xDuoo MT-04

Hybrid Tube-Transistor Design Tube preamp stage renders warm, mellow vocals, full mid-range, smooth treble and rich details for fatigue-free long-time listening. Transistors as power stage boast strong power and control, effortlessly driving high-impedance low-sensitivity headphones. It delivers tight bass, fast response and high resolution, performing steadily on dynamic music like symphony and rock. This hybrid architecture combines the merits of both components: the musical warmth of tubes and the powerful drive of transistors, creating an amplifier that sounds superb and drives headphones with ease. Dual-Tube for Warm, Mellow Sound Equipped with two classic 6H3 vacuum tubes for preamplification. It delivers rich, smooth vocals, full-bodied mid-range and delicate, silky treble with abundant details, bringing an immersive and lingering listening experience. Class A Amplification with Powerful Output Adopting transistor-based Class A current expansion circuit, it offers fast transient response and exceptional resolution, with robust drive and solid bass control. Rated at 2200mW output power, it drives all headphones with ease. Balanced Input / Output Features balanced input and balanced output, which greatly improves crosstalk performance, resolution, soundstage and background quietness. Dual Headphone Jacks, Easy & Versatile Fitted with 6.35mm and 4.4mm dual outputs. Compatible with mainstream headphone plugs for plug-and-play use, no adapter required. Adjustable Gain for Multi-Impedance Headphones External gain adjustment switch, compatible with various-impedance in-ear and over-ear headphones. External Ground Terminal to Help Reduce Hum and Noise Custom ground post for MT-04 effectively reduces static interference and annoying hum caused by ungrounded enclosures, delivering pure, quiet sound. Premium Components for Superior Sound It adopts ELNA audio coupling capacitors and Rubycon high-grade filter capacitors. Top-tier parts ensure pure, transparent and vivid sound. Multi-protection Circuits for Worry-free Listening Built-in intelligent relay protection circuit features a 30-second power-on delay to warm up tubes for pure sound. It eliminates on/off pop noise and cuts power automatically against overload and short circuit, fully protecting headphones and the unit. Aluminum Alloy Body & Clear Panel High-strength aluminum casing effectively shields electromagnetic interference. Paired with crystal-clear acrylic front and rear panels, it showcases the internal components in full view.