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New, this Audio-gd interface and its optional Class A supply were priced around USD190 and USD75 respectively, making USD300 a fair used-market ask rather than a bargain. Your comparable listings put the median at USD375, with the 25th percentile at USD300, so this sits at the low end of normal pricing and looks sensible if the external supply is included and everything works.
It remains a worthwhile buy for a system needing USB-to-coax conversion, particularly where BNC and RCA outputs are useful. The interface is known for a relaxed, neutral presentation and asynchronous USB operation, while the Class A supply is a tidy upgrade for coaxial use, though it is not essential and published listening impressions found its sonic benefit modest. Verify that the correct power lead, USB input, and both digital outputs function before buying; otherwise, USD300 is a reasonable entry point for this older but capable box.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Audio-gd, a high-end Chinese audio brand, traces its origins to over two decades of operation, with products like the DAC-19 now marking a tenth anniversary. Founded and led by Mr. He Qinghua, a First Prize winner in the National Semiconductor (USA) Audio competition, the company has built its heritage on innovative engineering from China, emphasizing proprietary technologies such as the ACSS (Audio-gd Current Signal System) for current-domain signal transmission.
The brand specializes in two-channel hi-fi components, including DACs renowned for R2R ladder converters, preamplifiers, headphone amplifiers, and balanced designs in its flagship Master and HE series. These products incorporate advanced features like regenerative power supplies, positioning Audio-gd as a purveyor of digital-to-analog converters and amplification solutions rather than speakers, turntables, or headphones.
Audio-gd holds a strong niche in the high-end market, celebrated for exceptional price-to-performance ratios that deliver refined, silent soundscapes—earning multiple Qobuzism awards for standout models. Boutique appeal draws discerning buyers seeking value-driven excellence over mainstream luxury pricing, with a reputation for technical prowess that shocks even seasoned audiophiles.
See all Audio-gd listings on RADAR.
