The Bose Soundtouch 300 delivers incredible room filling sound from its slim design, the bar is so slim you won't have any problems fitting the bar into your home entertainment system. The Soundtouch 300 comes with HDMI pass-through which is capable of supporting 4k image, perfect for the latest home entertainment equipment. You can also connect an optical connection giving you total flexibility. Having Sound Touch in the name means total integration, the Soundbar can be controlled with the Sound Touch app on both i OS & Android, you can also link the Soundbar with other Sound Touch speakers to create a full multi-room system. Even without the app, the Soundbar comes with Bluetooth so you can connect any Mobile Phone or Tablet & play music straight to the bar. The Soundtouch 300 can have the Acoustimass 300 subwoofer added to give a deeper bass tone & further depth to the soundbar, the next stage is adding the Wireless Surround 300 speakers to the system to give you a true 5.1 surround system.