Pioneer VSX-S520 vs Denon AVRS530BT – that is a question.
The number of channels for receivers is different - 5.1 versus 5.2, respectively, for devices. In terms of power, there are differences, the VSX-S520 has such a ratio W/Ohm - 50/4, while the AVRS530BT has a power of 70/8, 90/6. The value of total harmonic distortion is also different, and for the VSX-S520 it is 0.09%, but for the AVRS530BT it is 0.08%.
Competitive models use the same DAC. None of the compared opponents supports Bi-amping. The model VSX-S520 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. The VSX-S520 has access to the Spotify service.
Support for the HDR function can only boast of each of the AV receivers. 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 VSX-S520 and the AVRS530BT. Video scaling is only possible with the VSX-S520. Operation with the Dolby Vision is only possible with the VSX-S520.
The number of HDMI inputs/outputs varies depending on the receiver, the VSX-S520 has 4/1, and the AVRS530BT has 5/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the VSX-S520 and the AVRS530BT. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. VSX-S520 and AVRS530BT support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Pioneer VSX-S520. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in AVRS530BT. The Pioneer VSX-S520 and the Denon AVRS530BT can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the VSX-S520. Only in the VSX-S520 realized a DTS:X surround technology.