This stout-hearted hero utilises True Stereophonic, a unique form of multi-directional sound from Marshall. Experience absolute 360° sound where every spot is a sweet spot. Powered by 36 watts, its pronounced and articulate sound pushes the boundaries for a speaker of this size.

Marshall Kilburn III – Portable Bluetooth Speaker with 50+ Hours of Playtime

Take powerful Marshall sound wherever you go with the Marshall Kilburn III, a premium portable Bluetooth speaker combining iconic Marshall design, powerful stereo sound and an impressive 50+ hours of portable playtime.

Designed for both indoor and outdoor listening, Kilburn III features 360° True Stereophonic sound, delivering an immersive stereo experience from virtually every position around the speaker. Its re-engineered acoustic system delivers balanced mids, crisp highs and deep bass across different listening volumes.

With Bluetooth 5.3 with Auracast, Bluetooth Multipoint, 3.5 mm AUX connectivity, IP54 dust and water resistance, and a built-in charging-bank function, Kilburn III is designed to keep your music going wherever your day takes you.

Key Features

50+ Hours of Portable Playtime

Enjoy more than 50 hours of wireless playback on a single charge. Kilburn III is designed for extended listening without constantly worrying about charging.

A 20-minute charge can provide up to 8 hours of playtime when using a compatible 30W USB-C PD charger. A full recharge takes approximately 3 hours with a 30W USB-C PD charger.

360° True Stereophonic Sound

Marshall’s True Stereophonic technology creates multidirectional 360° sound with no traditional listening blind spots. Wherever you are positioned around the speaker, you can enjoy a consistent and immersive stereo experience.

Powerful 50W Class D Amplification

Kilburn III features:

• 1 × 30W Class D amplifier for the woofer
• 2 × 10W Class D amplifiers for the full-range drivers
• 1 × 4-inch woofer
• 2 × 2-inch full-range speakers
• Stereo audio configuration

The result is powerful portable sound with balanced bass, mids and highs.

Dynamic Loudness

Kilburn III uses Dynamic Loudness technology to optimise its sound across different volume levels, helping maintain balanced bass, mids and treble whether you’re listening quietly or turning up the volume.

Bluetooth 5.3 with Auracast

Connect your smartphone, tablet, laptop or other compatible device using Bluetooth 5.3. Kilburn III also supports Auracast and Bluetooth Multipoint, allowing two Bluetooth devices to remain connected simultaneously.

IP54 Dust & Water Resistance

Kilburn III has an IP54 rating, providing protection against limited dust ingress and water splashes from any direction. It is suitable for outdoor environments, but it is not designed to be submerged in water.

Charging Bank

Kilburn III can also work as a charging bank, allowing you to charge a compatible phone or other USB device directly from the speaker when it has sufficient battery power.

Adjustable Bass & Treble

Use the dedicated tactile controls to adjust bass and treble according to your preferred sound profile.

Customisable M-Button

The dedicated M-button can be customised through the Marshall Bluetooth app and can provide quick access to your preferred EQ settings.

Removable Carrying Strap

The included carrying strap makes Kilburn III easy to move around, while its classic Marshall styling gives it the appearance of a compact guitar amplifier.

Replaceable Battery

Kilburn III uses a rechargeable, replaceable lithium-ion battery, helping extend the usable life of the speaker.

Marshall Kilburn III Technical Specifications

What’s in the Box?

• Marshall Kilburn III Speaker
• USB-C to USB-C Charging Cable
• Quick Start Guide
• Legal & Safety Information