The xDuoo MH-02 blends the warm, sweet sound of 6J1 tubes with the dynamic performance of a Class-A transistor amplifier, delivering up to 1300mW output power. It features the CS43131 DAC chip, supporting USB decoding for various devices (up to PCM 32-Bit/384kHz, DSD256, MQA 32-Bit/384kHz). The gain switch adjusts for different headphone impedances, and the volume-controlled line output can be used as a pre-amplifier. High-grade Japanese ELNA and RUBYCON capacitors ensure excellent audio quality. Additional features include a gold-plated RCA port, built-in protection circuit, and a sleek design.