The Onkyo TX-SR383 vs Yamaha RX-A2A comparison will be extremely helpful for people who want to get a great, powerful receiver with many functions.
AV receivers under review have the same number of channels. In terms of power, there are differences, the TX-SR383 has such a ratio W/Ohm - 100/8, 135/6, while the RX-A2A has a power of 100/8. The value of total harmonic distortion is also different, and for the TX-SR383 it is 0.09%, but for the RX-A2A it is 0.06%.
The manufacturer installed different DACs, the TX-SR383 received the model 192 KHz/24-bit, but the RX-A2A is equipped with 384 KHz/32-bit. The Bi-amping function is implemented only in the Yamaha RX-A2A. The model RX-A2A can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. The RX-A2A has access to the Spotify service. Signaling over HDMI in standby mode can provide the TX-SR383 and the RX-A2A. Video scaling is only possible with the RX-A2A. Operation with the Dolby Vision is only possible with the RX-A2A.
The number of HDMI inputs/outputs varies depending on the receiver, the TX-SR383 has 4/1, and the RX-A2A has 7/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the RX-A2A. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. The TX-SR383 has support for the standard HDCP 2.2, compared to the RX-A2A, which supports the standard HDCP 2.3. In the presence of a built-in phono stage for connecting a vinyl player only at Yamaha RX-A2A.
Ability to create 2 Multi zones inherent in both AV receivers. There is an ECO mode in RX-A2A. The Yamaha RX-A2A can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the RX-A2A. Only in the RX-A2A realized a DTS:X surround technology.