An affordable AV receiver is always a good option to consider, so Denon AVR-S940H vs Sony STR DH550 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Denon AVR-S940H has 7.2 versus 5.2 for Sony STR DH550. Regarding power, then AVR-S940H has such a W/Ohm ratio - 90/8, 125/6 when STR DH550 has a power of 90/6. The THD is 0.08% for the AVR-S940H but 0.09% for the STR DH550.
Characteristics of digital to analog converter (DAC) are different, 192 KHz/32-bit for AVR-S940H and 192 KHz/24-bit for the STR DH550. None of the models support Bi-amping. The Denon AVR-S940H can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Only the Denon AVR-S940H can connect to the Internet via WI-FI. Only the AVR-S940H has Bluetooth support. Only the AVR-S940H supports Spotify. Only the AVR-S940H provides HDMI signal transmission in standby mode. The AVR-S940H can scale the input HDMI signal, unlike the STR DH550. Dolby Vision technology found support only on the AVR-S940H.
The Denon AVR-S940H has 8/2 HDMI inputs/outputs versus 4/1 HDMI connectors of the Sony STR DH550. The HDMI Audio Return Channel (ARC) feature supports both devices. Unfortunately, HDMI eARC is not available on monitored devices. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. Both models support the standard HDCP 2.2. The AVR-S940H has a built-in phono stage for connecting a vinyl player. An ECO mode is only available for the AVR-S940H. The setup assistant will help you configure Denon AVR-S940H.
Only the AVR-S940H has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the AVR-S940H.
The Denon AVR-S940H is better receiver in this comparison. Check Denon AVR-S940H price