), a low frequency output is specially designed to connect active subwoofer to build 2.1 channel audio systems, which can strengthen bass sound effects to bring more shocking experience just like in the cinema. With treble and bass control to bring more delicate sound according to your own listening style.
Integrated design of vacuum tubes and transistors, using 6U1/6A2/ECH81 tube for pre-amplificatoin, WY2P tube for recti.