I wouldn't call FiiO high-end, they have a pretty wide range in most products (including DAPs) that goes from budget to relatively high-end ($1800). Astell & Ke

I wouldn't call FiiO high-end, they have a pretty wide range in most products (including DAPs) that goes from budget to relatively high-end ($1800). Astell & Kern start about one step down from FiiO's high-end, but can take you much higher (their ULTIMA SP3000 is ~$4300).