Emberton II now packs an even bigger punch than before. The bestselling Marshall outdoor speaker now comes with 10 more hours of playtime than its predecessor so you can enjoy 30+ hours of listening. This new generation has Stack Mode so you can amplify your session by connecting to other Emberton II speakers. Theres also the addition of app support, giving you more control over your sound. Two 2 full range drivers, two passive radiators and True Stereophonic mean this wireless speaker brings you the heavy Marshall sound you know and love.