Are Ribbon Tweeters the best? Quad Z2 HiFi Speakers Review - YouTube
HUAWEI Sound Joy - Portable Bluetooth Speaker, 26-Hour Playtime, Quad Speakers, Tuned by Devialet, 79dBA, Fast Charging, Party Link-up Mode, IP67, Compatible with iOS and Android | Best Buy Canada
Quad 9L Active Desktop Loudspeaker (Playback 30) - The Absolute Sound