The Power to Drive The Power II Amp Card is upgraded from the one formerly used with the HM801. The Power II Amp Card features a simple yet elegant and pure circuit design to reduce noise, improve sound quality and increase usability with any headphone or earphone. Once again, it defines the keynote of HIFIMAN audio products: relaxing, mellow and smooth. Compared with the prior product, HIFIMAN takes the design further by reducing the heat emission and gain higher indication. It is particularly adaptable for even the most difficult-to-drive headphones. Specification: Max. Output: 2.65V THD: 0.08% Frequency Response: 20Hz-20KHz Separation: 85dB SNR (A Weight): 108dB
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