What is better - Sony STRZA1100ES vs Denon HEOS AVR?
The number of channels for receivers is different - 7.2 versus 5.1, respectively, for devices. In terms of power, there are differences, the STRZA1100ES has such a ratio W/Ohm - 70/8, 90/6, while the HEOS AVR has a power of 50/8, 65/6. The value of total harmonic distortion is also different, and for the STRZA1100ES it is 0.09%, but for the HEOS AVR it is 0.05%. The Bi-amping function is implemented only in the Sony STRZA1100ES. Both Sony STRZA1100ES and Denon HEOS AVR can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless Internet connection via WIFI is only possible with HEOS AVR. There is a Bluetooth protocol at the HEOS AVR. Support for Apple Music Services not implemented. The HEOS AVR 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 HEOS AVR. 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 HEOS AVR 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 HEOS AVR support the standard HDCP 2.2. Unlike most receivers, our models do not have a built-in phono stage for connecting a vinyl player. There is an ECO mode in neither AV receiver. The Sony STRZA1100ES can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the STRZA1100ES. Only in the STRZA1100ES realized a DTS:X surround technology.