1 PCS Dc Finished Board 6K4 Tubes Preamp Board with Boost Version T3I49720
Wide range of electronic tube and gallbladder front stage configurations: Supports any low-level signal input
Upgraded version design: Suitable for various models of bile duct restoration True sound, Front stage amplification improves vocals
The front panel of the electronic tube must be connected to an active speaker or a rear amplifier, and cannot be connected to the car. Passive speakers, speakers, headphones, and amplifiers are not allowed

Colour:As Shown
Material:PCB

Package Contents:
1 * Version Preamp Board Amplifier Hifi