Audiophilepure

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“With an impedance of 42Ohm and only 87dB, the HEDDphone isn’t the easiest to drive and that shows with the different amps I’ve used it with. It’s not that it’s impossible to drive though, but you’ll see the volume dial go up compared to your regular planar magnetic and dynamic headphones.

When I first heard the difference between balanced an single ended mode I figured it was the Niimbus US4+ that was acting up, but when I switched to the Topping DX7 Pro, I got the exact same result. The DX7 PRO is an incredible DAC/AMP and it totally outperforms its price. With the DX7 Pro and HEDDphone combo, you get more energetic upper mids and treble in both modes. The upper mids and vocals are even more clear and defined as it’s where the Topping DX7 pro really shines.”