
The Marshall Stockwell III is a portable Bluetooth speaker with stereo sound and True Stereophonic technology, which creates a 360° sound experience. It is equipped with one 3" woofer and two 1.75" full-range drivers with a frequency range of 54Hz to 20kHz. Wireless connectivity is provided by Bluetooth 5.3 with Auracast support, multipoint connection, and SBC, LC3 and MPEG-2 AAC codecs. The built-in replaceable Li-Ion battery provides more than 40 hours of playback and supports fast charging via USB-C. The IP55-rated construction is resistant to dust and splashing water, and a strap makes it easy to carry. The Stockwell III can also be connected via a 3.5mm AUX input or USB-C, and its USB-C port can be used to charge other devices.
The Marshall Stockwell III uses True Stereophonic technology for multi-directional 360° sound delivery around the speaker. The sound system consists of one 3" woofer and two 1.75" full-range dynamic drivers with a frequency range of 54Hz to 20kHz. The woofer is powered by a 16W Class D amplifier, and each full-range driver has its own 14W Class D amplifier. The maximum sound pressure level reaches 86dB SPL at a distance of 1 metre. The Dynamic Loudness function adjusts the bass and treble according to the set volume to maintain a clear and balanced sound.
The replaceable Li-Ion battery provides over 40 hours of portable playback on a single charge. With a 30W USB-C PD charger, just 20 minutes of charging provides an additional 7 hours of playback, and a full charge takes less than 3 hours. The Battery Preservation function offers settings designed to extend battery life, and the battery itself is user-replaceable. The IP55 rating ensures resistance to dust and splashing water, and the speaker comes with a strap for easy carrying. The Stockwell III weighs 1.3kg and its dimensions are 180×162×74mm.
Wireless connectivity is provided by Bluetooth 5.3 with a range of up to 10 metres, Auracast technology and multipoint connection support. Supported audio codecs include SBC, LC3 and MPEG-2 AAC. For wired connections, 3.5mm AUX and USB-C are available, with the USB-C port also supporting charging for other devices with a 5V/3A output. The top panel offers controls for bass, treble, and volume, along with a power switch, Media Jog, M-button, and Bluetooth button. The M-button provides quick access to a set preset, and the Media Jog is used to control track playback.
Package contents: Marshall Stockwell III Cream, strap, USB-C to USB-C charging cable, quick start guide, legal and safety information
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Specifications can be changed without notice. Images are for illustrative purposes only.