Astell & Kern HC4 review: a petite but powerful DAC that sometimes oversteps the mark
Astell & Kern HC4: Two-minute review Astell & Kern is no stranger to digital audio in all shapes and sizes, and the A&K HC4 is its latest attempt to coax worthwhile sound quality from your smartphone or laptop – and for good measure, it’s got strong gaming credentials too. It’s a thoroughly specified little device, from its high-end AKM AK4493S DAC chipset via its balanced and unbalanced headphone outputs to its support for UAC 1.0 as well as UAC 2.0 to ensure compatibility with as many gaming devices as possible. Its aluminium construction looks and feels smart, too – so while there’s not much of it, the AK HC4 nevertheless appears to offer decent value for money. And when it comes to its single function – taking the digital audio information from your source device and converting it to the analogue equivalent – there’s plenty to admire here. The HC4 sounds big and organised, and extracts a lot of detail from a recording – it’s a peppy and informative listen. It overpl...