XDUOO MT-604 6J1 Balanced Tube Pre-amp XLR/4.4MM Balanced Input/Output ss-A Hybrid Amplifier

About Tube + Transistor Hybrid amplifier： Front tube amplifier and rear transistor combine the advantages of two amplifier circuits to achieve the ideal sound effect and make you immersed in the happy atmosphere of music Tube Amplifier ：Adopt four 6J1 tubes for pre amp, making voice sweet and exquisite. Transistor for Class-A amplifier： Adopt transistors for class A buffer, output power up to 2000mW, can easily drive many kind headphones. XLR and 4. 4mm balanced input/output： It has XLR and 4.4mm balanced input, 4-pin XLR and 4.4mm balanced output, rich and diverse interfaces, suitable for many kinds of balanced headphones. Built-in Mute Circuit： It built-in relay for mute circuit when turn on amplifier to avoid POP noise and make sure the tube is worked at its best condition.