Yamaha RX-V671 vs Yamaha RX-V677 review

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Yamaha RX-V671 vs Yamaha RX-V677 – that is a question.

Amplifier

The number of channels for receivers is different - 7.1 versus 7.2, respectively, for devices. In terms of power, the receivers have the same performance - 90/8, 150/4. A common feature for devices is the same total harmonic distortion - 0.09%.

Audio features

Competitive models use the same DAC. Each of the compared opponents supports Bi-amping. Both Yamaha RX-V671 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. Each of the receivers has a Bluetooth connector. The RX-V677 has access to the Spotify service. The number of available streaming services varies for receivers, the Yamaha RX-V671 works with Napster, but the Yamaha RX-V677 works with Pandora, Napster, JUKE.

Video features

Oddly enough, the support for the HDR function is not implemented in these units. 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-V671 and the RX-V677. Each of the devices can increase the resolution of the incoming video signal. Review participants do not have the Dolby Vision feature.

Extensive connections

The number of HDMI inputs/outputs is the same - 6/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the RX-V671 and the RX-V677. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. RX-V671 and RX-V677 support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Yamaha RX-V671.

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 can be properly configured using the setup assistant.

Multichannel surround

Generally no support for a Dolby Atmos multichannel audio format. A DTS:X surround technology is not supported by devices from our comparison.