The Denon AVR-1705 is an audio/video receiver that was released in the early 2000s. It supports Dolby Digital EX and DTS ES 6.1 surround sound formats and has a power output of 75 watts per channel. It also includes various audio and video inputs and outputs, such as analog and digital audio inputs, composite and S-Video inputs, and component video inputs. The receiver has a built-in AM/FM tuner, a remote control, and features like digital signal processing and multi-room audio capability.