The BasX A-500 is a five channel power amplifier that offers true audiophile sound quality at an affordable price. The BasX A-500 includes a carefully chosen set of important features, including a heavy-duty power supply, high-quality Class A/B amplification, transparent audiophile-quality fault protection, a trigger input and output, and industry standard unbalanced audio inputs. Modern manufacturing techniques, and careful design and parts selection, have enabled us to deliver all of this performance and great sound quality in the BasX A-500 at a far lower price than you might imagine. The BasX A-500 delivers 110 watts RMS per channel at less than 0.1% THD into 8 ohms (two channels driven); THD+N of less than 0.02%; and a signal to noise ratio of 120 dB referenced to full power. This makes the BasX A-500 the ideal amplifier to power a great sounding 5.1 channel surround sound system, a great way to upgrade the power amplifier section of your AVR, and a perfect companion to our MC-700 surround sound processor.