Preffair Amplifier Decoder Speaker Audio Grounding Box Tuning Box Power Purifier

effect

1.The sound system background becomes darker and more quiet;

2.The details increase, the sound is clean without losing fullness, and the high frequency is round;

3.After the sound field moves backward, the instrument has higher separation degree, better dynamics, and the sound field becomes three-dimensional.

Prompt before use

Roll the Audio Grounding Box to make the internal materials evenly distributed;

Audio Grounding Box is very sensitive to shock and cannot be placed on the speaker.