What is better - Marantz SR8015 vs Onkyo TX-RZ50?
The number of channels for receivers is different - 11.2 versus 9.2, respectively, for devices. In terms of power, there are differences, the SR8015 has such a ratio W/Ohm - 140/8, 175/6, while the TX-RZ50 has a power of 120/8, 250/6. The value of total harmonic distortion is also different, and for the SR8015 it is 0.05%, but for the TX-RZ50 it is 0.08%. Each of the compared opponents supports Bi-amping. Both Marantz SR8015 and Onkyo TX-RZ50 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, AirPlay 2. Access to the Spotify service is on each of the competitors. Most popular streaming services are available for our models under consideration - Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud.
The quality of 4K/120Hz 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 SR8015 and the TX-RZ50. Each of the devices can increase the resolution of the incoming video signal. Each of the participants of the comparison has a Dolby Vision.
The number of HDMI inputs/outputs varies depending on the receiver, the SR8015 has 8/3, and the TX-RZ50 has 7/2. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is supported by the SR8015 and the TX-RZ50. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. SR8015 and TX-RZ50 support the standard HDCP 2.3. Like most receivers, our models have a built-in phono stage for connecting a vinyl player.
Unlike the SR8015 where 3 Multi zones is provided, the TX-RZ50 works with 2 Multi zones. Voice control is performed using Amazon Alexa, Google Assistant, Siri, Josh.AI in both models. There is an ECO mode in either AV receiver. The Marantz SR8015 and the Onkyo TX-RZ50 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available both models. A DTS:X surround technology is supported by devices from our comparison.