetooth speaker with big, clear sound and exceptional battery life. It pairs Marshall styling and tactile controls with practical outdoor resistance, making it good value for users who prize both form and function without needing full waterproofing.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does the battery last on a single charge?\u003c\/strong\u003e\u003cbr\u003eThe speaker delivers over 50 hours of portable playtime under typical listening conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the speaker waterproof?\u003c\/strong\u003e\u003cbr\u003eNo, it has an IP54 rating which protects against dust and splashes but not full immersion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I adjust bass and treble?\u003c\/strong\u003e\u003cbr\u003eYes, the speaker offers tactile controls on the unit and additional app-based bass and treble adjustments.\u003c\/p\u003e","brand":"Marshall","offers":[{"title":"Default Title","offer_id":48227001139419,"sku":"B0F96FWCDF","price":379.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81KKWBrgd2L._AC_SL1500.jpg?v=1770839438","url":"https:\/\/gearmusthave.com\/products\/marshall-kilburn-iii-portable-bluetooth-speaker-50-hour-playtime","provider":"GearMustHave","version":"1.0","type":"link"}