Sonos One vs Harman Kardon Citation One - similar pricetag, IMHO Citation has better sound and I finally have that Chromecast support I was begging Sonos for! Ask if you have any
User manual Harman Kardon Citation One MK2 (English - 21 pages)
CES 2019: JBL/Harman Adds Soundbar, Speakers, Amp/Speaker Combo | Digital Trends
Harman Kardon Citation range is a colossal family of Google Assistant smart speakers
Harman Kardon Citation One MKII review | 78 facts and highlights
Harman Kardon Citation ONE Review: Smart, beautiful and sounds great - YouTube