Yamaha RX-V583 vs Yamaha RX-V4A review
Yamaha RX-V583 vs Yamaha RX-V4A comparison definitely makes sense.
Amplifier
A significant difference between the receivers in the number of channels, Yamaha RX-V583 has 7.2 versus 5.2 for Yamaha RX-V4A. Regarding power, then RX-V583 has such a W/Ohm ratio - 80/8, 145/6 when RX-V4A has a power of 80/6. The THD is 0.09% for the RX-V583 but 0.06% for the RX-V4A. Both the RX-V583 and the RX-V4A 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 Yamaha RX-V583 has support for AirPlay, and its competitor in our comparison - AirPlay, AirPlay 2. Spotify can be used on each receiver. The RX-V583 can work with the audio stream from Deezer, TIDAL, Pandora, and the RX-V4A can receive a content from Deezer, TIDAL, Pandora, SiriusXM, Qobuz.
Video features
Both AV receivers support HDR10 technology (High dynamic range). 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.
Extensive connections
Each receiver has 4/1 HDMI inputs/outputs.
The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the RX-V4A. 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 2.3. Receivers do not have a built-in phono stage for connecting a vinyl player. The RX-V583 supports voice control via Amazon Alexa, and the RX-V4A - Amazon Alexa, Google Assistant, Siri. It is also worth noting that the ECO mode is presented in each of the receivers. Both RX-V583 and RX-V4A can be configured using the Setup assistant.
Multichannel surround
Only the RX-V583 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the RX-V583.