Pioneer VSX-LX503 is a 9.2-channel device with Multi-Room Audio, which provides the ability to distribute the signal from different sources. The amplifier is capable of delivering 120 W at 8 Ohm, while the SC-LX701, mentioned in the Pioneer VSX-LX503 vs Pioneer SC-LX701 review, has power depending on the impedance - from 135 to 220 W at 4-8 Ohm, respectively. The receiver is equipped with network features such as support for Google Cast and a service TIDAL. The device is also equipped with an MCACC automatic calibration system that takes into account the acoustic characteristics of the room.
Pioneer SC-LX701 is a 9.1-channel receiver equipped with a class D amplifier. The device implements the architecture of a short signal path. It begins with a pair of Analog Devices SHARC processors that work in conjunction with the state-of-the-art multi-channel DSP Texas Instruments Aureus. The SC-LX801 includes an advanced MCACC Pro auto-calibration system with a full range of functions that can be useful for fine room correction in music modes. The receiver also has a full range of current wireless protocols and support for streaming services.
The Pioneer SC-LX701 is better receiver in this comparison. Check Pioneer SC-LX701 price