The Denon AVR-1509 is a 7.1-channel AV receiver designed to bring premium sound and video performance to your home theater. With Dolby TrueHD and DTS-HD Master Audio, it delivers exceptional surround sound for an immersive cinematic experience. Featuring 4 HDMI inputs with 1080p video pass-through and audio upscaling, the AVR-1509 ensures stunning picture and sound quality. It also includes auto speaker calibration for quick and easy setup, making it an excellent choice for home theater enthusiasts who want a balance of advanced features and ease of use in a reliable and affordable receiver.