iBasso DX220 MAX
The DX220, maxed out. iBasso Audio took its namesake's dual ESS Sabre ES9028Pro DACs and improved around those where it mattered – a hugely overbuilt power supply conferred by sheer physical size. We preview its exploits here.
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Head-Fi's portable audio digital specialists also proved their analog design chops, fielding an actual analog volume control and employing a full-size, discrete Class A headphone amplificati circuit that outputs 8.8Vrms akin to most any desktop device.
Its balanced 4.4mm or 3.5mm headphone outputs confer superior sound quality to whichever transducer you seek to improve. Look up DX220 MAX's predecessors that inspired its advent here, or check out all our other DAP options here.