The Sony STRZA1100ES vs Yamaha RX-V581 comparison will be extremely helpful for people who want to get a great, powerful receiver with many functions.
AV receivers under review have the same number of channels. In terms of power, there are differences, the STRZA1100ES has such a ratio W/Ohm - 70/8, 90/6, while the RX-V581 has a power of 115/6. A common feature for devices is the same total harmonic distortion - 0.09%. Each of the compared opponents supports Bi-amping. Both Sony STRZA1100ES and Yamaha RX-V581 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless Internet connection via WIFI is only possible with RX-V581. There is a Bluetooth protocol at the RX-V581. The RX-V581 has access to the Spotify service. The quality of 4K/60Hz signal remains unchanged when transmitting from a source to a TV or projector via HDMI for both receivers. Signaling over HDMI in standby mode can provide the STRZA1100ES and the RX-V581. Video scaling is only possible with the STRZA1100ES. Operation with the Dolby Vision is only possible with the STRZA1100ES.
The number of HDMI inputs/outputs varies depending on the receiver, the STRZA1100ES has 5/2, and the RX-V581 has 4/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the STRZA1100ES. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. STRZA1100ES and RX-V581 support the standard HDCP 2.2. Unlike most receivers, our models do not have a built-in phono stage for connecting a vinyl player.
Ability to create 2 Multi zones inherent in both AV receivers. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in RX-V581. The Sony STRZA1100ES and the Yamaha RX-V581 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available both models. A DTS:X surround technology is supported by devices from our comparison.