Pioneer VSX-521 5.1 Channel AV Receiver

The Pioneer VSX-521-K is a 5.1-channel, 3D-ready A/V receiver (approx. 80W per channel at 8 ohms) featuring 4 HDMI inputs, Dolby TrueHD/DTS-HD Master Audio decoding, and MCACC auto-room calibration. Released around 2011, this entry-level unit includes Sound Retriever AIR for Bluetooth audio (via optional adapter) and is designed for basic home theater setups