Quad Tubes: Features two 5654W and two 6AC7 vacuum tubes for two-stage amplification. The 5654W tubes boost voltage, while the 6AC7 tubes handle power amplification. This setup delivers balanced, transparent, and textured sound;
User-Friendly Design: This tube headphone amp preamplifier offers intuitive controls, including a large volume knob, dual-side ventilation holes, bass & treble controls, high and low impedance mode switching, making it versatile enough;
Two-in-One: It supports low and high impedance modes switching to adapt 16-300 headphones, and features 6.35 mm/ 3.5 mm headphone jacks on the front and RCA Input/Output on the rear for home audio HiFi system integration; 100%
Shielded Cables: Ensures the integrity of signal transmission, minimizes crosstalk, and safeguards the internal conductors; 0.3 m/ 11.81 in
Length: Streamlines your desktop setup and facilitates easy connections