The Pioneer SC-LX90 is a high-performance AV receiver designed for home theater enthusiasts looking for an immersive audio and visual experience. This model is part of Pioneer's SC series and is characterized by its advanced audio and video processing capabilities. It features Dolby Atmos and DTS:X support, allowing for multi-dimensional sound that complements modern cinematic experiences. The SC-LX90 is equipped with multiple HDMI inputs and supports 4K video pass-through, making it compatible with the latest UHD sources. Additionally, it incorporates Pioneer's Direct Energy HD amplification technology, delivering high power output with low distortion. The receiver allows for various connectivity options, including Bluetooth and Wi-Fi streaming, enabling users to easily access their favorite music services. With its advanced room calibration system, the SC-LX90 can adjust sound settings to suit the acoustics of the listening environment, ensuring optimal audio performance. Other notable features include Zone 2 and Zone 3 audio output capabilities, a user-friendly interface, and extensive customization options for audiophiles to fine-tune their sound experience.