The Onkyo TX-SR383 vs Marantz CINEMA 50 comparison proves that these receivers have many common features.
A significant difference between the receivers in the number of channels, Onkyo TX-SR383 has 7.2 versus 9.4 for Marantz CINEMA 50. Regarding power, then TX-SR383 has such a W/Ohm ratio - 100/8, 135/6 when CINEMA 50 has a power of 110/8, 150/6. The THD is 0.09% for the TX-SR383 but 0.08% for the CINEMA 50.
Characteristics of digital to analog converter (DAC) are different, 192 KHz/24-bit for TX-SR383 and 192 KHz/32-bit for the CINEMA 50. Only the CINEMA 50 supports Bi-amping feature. The Marantz CINEMA 50 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Rivals from our review have Bluetooth support. Only the CINEMA 50 supports Spotify. HDMI signal transmission in standby mode is implemented in each of the devices. The CINEMA 50 can scale the input HDMI signal, unlike the TX-SR383. Dolby Vision technology found support only on the CINEMA 50.
The Onkyo TX-SR383 has 4/1 HDMI inputs/outputs versus 6/3 HDMI connectors of the Marantz CINEMA 50. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the CINEMA 50. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. The TX-SR383 supports the protection of digital content of the standard HDCP 2.2, versus HDCP 2.3 in the CINEMA 50. The CINEMA 50 has a built-in phono stage for connecting a vinyl player.
Each of the AV receivers from our review supports 2 Multi-room zones. An ECO mode is only available for the CINEMA 50. The setup assistant will help you configure Marantz CINEMA 50.
Only the CINEMA 50 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the CINEMA 50.