A bluetooth speaker, some reviews say it outshines Bose Soundtouch 30 (soundwise identical to Sounddock 10), Sonos 5 etc.

Marshall Woburn:
90 W RMS Class D (2 x 20W, 1 x 50W)
2 x 5.25' woofers, 2 x 1' tweeters
Total weight 7.9 kg (17.4 lbs)
Frequency range 35-22,000 Hz.
Line in: RCA and mini jack

https://www.marshallheadphones.com/mh_de_en/speakers/loudest/woburn-black