VU Meter 2PCS VU Panel Meter 500UA VU Meter Warm Back Light Recording & Audio +Cable with Driver Module,VU Meters

Features

• 1. In AC/ for DC 12-15V Power Supply for Transmission Plate. (recommended independent power transformer, or a separate winding power supply plate when not in use 45MA current backlight).
• 2. L, GND, R: This is the driver board The low-level signal input terminals for connections are CD players, computer sound cards, the first stage, and other audio source signal device, L, GND wiring , RW respectively: To the left, the right channel can be.
• 3. R1 and R2 are two adjustable resistors board driver can control the size of the swing hands.
• 4. The backlight DC12V power meter is used after the driver board backlight used for voltage regulator.
• 5. Note that the positive and negative for head interfaces.