I'm looking for the older silver DD amps. I just bought a c4a and would like matching amps for it. Condition is not that important as the won't be seen and probably refinished anyway. If you have a mono and it's your sub amp I have a vfl 100.1 I can offer in trade plus cash to keep you playing. Thanks and let me know. I could use another 2 or 4 channel and or a mono. Thanks