Question: what is the difference between 7.1 and 7.2 channel receiver?
Answer: The main difference between these two setups is the number of subwoofers. 7.2 has dual subwoofers, while 7.1 offers the traditional single subwoofer. This brings out one of the differentiating qualities of the two. 7.2 enables a more even bass surround sound compared to 7.1.