The Onkyo TX-SR393 is a 5.2-channel A/V receiver offering 80 watts per channel, supporting 4K/60p and HDR (including Dolby Vision) video passthrough, and providing Dolby Atmos and DTS:X surround sound with virtualizers. Key features include built-in Bluetooth for streaming, an automated AccuEQ room calibration system, a Vocal Enhancer for clearer dialogue, and Zone B output for multi-room audio. It also includes 4 HDMI inputs and 1 output, along with front-panel inputs for a setup microphone and headphone jack.