Sony STRZA1100ES vs Yamaha RX-V677 review

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Sony STRZA1100ES vs Yamaha RX-V677 – that is a question.

Amplifier

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-V677 has a power of 90/8, 150/4. 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-V677 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.

Connectivity

Wireless Internet connection via WIFI is only possible with RX-V677. There is a Bluetooth protocol at the RX-V677. The RX-V677 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-V677. Each of the devices can increase the resolution of the incoming video signal. Operation with the Dolby Vision is only possible with the STRZA1100ES.

Extensive connections

The number of HDMI inputs/outputs varies depending on the receiver, the STRZA1100ES has 5/2, and the RX-V677 has 6/1. 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-V677 support the standard HDCP 2.2. Unlike most receivers, our models do not have a built-in phono stage for connecting a vinyl player.

Additional features

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-V677. The Sony STRZA1100ES and the Yamaha RX-V677 can be properly configured using the setup assistant.

Multichannel surround

A Dolby Atmos multichannel audio format is available only in the STRZA1100ES. Only in the STRZA1100ES realized a DTS:X surround technology.