Having had an opportunity to test Pioneer SC-LX801 vs Pioneer SC-LX501, I’d like to share my impression here to facilitate your choice of a new AV receiver.
The number of channels for receivers is different - 9.2 versus 7.2, respectively, for devices. In terms of power, there are differences, the SC-LX801 has such a ratio W/Ohm - 140/8, 200/6, 255/4, while the SC-LX501 has a power of 120/8, 180/6. A common feature for devices is the same total harmonic distortion - 0.08%.
The manufacturer installed different DACs, the SC-LX801 received the model ESS SABRE32 Ultra 192 KHz/32-bit, but the SC-LX501 is equipped with AK4458 384 KHz/32-bit. Each of the compared opponents supports Bi-amping. Both Pioneer SC-LX801 and Pioneer SC-LX501 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 SC-LX801 works with Deezer, TIDAL, Pandora, but the Pioneer SC-LX501 works with Deezer, TIDAL, Pandora, TuneIn Radio. 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 SC-LX801 and the SC-LX501. 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 SC-LX801 has 8/2, and the SC-LX501 has 7/2. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the SC-LX801 and the SC-LX501. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. SC-LX801 and SC-LX501 support the standard HDCP 2.2. Like most receivers, our models have a built-in phono stage for connecting a vinyl player.
Unlike the SC-LX801 where 3 Multi zones is provided, the SC-LX501 works with 2 Multi zones. 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 SC-LX801 and the Pioneer SC-LX501 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.