B1s headphone Amplifier (New Variation) is a 2nd generation of B1, a portable amplifier which was well received throughout the world. With completely discrete transistors circuit style and output transistor with class-A biasing, the B1s is a remarkable portable amplifier.
Fully Discrete Class-A Portable Headphone Amplifier
High Quality Yet Affordable
In Addition to High Resolution, Great Dynamics and the Ultra Low Distortion, the B1s uses class-A Amplification, giving the sound a bit of warmth and tenderness
Powerful and Portable