The BasX A-5175 is a five channel power amplifier that offers true audiophile sound quality at an affordable price. The BasX A-5175 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-5175 at a far lower price than you might imagine. The BasX A-5175 delivers 175 watts RMS per channel at less than 0.1% THD into 8 ohms (two channels driven); THD+N of less than 0.07%; and a signal to noise ratio of 115 dB referenced to full power. The BasX A-5175 has plenty of power to drive even inefficient speakers, and to fill large rooms with awesome sounding music. This makes the BasX A-5175 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.