Fidelity Audio HPA-100
"Fidelity Audio headphone amplifiers embrace our philosophy of using only the finest passive parts and outstanding power supplies coupled with a simple unfettered audio path. Designing with this philosophy has enabled the headphone amplifiers to produce a clear and grain-fr..
Fidelity Audio HPA-200
Building on the many strengths of the HPA-100, the 200 utilises meatier power supplies and top-of-the-range voltage regulation. The power transformer’s capacity is raised from 15VA to 30VA and in place of the more basic voltage regulators we use our own SPower low noise reg..