Marantz AV7703 vs Harman Kardon HK 3700 – that is a question.
The number of channels for receivers is different - 11.2 versus 2.0, respectively, for devices. The value of total harmonic distortion is also different, and for the AV7703 it is 0.08%, but for the HK 3700 it is 0.07%.
The manufacturer installed different DACs, the AV7703 received the model 192 KHz/32-bit, but the HK 3700 is equipped with 192 KHz/24-bit. The Bi-amping function is implemented only in the Marantz AV7703. The model AV7703 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. The AV7703 has access to the Spotify service. The number of available streaming services varies for receivers, the Marantz AV7703 works with Deezer, TIDAL, Pandora, Napster, iHeart Radio, SiriusXM, Sound Cloud, but the Harman Kardon HK 3700 works with vTuner.
Support for the HDR function can only boast of the AV7703. HDMI signal transmission in standby mode can provide only the AV7703. Video scaling is only possible with the AV7703. Operation with the Dolby Vision is only possible with the AV7703. HDMI Audio Return Channel is only available on Marantz AV7703. HDMI eARC is not supported by the AV7703 and the HK 3700. When comparing receivers, it becomes clear that only the Marantz AV7703 has HDMI CEC. Like most receivers, our models have a built-in phono stage for connecting a vinyl player. There is an ECO mode in AV7703. The Marantz AV7703 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the AV7703. Only in the AV7703 realized a DTS:X surround technology.
The Marantz AV7703 is better receiver in this comparison. Check Marantz AV7703 price