please, can anyone answer this question?i have a sunn sx 8350. it powers on but its missing 5 slider knobs. i dont know anything about what it does or what it is... it powers on but i dont have any way to actually find out if it works. i want to sell it locally so i dont have to deal with shipping if i can. How much should i ask for? if i shouldnt be on this site for questions, please reccomend another place i could find info.. thx