XDuoo TA20 Plus Balanced Tube Headphone Amplifier 4.4mm Balanced Headphone Out 6.35mm Headphone Out

Features:
It is a fully balanced circuit from input to output, which greatly improves the Crosstalk, resolution, sound field and SNR.
Adopt 5Z4P tube for rectification, make the sound more tube sense.
Using double 12AU7 tube to amplify audio signal, make the sound sweet and refined.
Adopt transistors for class A buffer, so it can easily drive many kind headphoneswith strong output power.
Adopt the metal polyester film capacitor customized by xduoo as the coupling capacitance of tube output.
Adopt the special enthusiast Japanese ELNA SILMIC(I) capacitance as the coupling capacitance, have transparent and sweet sound.
Adopt the special enthusiast Japanese NICHICON FW(M)capacitance as the main filter capacitance, have smooth and warm sound, and splendid high frequency.
It is used digital volume adjustment chips to solve the problem of unbalanced left and right channels at low volume.
It built-in mute circuit when turn on amplifier to avoid POP noise and make sure the tube is worked at its best condition.
Adopts the high-quality E type transformer with low noise and low leakage flux specially for audio amplifiers.
Use aluminum shielded case to prevent external interference noise.