Marshall KILBURN III

Portable Bluetooth speaker with a retro-amp inspired design, combining classic aesthetic and modern performance.
Offers over 50 hours of playback on a single charge — one of the longest battery lives in its class.
Produces 360° True Stereophonic sound, powered by a 4" woofer + two 2" full-range speakers.
Features Bluetooth 5.3 with multipoint connectivity + 3.5 mm AUX input — for wireless or wired use.
Durable build: IP54 dust & water-resistant, suitable for everyday indoor/outdoor use (splash-proof, not waterproof for submersion).
Comes with tactile analogue-style controls (volume, bass, treble, play/pause, pairing, and a customizable “M” preset button) for intuitive use without needing a phone. Forbes+1
Doubles as a power bank — the USB-C port can charge other devices like a smartphone.

Authorised dealerDirect manufacturer partnership
Pan-India deliveryInsured shipping, all states
Post-sale supportTraining + service included

Overview

What makes it work

Marshall KILBURN III

Specification	Details
Audio Output Power	50 W total (1× 30 W Class-D amp for woofer + 2× 10 W Class-D amps for full-range drivers)
Drivers	1× 4-inch (woofer) + 2× 2-inch (full-range)
Frequency Response	45 Hz – 20 kHz
Maximum SPL	91 dB @ 1m
Connectivity (Wireless)	Bluetooth 5.3, multipoint, range up to ~10 m / 33 ft
Supported Bluetooth Codecs	SBC, LC3, MPEG-2 AAC
Connectivity (Wired)	3.5 mm AUX input, USB-C (charging / power bank)
Controls	Top-panel analogue-style knobs & buttons: volume, bass, treble, power toggle, play/pause/skip, Bluetooth pairing, “M” preset button
Battery Life	50+ hours playback on a full charge
Charging	USB-C; ~3 hours for full charge; quick-charge 20 min ≈ 8 hours playback (with 30W USB-C PD charger)
Additional Feature	Functions as a power bank to charge other USB devices via USB-C output
Ingress Protection	IP54 — dust and splash-resistant
Dimensions (W × H × D)	273 × 150 × 169 mm
Weight	~2.8 kg
Color Variants	Black & Brass, Cream
Build Materials	Vegan leather + plastic, responsibly sourced, PVC-free & water-based covering
Box Contents	Speaker, USB-C charging cable, Quick Start Guide & safety documentation

Product Overview

The Kilburn III isn’t just a speaker—it’s pure rebellion packed into a box. Its raw, explosive 360° True Stereophonic sound cuts through the quiet like a guitar riff at max volume. Built with a rugged, road-ready design, it looks as fierce as it performs. Dust or splashes won’t slow it down—this powerhouse was made to take on the elements without flinching. Whether you’re firing up a rooftop party or rocking out in the garage, the Kilburn III delivers thunderous audio and unmatched attitude every single time.