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Thread Starter 

Hello guys!

I'v just got a great old headphone (Kenwood KH 71, 1970), which has an inpedance of 8 ohm and maximun input power 0.5W.

Before I bought the headphone, I was informed that an extremely low inpedance headphone is even more hard to drive than hd650.

And when I got the KH 71, I find it really performs terribly with Fiio E7, Sony M10 (an excerllent recorder) and my laptop.

The volum is large enough but the sound is totally chaos..............

So I really hope to know whether the Fiio E9 can drive my old headphone well.


Could u PLS give me some advice? Thx a lot!