Pioneer VSX-S520 vs Pioneer SC-LX901 – that is a question.
The number of channels for receivers is different - 5.1 versus 11.2, respectively, for devices. In terms of power, there are differences, the VSX-S520 has such a ratio W/Ohm - 50/4, while the SC-LX901 has a power of 140/8, 200/6. The value of total harmonic distortion is also different, and for the VSX-S520 it is 0.09%, but for the SC-LX901 it is 0.08%.
The manufacturer installed different DACs, the VSX-S520 received the model 192 KHz/24-bit, but the SC-LX901 is equipped with ESS SABRE32 Ultra 192 KHz/32-bit. The Bi-amping function is implemented only in the Pioneer SC-LX901. Both Pioneer VSX-S520 and Pioneer SC-LX901 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
These units have the same Wi-Fi modules. Each of the receivers has a Bluetooth connector. Both devices can work with such Apple Music services: AirPlay. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Pioneer VSX-S520 works with Deezer, TIDAL, TuneIn Radio, but the Pioneer SC-LX901 works with Deezer, TIDAL, Pandora, TuneIn Radio.
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 SC-LX901. 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 VSX-S520 has 4/1, and the SC-LX901 has 8/2. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the VSX-S520 and the SC-LX901. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. VSX-S520 and SC-LX901 support the standard HDCP 2.2. Like most receivers, our models have a built-in phono stage for connecting a vinyl player. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in neither AV receiver. The Pioneer VSX-S520 and the Pioneer SC-LX901 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available both models. A DTS:X surround technology is supported by devices from our comparison.
The Pioneer SC-LX901 is better receiver in this comparison. Check Pioneer SC-LX901 price