Pioneer VSX-1131 vs Harman Kardon HK 3700 – that is a question.
The number of channels for receivers is different - 7.2 versus 2.0, respectively, for devices. In terms of power, there are differences, the VSX-1131 has such a ratio W/Ohm - 100/8, 170/6, while the HK 3700 has a power of 85/8. The value of total harmonic distortion is also different, and for the VSX-1131 it is 0.08%, but for the HK 3700 it is 0.07%.
The manufacturer installed different DACs, the VSX-1131 received the model AK4458 384 KHz/32-bit, but the HK 3700 is equipped with 192 KHz/24-bit. The Bi-amping function is implemented only in the Pioneer VSX-1131. The model VSX-1131 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. The VSX-1131 has access to the Spotify service. The number of available streaming services varies for receivers, the Pioneer VSX-1131 works with Deezer, TIDAL, Pandora, TuneIn Radio, but the Harman Kardon HK 3700 works with vTuner.
Support for the HDR function can only boast of the VSX-1131. HDMI signal transmission in standby mode can provide only the VSX-1131. Video scaling is only possible with the VSX-1131. Operation with the Dolby Vision is only possible with the VSX-1131. HDMI Audio Return Channel is only available on Pioneer VSX-1131. HDMI eARC is not supported by the VSX-1131 and the HK 3700. When comparing receivers, it becomes clear that only the Pioneer VSX-1131 has HDMI CEC. Like most receivers, our models have a built-in phono stage for connecting a vinyl player. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in neither AV receiver. The Pioneer VSX-1131 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the VSX-1131. Only in the VSX-1131 realized a DTS:X surround technology.