Shipping costs and delivery speed are calculated based on the delivery location.
The Head Box RS is a high-quality headphone amplifier with a fully balanced tube input stage (dual triode tube 6922) and a Class A "FET (Field Effect Transistor)" output stage. It features balanced and unbalanced inputs, as well as balanced and unbalanced bypass sockets for using the pass-through input signal with other components.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.