It’s strongly recommended to compare different receivers if you want to choose the best one: Pioneer SC-LX801 vs Onkyo TX-SR444.
The number of channels for receivers is different - 9.2 versus 7.1, respectively, for devices. In terms of power, there are differences, the SC-LX801 has such a ratio W/Ohm - 140/8 20Hz-20KHz, 200/6 1KHz, 255/4 1KHz, while the TX-SR444 has a power of 100/6 1KHz. A common feature for devices is the same total harmonic distortion - 0.08%.
The manufacturer installed different DACs, the SC-LX801 received the model ESS SABRE32 Ultra 192 KHz/32-bit, but the TX-SR444 is equipped with TI Burr-Brown 192 KHz/24-bit. The Bi-amping function is implemented only in the Pioneer SC-LX801. Both Pioneer SC-LX801 and Onkyo TX-SR444 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. The SC-LX801 has access to the Spotify service. The quality of 4K 60p 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 SC-LX801 and the TX-SR444. Video scaling is only possible with the SC-LX801. Operation with the Dolby Vision is only possible with the SC-LX801.
The number of HDMI inputs/outputs varies depending on the receiver, the SC-LX801 has 8/2, and the TX-SR444 has 4/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the SC-LX801 and the TX-SR444. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. SC-LX801 and TX-SR444 support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Pioneer SC-LX801.
Unlike the SC-LX801 where 3 Multi zones is provided, the TX-SR444 works with 2 Multi zones. 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 SC-LX801 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available both models. Only in the SC-LX801 realized a DTS:X surround technology.
The Pioneer SC-LX801 is better receiver in this comparison. Check Pioneer SC-LX801 price