It’s strongly recommended to compare different receivers if you want to choose the best one: Yamaha RX-S602 vs Yamaha AVENTAGE RX-A680.
The number of channels for receivers is different - 5.1 versus 7.2, respectively, for devices. In terms of power, there are differences, the RX-S602 has such a ratio W/Ohm - 80/8, 125/6, while the AVENTAGE RX-A680 has a power of 115/8, 145/6. A common feature for devices is the same total harmonic distortion - 0.08%.
Competitive models use the same DAC. Each of the compared opponents supports Bi-amping. Both Yamaha RX-S602 and Yamaha AVENTAGE RX-A680 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
These units have the same Wi-Fi modules. Each of the receivers has a Bluetooth connector. Both devices can work with such Apple Music services: AirPlay, AirPlay 2. Access to the Spotify service is on each of the competitors. Most popular streaming services are available for our models under consideration - Deezer, TIDAL, Pandora, Napster, SiriusXM, Qobuz.
The HDR10 function is present in each of the rivals. 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-S602 and the AVENTAGE RX-A680. Video scaling is only possible with the AVENTAGE RX-A680. Operation with the Dolby Vision is only possible with the AVENTAGE RX-A680.
The number of HDMI inputs/outputs is the same - 4/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the AVENTAGE RX-A680. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. RX-S602 and AVENTAGE RX-A680 support the standard HDCP 2.3. Unlike most receivers, our models do not have a built-in phono stage for connecting a vinyl player.
Ability to create 2 Multi zones inherent in both AV receivers. Voice control is performed using Amazon Alexa, Google Assistant in both models. There is an ECO mode in either AV receiver. The Yamaha RX-S602 and the Yamaha AVENTAGE RX-A680 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the AVENTAGE RX-A680. Only in the AVENTAGE RX-A680 realized a DTS:X surround technology.