The Denon AVR-1312 is an audio/video receiver designed for home theater systems. It features a 5.1 channel configuration and supports various audio formats such as Dolby Digital and DTS. The receiver offers multiple HDMI inputs and outputs for connecting various devices like Blu-ray players, game consoles, and televisions. It also includes built-in decoders for surround sound formats and supports automatic speaker calibration. The AVR-1312 has a compact and sleek design, making it suitable for smaller spaces.