Hi folks, I am new to this forum and need some help. Since now I used a Sansa E280 with Sennheiser CX300, Sony MDR-EX35 and AKG K 416P (and at last Senn CX300-II prec). At home the Sansa is connected directly to a Teufel Concept E. Mainly i listen to jazz, rock/pop (no hard-rock) and...