Marshall Kilburn III Battery Powered Speaker Black

Marshall Kilburn III is a self-powered portable battery speaker with 30W output, a 45Hz–20kHz frequency response, 91dB max SPL, and Bluetooth 5.3 connectivity.

It delivers 50+ hours of battery life and features True Stereophonic 360° sound, allowing the music to fill the space from every angle. Its durable IP54-rated construction provides protection against dust and splashes, while Marshall’s signature tactile controls offer direct access to playback, volume, bass, and treble adjustments. At the same time, the Dynamic Loudness function automatically adjusts the sound according to the volume level, preserving detail and tonal balance at every listening level. In addition, the Kilburn III also functions as a power bank, allowing you to charge your devices on the go.

Power Output: 1x30W Class D Amplifier for the woofer, 2x10 Class D Amplifiers for the full ranges
Amplifier Type: Dynamic
Frequency Response: 45–20,000Hz
Max SPL: 91dB @ 1m
Bluetooth: Bluetooth 5.3 with Auracast
Battery Type: Rechargeable Li-ion
Battery Life: 50+ hours
Charging Time: 3 hours for a full charge using a 30W charger / 20 minutes of charging provides up to 8 hours of playback
Dimensions (WxHxD): 273 x 169 x 150mm
Weight: 2.8kg
Color: Black with brass details
Protection Rating: IP54