Pioneer VSX-531 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 VSX-531 has such a ratio W/Ohm - 80/8 20Hz-20KHz, 140/6 1KHz, while the HK 3700 has a power of 85/8 20Hz-20KHz. The value of total harmonic distortion is also different, and for the VSX-531 it is 0.08%, but for the HK 3700 it is 0.07%.
Competitive models use the same DAC. None of the compared opponents supports Bi-amping. The model VSX-531 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless connection to the Internet via WIFI can not be performed on these receivers. Each of the receivers has a Bluetooth connector. Support for Apple Music Services not implemented. Spotify is not available for these receivers.
Support for the HDR function can only boast of the VSX-531. HDMI signal transmission in standby mode can provide only the VSX-531. 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 Pioneer VSX-531. HDMI eARC is not supported by the VSX-531 and the HK 3700. When comparing receivers, it becomes clear that only the Pioneer VSX-531 has HDMI CEC. In the presence of a built-in phono stage for connecting a vinyl player only at Harman Kardon HK 3700. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in VSX-531. None of these units 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 Harman Kardon HK 3700 is better receiver in this comparison. Check Harman Kardon HK 3700 price