30 Segments 66mm LED VU Meter Module With Peak Hold Audio Level Display Power Amplifier
Vu LED bargraph meter modules can accept and interpret audio signal and programme signal which is transmitted by lines and generate audio level for display. The module can achieve vu volume meter¡¯s bar display, bar display with peak-hold, dot display and dot display with peak-hold by keyboard. Sensitivity of transmission channel can be adjusted by the parts on module, so display¡¯s dynamic range can be adjusted easily.