The Yamaha RXV777 combines high quality components with fantastic sound quality, making it ideal for your home cinema setup. 4K Ultra HD & 3D pass-through allow you to connect your 4k or 3D devices directly into the Amplifier, allowing you to enjoy all of your content without any issues & making the 777 future proof. Its 160w per channel design makes it perfect for your large speakers, filling your room with fantastic sound while its low jitter circuitry ensures its always sharp & well defined, letting you enjoy a cinema quality experience in your own home. you can even connect the RXV777 to the internet using built in Wi-Fi & enjoy access to a vast selection of different radio stations from across the world using internet radio, or your favourite music tracks with Spotify. Yamaha's YPAO Sound optimisation technology is designed to analyse the rooms acoustics & adjusts the audio to provide optimum sound every time.