Marshall Kilburn III Portable Bluetooth Speaker – Iconic Design, 360° Sound, 50+ Hours of Playtime

The Marshall Kilburn III blends legendary audio performance with a bold, timeless design built for life on the move. Engineered to deliver powerful sound in every direction, this portable speaker keeps your music alive wherever you take it — indoors or outdoors.

Iconic Marshall Design, Built to Travel

Designed and engineered in Sweden, the Kilburn III carries Marshall’s unmistakable aesthetic with premium materials and a sturdy build. Compact yet solid, it’s crafted to look as good on your shelf as it does in your hands, ready for both home and outdoor listening.

True Stereophonic 360° Sound Experience

Enjoy immersive audio with True Stereophonic sound that surrounds you from every angle. A powerful combination of a 4-inch woofer and two 2-inch full-range speakers delivers rich mids, crisp highs, and deep bass with no blind spots.

Precision-Tuned Performance at Any Volume

With Dynamic Loudness, the Kilburn III automatically adjusts bass, mids, and treble to maintain balance at every volume level. Powered by dedicated Class D amplifiers, it produces clear, distortion-free sound whether you’re listening quietly or turning it all the way up.

All-Day Battery with Charging Bank

Built for long sessions, the 50+ hours of portable playtime ensures your music lasts longer than your playlist. When needed, quick charging gives up to 8 hours of playtime in just 20 minutes, and the built-in charging bank lets you power your phone on the go.

Durable, Water & Dust Resistant Build

With an IP54 rating, the Kilburn III is protected against dust and water splashes, making it suitable for outdoor use and everyday mishaps. It’s built to handle life’s little surprises without interrupting your listening experience.

Intuitive Controls & Modern Connectivity

Signature tactile controls on the top panel let you fine-tune bass and treble, manage playback, and access presets with ease. Connect wirelessly via Bluetooth 5.3 with multipoint support, or plug in using the 3.5mm AUX input for a classic wired experience.

Quick Specs

• True Stereophonic 360° Stereo Sound
• Drivers: One 4-inch Woofer + Two 2-inch Full-Range Speakers
• Frequency Range: 45Hz – 20kHz
• Amplifiers: 1 × 30W (Woofer) + 2 × 10W (Full-Range) Class D
• Maximum Sound Pressure Level: 91 dB SPL @ 1 m
• Bluetooth 5.3 with Multipoint | AUX 3.5mm
• Codecs Supported: SBC, LC3, MPEG-2 AAC
• Battery Life: 50+ Hours | Quick Charge Supported
• Charging: USB-C 9V/3A, 5V/3A | Charging Bank Feature
• Water & Dust Resistance: IP54
• Dimensions: 273 × 169 × 150 mm | Weight: 2.8 kg
• Color Options: Black and Brass, Cream

The Marshall Kilburn III is built for those who want iconic design, powerful 360° sound, and unmatched battery life — a portable speaker that keeps the music going wherever life takes you.