Pioneer VSX-LX102 vs Harman Kardon AVR 1510 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Pioneer VSX-LX102 has 7.2 versus 5.1 for Harman Kardon AVR 1510. Regarding power, then VSX-LX102 has such a W/Ohm ratio - 80/8, 170/6 when AVR 1510 has a power of 75/8, 75/6. The THD is 0.08% for the VSX-LX102 but 0.09% for the AVR 1510.
Characteristics of digital to analog converter (DAC) are different, AK4438 384 KHz/32-bit for VSX-LX102 and 192 KHz/24-bit for the AVR 1510. Only the VSX-LX102 supports Bi-amping feature. The Pioneer VSX-LX102 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Only the VSX-LX102 has Bluetooth support. Only the VSX-LX102 supports Spotify. Compared AV receivers retain the quality of 4K/60Hz signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. The VSX-LX102 can scale the input HDMI signal, unlike the AVR 1510. Dolby Vision technology found support only on the VSX-LX102.
Each receiver has 4/1 HDMI inputs/outputs. The HDMI Audio Return Channel (ARC) feature supports both devices. Unfortunately, HDMI eARC is not available on monitored devices. Of the two receivers in our comparison, HDMI CEC is present in only the VSX-LX102. Both models support the standard HDCP 2.2. The VSX-LX102 has a built-in phono stage for connecting a vinyl player. A voice control is not available. An ECO mode is only available for the VSX-LX102. The setup assistant will help you configure Pioneer VSX-LX102.
Only the VSX-LX102 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the VSX-LX102.
The Pioneer VSX-LX102 is better receiver in this comparison. Check Pioneer VSX-LX102 price