The Denon AVR-X2700H AV Receiver with MASS Black AV Speaker Package is all you need to get started with a premium home cinema setup. With 150W per channel this performance-tuned Denon AV receiver provides a truly immersive 3D audio experience through Dolby Atmos or DTS:X. Even if you dont have dedicated ceiling speakers Dolby Atmos Height Virtualization Technology and DTS Virtual:X will upgrade your movie nights like never before. MASS is quick and easy to set up and delivers genuinely enthralling surround-sound excitement in a compact design making any room feel like a state-of-the-art concert hall or cinema Music lovers movie fans and gamers will all revel in MASSs ability to put them in the middle of the action bringing incredible levels of immersion to their favourite songs films and games. All the clarity all the drama all the 360-degree thrills - and a new acoustic experience - are there to be enjoyed.