Feature:1. Sensitive Response: The VU meter head has better effect, the needle swings quickly, the response is sensitive, the wide range voltage regulator circuit, and the working performance is more stable.2. Professional Manufacturing: Professional manufacturing, superb craftsmanship and high exactness help to provide the best performance.3. Automatic Adjustment: Automatically adjust the output voltage according to the backlight voltage of the VU meter, and support high frequency and low access.4. Lightweight and Portable: Driver board is light in weight, small in size, easy to carry and store, convenient and fast, and stable in performance.5. Applicable Scenarios: VU meter driver board has a wide range of applications, mainly used in DIY, recording studios, mixers, home audio, etc.How to Use:1. AC/ DC12‑16V power supply.2.L, G, R: This is the dual channel input terminal of low level signal of driving electric board, which can connect to mobile phone,Audio of computer sound card, front stage and other audio source equipment (the signal is the signal that the earphone can hear),When wiring, L, G and R are respectively connected to the left, ground and right sound channel of the audio source equipmentNote: can not be connected to the power amplifier output.Specification:Item Type