Marantz NR1609 provides full three-dimensional sound thanks to support for DTS: X and Dolby Atmos formats in 5.1.2-channel configuration. The device is equipped with an amplifier with high-current transistors at the output, which guarantees a power of 50 watts per channel at 6 ohms. Audyssey MultEQ system is used to set up the speakers in accordance with the geometry and acoustic features of the room. The Marantz NR1609 has dual-band Wi-Fi, and thanks to it there is support for the online services Spotify, Deezer, and Tidal.
The Harman Kardon AVR 1710 based on the 700W amplifier that making this receiver significantly more powerful versus Marantz NR1609. For home theater, it has the support of DTS-HD Master Audio and Dolby TrueHD decoding and 4K scaling. The EzSet / EQ III system is responsible for automatic sound calibration. It adjusts the delay-time and volume levels settings based on the speaker distances and on the dimension of the room. If compare Harman Kardon AVR 1710 vs Marantz NR1609, that AVR 1710 has fewer network capabilities since it has only Ethernet support.
The Marantz NR1609 is better receiver in this comparison. Check Marantz NR1609 price