Audiophilepure

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Powerwise the Q1 does just fine with both sensitive IEMs, portable headphones around 32ohms and gleefully does a decent job of driving the HE400s. That bass boost of the Q1 fattens out nicely on the HE400s giving an added touch of fullness on a headphone not really known for it slamming bass. It won’t command the full potential of the HE400s in terms of imaging and soundstage but it more than adequate for driving capability