What is better - Yamaha RX-A4A vs Denon AVR-S570BT?
The number of channels for receivers is different - 7.2 versus 5.2, respectively, for devices. In terms of power, there are differences, the RX-A4A has such a ratio W/Ohm - 110/8, 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-A4A it is 0.06%, but for the AVR-S570BT it is 0.08%.
The manufacturer installed different DACs, the RX-A4A received the model 384 KHz/32-bit, but the AVR-S570BT is equipped with 192 KHz/32-bit. The Bi-amping function is implemented only in the Yamaha RX-A4A. Both Yamaha RX-A4A 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-A4A has access to the Spotify service.
The HDR10+ function is present in each of the rivals. 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-A4A 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 varies depending on the receiver, the RX-A4A has 7/3, and the AVR-S570BT has 4/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is supported by the RX-A4A and the AVR-S570BT. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. RX-A4A and AVR-S570BT support the standard HDCP 2.3. In the presence of a built-in phono stage for connecting a vinyl player only at Yamaha RX-A4A. There is an ECO mode in either AV receiver. The Yamaha RX-A4A and the Denon AVR-S570BT can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the RX-A4A. Only in the RX-A4A realized a DTS:X surround technology.