The present review is aimed to compare two AV receivers - Pioneer VSX-S520 vs Pioneer VSX-LX102 that are meant to satisfy the needs of cinema and music lovers.
A significant difference between the receivers in the number of channels, Pioneer VSX-S520 has 5.1 versus 7.2 for Pioneer VSX-LX102. Regarding power, then VSX-S520 has such a W/Ohm ratio - 50/4 when VSX-LX102 has a power of 80/8, 170/6. The THD is 0.09% for the VSX-S520 but 0.08% for the VSX-LX102.
Characteristics of digital to analog converter (DAC) are different, 192 KHz/24-bit for VSX-S520 and AK4438 384 KHz/32-bit for the VSX-LX102. Only the VSX-LX102 supports Bi-amping feature. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
WI-FI modules have the same characteristics: 2.4/5GHz. Rivals from our review have Bluetooth support. The Apple Music service is implemented on considered devices: AirPlay. Spotify can be used on each receiver. The VSX-S520 can work with the audio stream from Deezer, TIDAL, TuneIn Radio, and the VSX-LX102 can receive a content from Deezer, TIDAL, Pandora, TuneIn Radio. Compared AV receivers retain the quality of 4K/60Hz signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. Both rivals can scale the resolution of the incoming HDMI signal. The HDR standard - Dolby Vision is supported by these receivers.
Each receiver has 4/1 HDMI inputs/outputs. The HDMI Audio Return Channel (ARC) feature supports both devices. Unfortunately, HDMI eARC is not available on monitored devices. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. Both models support the standard HDCP 2.2. These compared receivers have a built-in phono stage for connecting a vinyl player. A voice control is not available. An ECO mode is only available for the VSX-LX102. Both VSX-S520 and VSX-LX102 can be configured using the Setup assistant.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.