Fosi Audio Introduces Cutting-Edge MD3 and DS3 Portable Headphone Amp/DAC with Revolutionary Features
By HiFi Editorial24 February 2026
Key Highlights
The Fosi Audio MD3 is a compact, aesthetically designed headphone amp/DAC that attaches magnetically via MagSafe technology for seamless integration with smartphones.
Featuring an ESS ES9039Q2M DAC and four ES9603 headphone amplifiers in a balanced circuit, it delivers premium audio fidelity.
The MD3 provides dual USB-C ports for concurrent usage and charging, and includes a rotatable 1.28-inch LCD display and physical controls.
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