What is better - Yamaha RX-V4A vs Denon AVR-S570BT?
AV receivers under review have the same number of channels. In terms of power, there are differences, the RX-V4A has such a ratio W/Ohm - 80/6, while the AVR-S570BT has a power of 70/8, 90/6. The value of total harmonic distortion is also different, and for the RX-V4A it is 0.06%, but for the AVR-S570BT it is 0.08%. The Bi-amping function is implemented only in the Yamaha RX-V4A. Both Yamaha RX-V4A and Denon AVR-S570BT can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. The RX-V4A has access to the Spotify service.
The quality of 4K/120Hz 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-V4A and the AVR-S570BT. Each of the devices can increase the resolution of the incoming video signal. Each of the participants of the comparison has a Dolby Vision.
The number of HDMI inputs/outputs is the same - 4/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is supported by the RX-V4A and the AVR-S570BT. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. RX-V4A and AVR-S570BT support the standard HDCP 2.3. Unlike most receivers, our models do not have a built-in phono stage for connecting a vinyl player. There is an ECO mode in either AV receiver. The Yamaha RX-V4A and the Denon AVR-S570BT can be properly configured using the setup assistant.
Generally no support for a Dolby Atmos multichannel audio format. A DTS:X surround technology is not supported by devices from our comparison.