I tried FiiO’s M15S hi-res audio player and it’s a musical powerhouse – even with cans

FiiO is a name that’s often said in the same sentence as ‘hi-res audio player’ and ‘Astell & Kern’ – and its latest player, the FiiO M15S, is easily the best FiiO player I’ve got my mitts on. We covered the M15S when it launched in March, but to recap: it features dual desktop-grade ES9038PRO DACs, support for up to 384kHz/DSD256 hi-res audio, MQA, Roon, aptX HD, LDAC and LHDC, plus 3.5mm single-ended and 2.5mm/4.4mm balanced headphone outputs.And it does it

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