Pioneer VSX-LX503 vs Yamaha RX-A1070BL comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Pioneer VSX-LX503 has 9.2 versus 7.2 for Yamaha RX-A1070BL. Regarding power, then VSX-LX503 has such a W/Ohm ratio - 120/8 20Hz-20KHz, 230/6 1KHz when RX-A1070BL has a power of 110/8 20Hz-20KHz. The THD is 0.08% for the VSX-LX503 but 0.06% for the RX-A1070BL.
Characteristics of digital to analog converter (DAC) are different, AK4458 384 KHz/32-bit for VSX-LX503 and ESS 192 KHz/24-bit for the RX-A1070BL. Both the VSX-LX503 and the RX-A1070BL support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing. 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-LX503 can work with the audio stream from Deezer, TIDAL, Pandora, TuneIn Radio, and the RX-A1070BL can receive a content from Deezer, TIDAL, Pandora, Napster, SiriusXM. Compared AV receivers retain the quality of 4K 60p 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.
The Pioneer VSX-LX503 has 7/2 HDMI inputs/outputs versus 8/2 HDMI connectors of the Yamaha RX-A1070BL. 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.
The VSX-LX503 supports 3 Multi-room zones, versus 2 for the RX-A1070BL. The VSX-LX503 supports voice control via Google Assistant, and the RX-A1070BL - Amazon Alexa. An ECO mode is only available for the RX-A1070BL. Both VSX-LX503 and RX-A1070BL 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.
The Pioneer VSX-LX503 is better receiver in this comparison. Check Pioneer VSX-LX503 price