Marshall Kilburn III- Portable Bluetooth Speaker with Massive Battery and Classic Design
Marshall Kilburn III is the latest upgrade in Marshall’s iconic portable Bluetooth speaker lineup. Inheriting the legendary guitar-amp design language, Kilburn III delivers immersive 360-degree sound with an impressive battery life of over 50 hours. It is an ideal choice for music lovers who appreciate classic styling and rock performance culture.

Retro Design with Signature Marshall Style
- Premium leather-like covering with a vintage-style metal grille
- Velvet-lined carrying strap inspired by guitar straps – detachable and travel-friendly
- Available in two colors: Black & Brass, Cream
- IP54 dust and water resistance – ideal for outdoor use

360° True Stereophonic Sound – No “Dead Spots”
- Marshall-exclusive audio technology: sound dispersion in all directions
- Powerful bass, detailed mids, and clear highs – suitable for many genres
- A vivid mini-stage listening experience, wherever you are in the room

Over 50 Hours of Playback – Also Works as a Power Bank
- Outstanding battery life: over 50 hours of continuous playback
- Supports fast charging via USB-C
- Can charge other devices – functions as a power bank
Modern Connectivity – Bluetooth 5.3 and AUX
- Bluetooth 5.3: fast and stable connection
- 3.5 mm AUX input for analog devices
- USB-C port for charging and power sharing
Intuitive Controls – Customize Bass and Treble
- Physical guitar-amp style control knobs: Volume – Bass – Treble
- M-button enables quick access to presets or favorite sound settings
Detailed Specifications – Marshall Kilburn III
OVERVIEW
Marshall Kilburn III delivers signature 360° True Stereophonic sound for an immersive experience from any position. Its classic design blended with modern technology makes Kilburn III more than just a speaker – it is a symbol of style and sonic character.
FEATURES
- 50+ hour battery life – uninterrupted playback
- 360° True Stereophonic sound – evenly fills the space
- IP54 dust/water resistance – splash resistant and dust protected
- Dynamic Loudness – balances audio at every volume level
- Premium-feel physical controls with classic Marshall styling
- Reverse charging function – charge your phone directly from the speaker
AUDIO
- Driver type
- Dynamic
- Frequency range
- 45Hz – 20kHz
- Driver configuration
- 1 × Woofer 4″, 2 × Full-range 2″
- Sound format
- Stereo (360° True Stereophonic)
- Maximum sound pressure level (SPL)
- 91 dB SPL @ 1 m
- Cabinet design
- Bass reflex system, active stereo loudspeaker
AMPLIFICATION
- 1 × 30 W Class D amplifier for woofer
- 2 × 10 W Class D amplifiers for full-range drivers
CONNECTIVITY & CONTROLS
- Wireless connectivity
- Bluetooth 5.3, Auracast supported
- Wired connectivity
- AUX 3.5 mm
- Bluetooth range
- 10 m / 32.8 ft
- Control cluster
- Bass, Treble, Volume, On/Off, Media Jog, M-button, Bluetooth
- Codec support
- SBC, LC3, MPEG-2 AAC
- Microphone system
- No
- Bluetooth multipoint
- Yes
DESIGN & PHYSICAL
- Dimensions
- 273 × 150 × 169 mm (10.74 × 5.9 × 6.65 in)
- Weight
- 2.8 kg (6.17 lb)
- Water & dust resistance
- IP54 rating
- Color options
- Black & Brass, Cream
- Materials
- 38% recycled materials in overall product composition
BATTERY & POWER
- Playback time
- 50+ hours
- Battery type
- Rechargeable and replaceable Li-ion battery
- Battery protection mode
- Yes
- Quick charge
- 20 minutes of charging for 8 hours of playback (with a 30W PD charger)
- Full charge time
- 3 hours (with a 30W PD charger)
- Charging input
- USB-C 9V/3A, 5V/3A
IN THE BOX
- Marshall Speaker Kilburn III
- USB-C to USB-C charging cable
- Quick start guide
- Legal & safety information
COMPATIBLE APP
- App
- Marshall Bluetooth App
Buy Genuine Marshall Kilburn III at District M
District M is an authorized Marshall store and official retailer of Marshall products in Vietnam. Kilburn III will soon be available in our showroom, where you can experience energetic rock sound and Marshall’s iconic design language.
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