Pioneer VSX-1131 vs Onkyo TX-8270 – that is a question.
The number of channels for receivers is different - 7.2 versus 2.0, respectively, for devices. In terms of power, there are differences, the VSX-1131 has such a ratio W/Ohm - 100/8, 170/6, while the TX-8270 has a power of 160/6. A common feature for devices is the same total harmonic distortion - 0.08%.
The manufacturer installed different DACs, the VSX-1131 received the model AK4458 384 KHz/32-bit, but the TX-8270 is equipped with AK4438 384 KHz/32-bit. The Bi-amping function is implemented only in the Pioneer VSX-1131. Both Pioneer VSX-1131 and Onkyo TX-8270 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 VSX-1131 works with Deezer, TIDAL, Pandora, TuneIn Radio, but the Onkyo TX-8270 works with Deezer, TIDAL, TuneIn Radio.
Support for the HDR function can only boast of each of the AV receivers. The quality of 4K/60Hz signal remains unchanged when transmitting from a source to a TV or projector via HDMI for both receivers. HDMI signal transmission in standby mode can provide only the VSX-1131. Video scaling is only possible with the VSX-1131. Each of the participants of the comparison has a Dolby Vision.
The number of HDMI inputs/outputs varies depending on the receiver, the VSX-1131 has 7/2, and the TX-8270 has 4/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the VSX-1131 and the TX-8270. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. VSX-1131 and TX-8270 support the standard HDCP 2.2. Like most receivers, our models have a built-in phono stage for connecting a vinyl player.
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-1131 and the Onkyo TX-8270 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the VSX-1131. Only in the VSX-1131 realized a DTS:X surround technology.