Onkyo TX-8020 is a stereo receiver of the company's new series, which can output 90 watts per channel at 6 ohms. Moreover, the receiver can even cope with low-impedance and capricious acoustics in terms of load. If compare Onkyo TX-8020 vs Onkyo TX-8220, the TX-8020 is the network receiver and supports Chromecast and FireConnect 2; streaming music services Spotify, TIDAL, and Deezer. The device uses WRAT technology, which provides high-quality sound in the wide frequency range. There is also DTS Play-Fi technology that allows users to stream music from online sources to devices via Wi-Fi.
The TX-8220 offers 100 watts for each channel of power output provided by high-precision, low-impedance analog amplification using discrete output transistors. The Onkyo TX-8220 versus TX-8020 works at higher impedance - 8 Ohm against 4 Ohm. The receiver includes Bluetooth wireless audio streaming technology with the Auto Connect function. The stereo receiver uses the proprietary Optimum Gain Volume Circuitry volume control scheme, which, unlike traditional solutions, does not introduce noise and distortion into the signal, and provides a smooth change in signal level.
The Onkyo TX-8020 is better receiver in this comparison. Check Onkyo TX-8020 price