The Yamaha RX-V681BL vs Onkyo TX-SR343 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 5.1, respectively, for devices. In terms of power, there are differences, the RX-V681BL has such a ratio W/Ohm - 90/8, 150/4, while the TX-SR343 has a power of 100/6. The value of total harmonic distortion is also different, and for the RX-V681BL it is 0.06%, but for the TX-SR343 it is 0.08%.
The manufacturer installed different DACs, the RX-V681BL received the model Burr-Brown 192 KHz/24-bit, but the TX-SR343 is equipped with TI Burr-Brown 192 KHz/24-bit. The Bi-amping function is implemented only in the Yamaha RX-V681BL. The model RX-V681BL can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless Internet connection via WIFI is only possible with RX-V681BL. Each of the receivers has a Bluetooth connector. The RX-V681BL has access to the Spotify service. The quality of 4K/60Hz signal remains unchanged when transmitting from a source to a TV or projector via HDMI for both receivers. Signaling over HDMI in standby mode can provide the RX-V681BL and the TX-SR343. Video scaling is only possible with the RX-V681BL. Operation with the Dolby Vision is only possible with the RX-V681BL.
The number of HDMI inputs/outputs varies depending on the receiver, the RX-V681BL has 6/1, and the TX-SR343 has 4/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the RX-V681BL and the TX-SR343. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. RX-V681BL and TX-SR343 support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Yamaha RX-V681BL. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in RX-V681BL. The Yamaha RX-V681BL can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the RX-V681BL. Only in the RX-V681BL realized a DTS:X surround technology.