It makes sense comparing Pioneer VSX-LX303 vs Integra DTM-6 because they both are able to give some premium features.
A significant difference between the receivers in the number of channels, Pioneer VSX-LX303 has 9.2 versus 2.0 for Integra DTM-6. Regarding power, then VSX-LX303 has such a W/Ohm ratio - 100/8, 200/6 when DTM-6 has a power of 80/8. The THD is the same and is 0.08%.
Characteristics of digital to analog converter (DAC) are different, AK4458 384 KHz/32-bit for VSX-LX303 and AK4438 384 KHz/32-bit for the DTM-6. Only the VSX-LX303 supports Bi-amping feature. The Pioneer VSX-LX303 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
WI-FI modules have the same characteristics: 2.4/5GHz. Rivals from our review have Bluetooth support. The Apple Music service is implemented on considered devices: AirPlay. Spotify can be used on each receiver. Deezer, TIDAL, Pandora, TuneIn Radio - all of these streaming services have found application in each of the models. Only the VSX-LX303 provides HDMI signal transmission in standby mode. The VSX-LX303 can scale the input HDMI signal, unlike the DTM-6. Dolby Vision technology found support only on the VSX-LX303. Only the VSX-LX303 supports HDMI Audio Return Channel (ARC). Unfortunately, HDMI eARC is not available on monitored devices. Of the two receivers in our comparison, HDMI CEC is present in only the VSX-LX303. These compared receivers have a built-in phono stage for connecting a vinyl player.
The VSX-LX303 supports 3 Multi-room zones, versus 2 for the DTM-6. Supported voice control technologies are identical - Google Assistant. An ECO mode is not present in each of the AV receivers. The setup assistant will help you configure Pioneer VSX-LX303.
Only the VSX-LX303 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the VSX-LX303.