This was bought just before Krazy Kileys closed down , I bought it from Cal and he has over 30 years experience in car and audio, and he only brought in the best quality brands , and Masconi Gladen is one of those brands. I was running two 12 inch Illusion subwoofers with this amp and ran flawlessly. $200 OBO Please Email me and I will reply within the hour https://mosconi-america.com/portfolio/m-line-600-1/