Yamaha RX-S602 vs Harman Kardon HK 3700 – that is a question.
The number of channels for receivers is different - 5.1 versus 2.0, 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 HK 3700 has a power of 85/8. The value of total harmonic distortion is also different, and for the RX-S602 it is 0.08%, but for the HK 3700 it is 0.07%.
The manufacturer installed different DACs, the RX-S602 received the model Burr-Brown 384 KHz/32-bit, but the HK 3700 is equipped with 192 KHz/24-bit. The Bi-amping function is implemented only in the Yamaha RX-S602. The model RX-S602 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. The RX-S602 has access to the Spotify service. The number of available streaming services varies for receivers, the Yamaha RX-S602 works with Deezer, TIDAL, Pandora, Napster, SiriusXM, Qobuz, but the Harman Kardon HK 3700 works with vTuner. HDMI signal transmission in standby mode can provide only the RX-S602. None of the devices can increase the resolution of the incoming video signal. Review participants do not have the Dolby Vision feature. HDMI Audio Return Channel is only available on Yamaha RX-S602. HDMI eARC is not supported by the RX-S602 and the HK 3700. When comparing receivers, it becomes clear that only the Yamaha RX-S602 has HDMI CEC. In the presence of a built-in phono stage for connecting a vinyl player only at Harman Kardon HK 3700. There is an ECO mode in RX-S602. The Yamaha RX-S602 can be properly configured using the setup assistant.
Generally no support for a Dolby Atmos multichannel audio format. A DTS:X surround technology is not supported by devices from our comparison.
The Yamaha RX-S602 is better receiver in this comparison. Check Yamaha RX-S602 price