amp topology of n91 is more like COWON D2 which are more suitable with higher impedance headphones.... they sound tinny with 12-16ohms headphones, while very good @ 32 and above...
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Rigs:
1. Classic 120gb (with ALAC) + boa + hd595
2. 2ndgen Touch 32gb + t4 + ex700
headphones currently owned:
Sennheiser eh-350/205/201/600, Shure e2c/se-420, Sony MDR-ex700, ex-85lp, xb-500...phillips SHE-9700,/SHE-9850, Pioneer SE-MJ2, JBL refererece 420..
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