6J1 Tube Amplifier Preamp Board Dual Channel Class A Volume Control Tone Preamplifier Boards with Cryst Finish Board

Features:
This product uses A-C 12 voltage power, the output audio signal can be directly used for various post-level digital power amplifier board.
The tube buffer is amplified by about 2 times, and is connected between the sound source and the post-stage power amplifier.
It can effectively filter the digital taste, making the human voice become more realistic, with a timbre and a strong daring.
Left and right channel input: for audio signal input, you can connect to mobile phone, MP3, mp4 and other music players.
Left and right channel output: for the audio signal output terminal, can be connected to the amplifier, the audio signal input end of the power amplifier board, to provide a bizarre music enjoyment for the later stage power amplifier.