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Parade aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Key Points The Marshall Kilburn II Portable Bluetooth Speaker offers 20+ hours of playtime. Features include water resistance, multi-host bluetooth and analogue control knobs. Priced at $199.99, it's praised for its powerful audio and vintage-inspired design. Finding a truly portable Bluetooth speaker that delivers high-fidelity sound without needing to be constantly chained to an outlet can feel like a logistical challenge. Most speakers sacrifice either battery life or audio quality for size, leaving you with tiny music that dies halfway through a backyard barbecue. Having a single, rugged and road-ready speaker that not only pumps out signature sound but can last all weekend is the ultimate game-changer for any audiophile on the move. That’s precisely where the Marshall Kilburn II Portable Bluetooth Speaker comes in. Engineered to bring the power of rock ‘n’ roll to your life wherever you go, this speaker’s impressive rechargeable battery provides 20 plus hours of portable playtime on a single charge. The massive battery life ensures that the music keeps playing long after the campfire has gone out, making it the essential soundtrack for road trips, beach days and spontaneous adventures. It delivers perfectly balanced audio that is clear, powerful and distinctly Marshall, filling even large spaces with rich sound. 🎬 SIGN UP for Parade’s Daily newsletter to get the latest pop culture news & celebrity interviews delivered right to your inbox 🎬 Marshall Kilburn II Portable Bluetooth Speaker, $199.99 at Costco Durability is key for any outdoor speaker, and the Kilburn II is built like a roadie’s gear. Featuring rugged and durable construction and an IPX2 water-resistance rating, this speaker can handle a few splashes and bumps along the way. Beyond its tough exterior, the speaker offers seamless bluetooth connectivity and convenient multi-host functionality, allowing two different people to connect and take turns playing their tunes—perfect for sharing DJ duties at a party. True music purists will appreciate the personalized control offered by the dedicated analogue control knobs on the top panel. These tactile controls allow you to fine-tune the bass, treble and volume to your exact preference, dialing in the perfect sound for any genre or environment. It’s a nostalgic nod to Marshall’s iconic amplifier heritage, giving you full command over your audio experience. With manageable dimensions of 9.57 x 6.42 x 5.51-inches, this speaker is portable yet powerful, packing a huge sound into a relatively compact frame. Fans who have used the speaker appreciate its authentic vintage-inspired design and punchy, loud audio performance. As one user noted on Costco’s website, the Kilburn II delivers “great sound for a small speaker” and that other brands “don’t sound as good as the Marshall.” The speaker is so good, the user noted that they’re considering getting a second! The combination of classic looks and modern performance makes the Kilburn II stand out from the crowd of plastic, mass-market speakers. The Marshall Kilburn II is an essential upgrade for anyone seeking a high-performance portable bluetooth speaker, blending marathon battery life, superior Marshall Signature Sound, and authentic design. And the best part? You can own this legendary sound experience for an incredibly compelling price of $199.99, making it an unparalleled deal for premium portable audio.