The Onkyo TX-SR578 is an AV receiver that combines impressive performance with a selection of features, catering to both music and movie enthusiasts. Its design is characterized by a practical layout, featuring a simple interface with dedicated buttons for each source instead of a single selector dial. This makes it user-friendly and intuitive. The device supports 3D content via four HDMI 1.4a ports with Audio Return Channel (ARC). Users can connect various devices labeled as 'BD', 'DVR', and 'Game', as well as an auxiliary input located on the front for portable gadgets. A unique feature of the TX-SR578 is its Universal Port, which connects an optional DAB+ tuner or an iPod dock, allowing playback of DAB+ radio while displaying current song info on the unit itself. In terms of audio, it outputs 80W per channel and utilizes Onkyo's WRAT (Wide Range Amplifier Technology) and a Burr-Brown 192kHz/24-bit DAC for high-quality sound processing. It also features Audyssey setup for convenient calibration and 1080p upscaling for video sources. The receiver is equipped for decoding HD audio formats from Dolby and DTS, including Dolby Pro Logic IIz, which adds height channels to the audio. While the receiver provides satisfying performance in music and surround sound, it does have some limitations such as a reduced number of input options and some smearing on video when using the processing features. Nevertheless, the Onkyo TX-SR578 stands out as a solid choice for those seeking a versatile and capable AV receiver at a competitive price point.
