The BasX A7 is a seven channel power amplifier that delivers 90 watts / channel into 8 Ohms and 125 watts / channel into 4 Ohms all channels driven with a rated THD+N of < 0.02% and an A-weighted S/N ratio of 115 dB. The BasX A7 features a heavy-duty linear power supply high-quality Class A/B amplification transparent fault protection and a trigger input and output. High quality industry standard unbalanced RCA inputs enable the BasX A7 to be used with almost any preamp or processor and audiophile grade five way speaker terminals accept banana plugs spade lugs or bare wire. These features combine to enable the BasX A7 to deliver true audiophile performance and sound quality at an amazingly affordable price. The BasX A7 is a great choice if youre looking for a high quality seven channel amplifier to go with a processor in a new 7.1 channel surround sound system or if youre looking for an easy way to upgrade the amps in your existing surround sound receiver.