Hifiman EF400 Amplifier and DAC - Discontinued 3.5mm female 20Hz – 20kHz

20Hz – 20kHz

Every single full charge offers up to 35 hours of music playback

USB bus power is not supported

the headset is nearly as light as air

Hifiman EF400 Amplifier and DAC - Discontinued 3.5mm female 20Hz – 20kHzMassive Power and Superior Sound from a Sleek and Stylish Chassis In 2012, Dr. Fang Bian and his team at HIFIMAN introduced the EF6, the legendary desktop DAC amplifier that delivers gobs of power for a wide, detailed soundstage. Ten years later, HIFIMAN is proud to introduce a new model, EF400, that incorporates the best of recently developed technologies, especially the company's advanced HIMALAYA R2R DAC. The EF400 is the modern desktop DAC Amp