Upscale your content to four times the resolution of 1080p with your 4K display and the black Yamaha BD-S681 4K Upscaling Wi-Fi and 3D Blu-ray Disc Player. In addition to handling standard and 3D Blu-ray media, the BD-S681 features integrated UHD upscaling technology to provide optimized image quality from DVD and Blu-ray video sources. Built-in Wi-Fi and Ethernet connectivity enable access to free and subscription-based streaming content.

This model's HDMI output supports high-resolution audio formats such as Dolby TrueHD and DTS-HD Master Audio for a dynamic multi-channel surround sound experience. The USB port allows you to connect devices such as thumb drives for easy playback of multimedia files. There's also a digital optical audio output for feeding multi-channel sound to audio systems without HDMI.