Akozon VU Meter, 2 Pcs VU Panel Meter Warm Back Light Recording + Audio Level Amp with Driver Board

[Installation size]: The pile rectifier bridge filter circuit design, can be a transformer or a DC power supply, power supply voltage 12-15V / 300mA. Installation dimensions: outer frame is 67.4MM * 56MM, screw hole installation size: 57MM * 50.5MM, Screws suitable for M3 screws [Adjustable]: Adjustable level swings, can be compatible with all different types of table headboard, two 500 ohm blue potentiometers on the board can adjust the sensitivity of the two headboards separately, turn clockwise to increase the sensitivity [Durable use]: Inverter source can be connected to the input of the amplifier or the output of the audio amplifier, without changing the original circuits. The light effect is brighter and more uniform, which leads to a longer service life, the recommended working voltage is 10V [Two power supplies]: Supports the two-level meter backlight power supply, change the current limiting resistor, can be connected to a different backlight, operating voltage: 6-12V AC or DC [Two outputs]: the driver board supports two output connection terminals, the backlight is an incandescent bulb, the middle two lugs are for measurement, the lead on the right is positive, the left is negative, and the two backlit outer shorter ears, Weight: 0.1763698096 pounds, Manufacturer: Akozon