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Marshall Kilburn III Cream Portable Bluetooth Speaker with 360° Sound

The Marshall Kilburn III Cream is a portable Bluetooth speaker that delivers room-filling stereo sound without needing to stay plugged in. A 4-inch woofer and two 2-inch full-range drivers are housed inside the cream cabinet and powered by a 50 W Class D amplifier setup. True Stereophonic engineering disperses sound 360° with no blind spot. Fans seeking amp-style tone in a portable form will gravitate to this model.

Standout Features: 50+ Hour Battery, IP54 Build, Tactile Amp Controls

What sets it apart is the combination of marathon battery life and authentic Marshall amp DNA. The replaceable Li-ion battery delivers 50+ hours of playtime, with 20 minutes of USB-C PD charging providing around 8 hours. The IP54-rated enclosure shrugs off dust and water splashes, while tactile brass-style knobs for bass, treble, and volume evoke the look of a classic Marshall amp head. A built-in USB-C charging bank means your phone can stay topped up on the go.

Technical Specifications: Drivers, Amplification, and Connectivity

Every spec is tuned for portable, full-range performance, not just sheer volume. At 91 dB SPL, the cabinet pushes air without distortion, and the 45 Hz – 20 kHz frequency range covers deep kick drums and airy cymbals alike.

• Power Output: 50 W total — one 30 W Class D amp for the woofer and two 10 W Class D amps for the full-range drivers
• Frequency Range: 45 Hz – 20 kHz with stereo playback and a bass-reflex cabinet that adds depth to kick drums and clarity to cymbals
• Bluetooth 5.3 with Auracast and Multipoint pairing, plus a 3.5 mm AUX input for connecting turntables or older audio sources.
• Battery & Durability: 50+ hours of playtime, IP54 dust and water resistance, 2.8 kg weight

Who Is the Kilburn III Cream For?

Home listeners, party hosts, and outdoor users will find this speaker fits naturally between the living room, the balcony, and the picnic blanket. Bluetooth Multipoint pairs two devices at once for seamless switching between playlists.