The Yamaha RX-V 3900 is a surround sound receiver that supports a variety of audio formats and offers versatile connectivity options suited for home theater setups. It features robust power amplification with 7 channels, delivering up to 130 watts per channel into 8 ohms. The receiver supports Dolby Digital, DTS, and various other surround sound formats, making it suitable for both music and movie audio playback. The RX-V 3900 includes advanced video scaling capabilities, allowing it to upscale video signals to 1080p for high-definition displays. It comes equipped with several HDMI inputs and outputs, enabling easy connections to modern devices such as Blu-ray players and gaming consoles. Additionally, the unit offers audio processing features like YPAO (Yamaha Parametric room Acoustic Optimizer), which helps to optimize the sound quality based on room characteristics. The 3900 model also includes a user-friendly interface and remote control.