Master & Dynamic 's sculptural 'MA770' speaker is the result of a collaboration with celebrated architect Sir David Adjaye. Inspired by wide open spaces and the most intimate of places, it's designed to fill a room with sound. Powerful woven Kevlar long-throw woofers and a titanium tweeter are encased in a specially conceived concrete composite with a removable stainless steel grille. Boasting WiFi and Bluetooth connectivity as well as auxiliary analog and optical inputs, it has the capacity to stream your record collection with superior clarity and no distortion. - - Grey concrete composite - 100W Class-D amplifier, two 4 Kevlar long throw woofers, 1.5 titanium tweeter, stainless steel grille, removable anodised aluminium control panel - Dual band 802.11 a/b/g/n/ac WiFi, Bluetooth 4.1 with BLE, Chromecast, 3.5mm auxiliary analog, TOSLINK optical audio - Comes with a power adapter