Denon AVR-X2400H vs Yamaha RX-V677 review

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Denon AVR-X2400H 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 AVR-X2400H has such a ratio W/Ohm - 95/8, 125/6, while the RX-V677 has a power of 90/8, 150/4. The value of total harmonic distortion is also different, and for the AVR-X2400H it is 0.08%, but for the RX-V677 it is 0.09%.

Audio features

The manufacturer installed different DACs, the AVR-X2400H received the model 192 KHz/24-bit, but the RX-V677 is equipped with Burr-Brown 192 KHz/24-bit. The Bi-amping function is implemented only in the Yamaha RX-V677. Both Denon AVR-X2400H and Yamaha RX-V677 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.

Connectivity

Wireless Internet access via WIFI is possible on both units. Each of the receivers has a Bluetooth connector. The contenders have differences in the supported services from Apple - AirPlay, AirPlay 2 versus AirPlay respectively. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Denon AVR-X2400H works with Deezer, TIDAL, iHeart Radio, Sirius XM, Sound Cloud, Napster, but the Yamaha RX-V677 works with Pandora, Napster, JUKE.

Video features

Support for the HDR function can only boast of the AVR-X2400H. 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 AVR-X2400H and the RX-V677. Video scaling is only possible with the RX-V677. Operation with the Dolby Vision is only possible with the AVR-X2400H.

Extensive connections

The number of HDMI inputs/outputs varies depending on the receiver, the AVR-X2400H has 8/2, and the RX-V677 has 6/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the AVR-X2400H and the RX-V677. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. AVR-X2400H 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. There is an ECO mode in either AV receiver. The Denon AVR-X2400H 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 AVR-X2400H. Only in the AVR-X2400H realized a DTS:X surround technology.