RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
This is a fair ask, leaning slightly strong rather than a bargain. New pricing for the AH90 sits around £470, and recent used examples have appeared roughly in the £270-£350 band, so £200 is comfortably below the usual second-hand level and looks like a good buy if it’s genuinely working.
It’s well regarded because it packs a serious DAC, streamer, and headphone amp into one box, with a clean, detailed presentation and enough flexibility to suit a lot of desktop systems. That all-in-one usefulness is the real upside here, especially if it comes with the original PSU, remote, and clean firmware history; just verify those basics and that there are no channel, display, or network quirks before committing.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Gustard is a Chinese hi-fi brand headquartered in Shenzhen, a hub for technology innovation, where it specializes in research and development of digital audio components. Emerging from Shenzhen Geshide Dianzi Electronics, the company has carved a niche without a prominent founding year or notable individual founder highlighted in public records, focusing instead on engineering-driven designs since its inception in the digital audio boom.
The brand excels in DACs (digital-to-analog converters) and headphone amplifiers, offering models like the delta-sigma X30, A26, and A18 series alongside R2R ladder designs such as the R26 and R30. These incorporate premium chips like ESS ES9039SPRO in quad-mono setups and AKM AK4499EX, supporting high-resolution audio, streaming, and clock synchronization for precise playback. While not venturing into speakers, turntables, or cables, Gustard emphasizes measurable transparency in frequency response, crosstalk, THD+N, and SNR.
Positioned as a mid-to-high-end contender, Gustard delivers rational, science-backed performance that rivals pricier competitors, appealing to discerning buyers seeking value in transparent sound. Reviews praise its spectacular results and R2R appeal for audiophiles, though some note room for pricing refinement against delta-sigma peers. It holds strong favor among enthusiasts for accessible excellence from China.
See all Gustard listings on RADAR.
