The present review is aimed to compare two AV receivers - Denon AVR-S570BT vs Denon DRA-900H that are meant to satisfy the needs of cinema and music lovers.
A significant difference between the receivers in the number of channels, Denon AVR-S570BT has 5.2 versus 2.2 for Denon DRA-900H. Regarding power, then AVR-S570BT has such a W/Ohm ratio - 70/8, 90/6 when DRA-900H has a power of 100/8, 120/6. The THD is the same and is 0.08%.
Competitors' digital to analog converter (DAC) is identical to 192 KHz/32-bit. None of the models support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Rivals from our review have Bluetooth support. Only the DRA-900H supports Spotify.
Both AV receivers support HDR10+ technology (High dynamic range). Compared AV receivers retain the quality of 4K/120Hz signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. Both rivals can scale the resolution of the incoming HDMI signal. Dolby Vision technology found support only on the AVR-S570BT.
The Denon AVR-S570BT has 4/1 HDMI inputs/outputs versus 6/1 HDMI connectors of the Denon DRA-900H. The HDMI Audio Return Channel (ARC) feature supports both devices. HDMI eARC is available in each model. 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 2.3. The DRA-900H has a built-in phono stage for connecting a vinyl player. It is also worth noting that the ECO mode is presented in each of the receivers. Both AVR-S570BT and DRA-900H can be configured using the Setup assistant.
None of the rivals equipped with Dolby Atmos multichannel audio decoder. The receivers do not support the surround sound technology DTS:X.