The Marshall Kilburn II is a portable stereo Bluetooth speaker designed for convenient wireless and wired audio playback. It features Marshall's True Stereophonic multi-directional sound system, a built-in rechargeable lithium-ion battery, and a carry strap for portability. The speaker provides more than 20 hours of playtime on a single charge and includes adjustable bass and treble controls.

The Kilburn II supports Bluetooth 5.0 with Qualcomm aptX and also provides a 3.5 mm AUX input for compatible wired audio sources. Its stereo system uses a 4-inch woofer and two 20 mm dome tweeters with Class D amplification. The speaker has a frequency response of 52–20,000 Hz and a maximum sound pressure level of 100.4 dB SPL at 1 metre.

Product Type: Portable Stereo Bluetooth Speaker

Brand: Marshall

Model: Kilburn II

Color: Black

Speaker System: Stereo

Woofer: 1 x 4 inch

Tweeters: 2 x 20 mm dome tweeters

Amplification: 2 x 8 W + 1 x 20 W Class D amplifiers

Frequency Response: 52–20,000 Hz ±6 dB

Maximum Sound Pressure Level: 100.4 dB SPL at 1 m

Wireless Connectivity: Bluetooth 5.0 with Qualcomm aptX

Wired Connectivity: 3.5 mm AUX input

Bluetooth Range: Up to 10 m

Battery: Built-in rechargeable Li-ion battery

Playtime: 20+ hours

Charging Time: Approximately 2.5 hours

Water Resistance: IPX2

Dimensions: 243 x 162 x 140 mm

Weight: 2.5 kg

Compatibility: Compatible Bluetooth and 3.5 mm audio devices

Application: Portable music playback and indoor or outdoor listening

Function: Wireless and wired audio playback