Onkyo TX-SR343 vs Denon AVRX6300H comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Onkyo TX-SR343 has 5.1 versus 11.2 for Denon AVRX6300H. Regarding power, then TX-SR343 has such a W/Ohm ratio - 100/6 when AVRX6300H has a power of 140/8, 175/6. The THD is 0.08% for the TX-SR343 but 0.05% for the AVRX6300H.
Characteristics of digital to analog converter (DAC) are different, TI Burr-Brown 192 KHz/24-bit for TX-SR343 and 192 KHz/32-bit for the AVRX6300H. Only the AVRX6300H supports Bi-amping feature. The Denon AVRX6300H can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Only the Denon AVRX6300H can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the AVRX6300H supports Spotify.
Only the Denon AVRX6300H has support for High dynamic range (HDR). Compared AV receivers retain the quality of 4K/60Hz signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. The AVRX6300H can scale the input HDMI signal, unlike the TX-SR343. Dolby Vision technology found support only on the AVRX6300H.
The Onkyo TX-SR343 has 4/1 HDMI inputs/outputs versus 8/3 HDMI connectors of the Denon AVRX6300H. 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 AVRX6300H has a built-in phono stage for connecting a vinyl player. An ECO mode is only available for the AVRX6300H. The setup assistant will help you configure Denon AVRX6300H.
Only the AVRX6300H has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the AVRX6300H.