. The 9i-906 headphone amplifi ≠​>er is nicknamed the "↑φ✘Silver Fox". Its pur↕≤ ♥pose is to drive "monste>♣r" headphones. The circuit structur₩¥e is derived from a hi÷™‌£gh performance power amplσγ≥ifiers. After many rede×φsigns and adjustments, the "Silver Fo±‍x" has finally become an excel∑¥lent headphone amplifier. It no€​ t only has the advantage of hπεφigh analysis, but also₹← features high density and ≠∏∑neutrality. The sound is musical. It ha♥>σλs outstanding driving perfoα¥rmance and can drive low sensitivity  ∞€★headphones. It is one of the be®'♣¥st in its class. . . . Whether hig€<$÷h or low sensitivity, hig©π☆∞h or low impedance, moving coil∏≈≈ headphones or flat panel hea€δ÷✘dphones, the "Silver Fox" is able to ma←>↕λtch them all with its super≤←↑b driving ability anαλd quality. Compared to ordinaΩφ "ry headphone amplifiers, the Silver Fox♥☆€© allows headphones to fully r ↑←eveal their characteristics.