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US$20 is a strong bargain against a typical used market centered around US$340, with the 25th percentile at US$169 and the 75th percentile at US$1,000. At that level, it is far below even the low end of the recent comparable asking-price set, so this reads as an unusually cheap buy if the unit is functional.
This is a practical multi-output headphone amp from a long-running pro-audio line, the kind of box that earns its keep by doing one job cleanly: giving you multiple headphone feeds from a single source. At US$20, the upside is hard to argue with, especially if it powers up quietly and all outputs work. I would just confirm basic operation, since on a cheap older utility piece the real value is in clean channels, solid jacks, and a healthy power supply.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
HeadAmp Audio Electronics emerged in 2002 from Charlottesville, Virginia, with a singular mission to elevate headphone listening through meticulously engineered amplification. The company's inaugural product, the Gilmore Dynamic headphone amplifier, drew on a high-end discrete design by renowned engineer Kevin Gilmore, setting the tone for its engineering-forward philosophy. Rooted in American precision craftsmanship, HeadAmp has remained committed to in-house design and assembly, prioritizing transparency and fidelity to the source material.
The brand specializes in headphone amplifiers and preamplifiers, spanning a versatile lineup from compact models like the Pico Slim for in-ear monitors to flagship electrostatic powerhouses such as the legendary Blue Hawaii SE. While amplifiers form the core, HeadAmp also curates premium headphones from elite makers like Audeze, Chord, Focal, and Sennheiser, alongside DACs, digital sources, cables, and accessories to complete discerning setups.
In the high-end audiophile market, HeadAmp commands a niche boutique reputation for uncompromising performance, earning worldwide acclaim as a purveyor of the finest headphone electronics. Its products excel at unlocking any headphone's potential—regardless of driver type, efficiency, or impedance—appealing to serious enthusiasts who demand uncolored, dynamic sound reproduction without compromise.
See all HeadAmp listings on RADAR.
