Topping A70 Pro balanced headphone amplifier in excellent condition and latest firmware. Includes a new set of 1ft completely transparent XLR interconnects. Tested completely and works flawlessly. Supports 4 and 5 volt DACs via menu, and complete transparency. The A70Pro will power any headphones on the market. We have a Hifiman He6se and -17db in high gain is the loudest safe volume. It's got tons of power left even with the hardest to drive headphones. A 5 volt DAC is recommended to get the most performance, the SMSL DL200 or D-6se are great choices under $200.

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