Tube Integrated Amplifier
This unit can easily power high-performance headphones including the HD 580, HD 600, HD 650, K 701, K 702, Q 701, and many more. 24~600Ω headphones would be recommended and armature earphones are not suitable.
Package includes: headphone amplifier, 6J9 vacuum tubes (x2), and power supply.
Input and output audio jacks are both 3.5 mm. Please note, package does not include audio cables.
Replacement vacuum tubes include: E180F, 6ж9П, EF861, and 6688.