What is better - Onkyo TX-SR383 vs Pioneer VSX-934?
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 VSX-934 has a power of 80/8, 165/6. The value of total harmonic distortion is also different, and for the TX-SR383 it is 0.09%, but for the VSX-934 it is 0.08%.
The manufacturer installed different DACs, the TX-SR383 received the model 192 KHz/24-bit, but the VSX-934 is equipped with AK4458 384 KHz/32-bit. The Bi-amping function is implemented only in the Pioneer VSX-934. The model VSX-934 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. The VSX-934 has access to the Spotify service. 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 TX-SR383 and the VSX-934. Video scaling is only possible with the VSX-934. Operation with the Dolby Vision is only possible with the VSX-934.
The number of HDMI inputs/outputs varies depending on the receiver, the TX-SR383 has 4/1, and the VSX-934 has 6/2. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the TX-SR383 and the VSX-934. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. TX-SR383 and VSX-934 support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Pioneer VSX-934.
Ability to create 2 Multi zones inherent in both AV receivers. 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 VSX-934 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the VSX-934. Only in the VSX-934 realized a DTS:X surround technology.