I have 3 Yamaha MX-630's for sale......below you will find a few pics and specs. Here is a link to the users manual just type in the model number
http://www.yamaha.co.jp/manual/english/
Specs short version:
135 Watts per channel in 8ohms with .003%THD
160 Watts per channel in 6ohms with .007%THD
190 Watts per channel in 4ohms with .02%THD
Front level controls
Dual output terminals for up to 4 speakers.
No major scratches one has a small dent in the top and one has a bent speaker terminal it is not bad and still functions fine. They just need a little cleaning.
Lets say $110.00 EACH plus Shipping
best way to contact me is email
simplysound@msn.com
Murrel