The Denon AVRS730H vs Sherwood RX-4508 comparison will be extremely helpful for people who want to get a great, powerful receiver with many functions.
The number of channels for receivers is different - 7.2 versus 2.0, respectively, for devices. In terms of power, there are differences, the AVRS730H has such a ratio W/Ohm - 75/8, 110/6, while the RX-4508 has a power of 100/8. The value of total harmonic distortion is also different, and for the AVRS730H it is 0.08%, but for the RX-4508 it is 0.09%. None of the compared opponents supports Bi-amping. In the considered devices there is no function transmitting an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless Internet connection via WIFI is only possible with AVRS730H. Each of the receivers has a Bluetooth connector. The AVRS730H has access to the Spotify service.
Support for the HDR function can only boast of the AVRS730H. HDMI signal transmission in standby mode can provide only the AVRS730H. None of the devices can increase the resolution of the incoming video signal. Operation with the Dolby Vision is only possible with the AVRS730H. HDMI Audio Return Channel is only available on Denon AVRS730H. HDMI eARC is not supported by the AVRS730H and the RX-4508. When comparing receivers, it becomes clear that only the Denon AVRS730H has HDMI CEC. In the presence of a built-in phono stage for connecting a vinyl player only at Sherwood RX-4508. There is an ECO mode in AVRS730H. The Denon AVRS730H can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the AVRS730H. Only in the AVRS730H realized a DTS:X surround technology.