Little Bear G4 is an Guitar effect consisted of a vacuum tube and an Op-amp chip. The tube part is for amplifying and mixing the original guitar signal, while the Op-amp part is for amplifying the current outputted to headphones.
Little Bear G4 can transfer the signal to other effectors by adjusting the BYPASS switch. Compared with its original signal, it will be much warmer after the modification of the vacuum tube.
The package includes a 3.5mm conversion plug, which makes the AUX input function available. With this plug, background music or practicing music in your MP3 or mobile phones can be outputted while playing the guitar. Simple and useful.
There is a power button and a BYPASS switch on its top. For the BYPASS switch, you need to know that the volume can't be adjusted via G4 and you will hear the original sound of the guitar without the modification of the tube.