Yamaha RX-V677 vs Onkyo TX-SR494 review

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Yamaha RX-V677 vs Onkyo TX-SR494 – that is a question.

Amplifier

AV receivers under review have the same number of channels. In terms of power, there are differences, the RX-V677 has such a ratio W/Ohm - 90/8, 150/4, while the TX-SR494 has a power of 135/6. The value of total harmonic distortion is also different, and for the RX-V677 it is 0.09%, but for the TX-SR494 it is 0.08%.

Audio features

The manufacturer installed different DACs, the RX-V677 received the model Burr-Brown 192 KHz/24-bit, but the TX-SR494 is equipped with AKM 384 KHz/32-bit. Each of the compared opponents supports Bi-amping. Both Yamaha RX-V677 and Onkyo TX-SR494 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. Each of the receivers has a Bluetooth connector. 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 RX-V677 and the TX-SR494. Video scaling is only possible with the RX-V677. Review participants do not have the Dolby Vision feature.

Extensive connections

The number of HDMI inputs/outputs varies depending on the receiver, the RX-V677 has 6/1, and the TX-SR494 has 4/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the RX-V677 and the TX-SR494. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. RX-V677 and TX-SR494 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 Yamaha RX-V677 and the Onkyo TX-SR494 can be properly configured using the setup assistant.

Multichannel surround

A Dolby Atmos multichannel audio format is available only in the TX-SR494. Only in the TX-SR494 realized a DTS:X surround technology.