Indicator Level Sound Board LED VU Meter Passive Circuit Component For Amplifier

Description

Indicator Level Sound Board LED VU Meter Passive Circuit Component For Amplifier
Brand Name: TKXEC
This is a Double pointer VU meters with drive boards
Working Voltage :AC 12V (recommended used separate power supply)
Audio Input :Low-level signal dual channel can  Connect to Phone MP3 ,PC ,
Notice: Can't connect to Amplifier Output
LEDadjust is for Red LED Opening conditions
Adjustable resistors VU1 and VU2 respectively control the beating amplitude of the two meters
Debugging method:
Method 1: Connect the power amplifier with the signal generator 1KHZ signal, adjust the volume of the power amplifier to the maximum, adjust the adjustable resistance, so that the meter pointer points to the 0 position
Method 2: No signal generator, you can use Android mobile phone to download the signal generator software, use the mobile phone to output 1KHZ signal to the power amplifier, adjust the power amplifier volume to the maximum, adjust the adjustable resistance, so that the meter pointer points to the 0 position
Package includes:
1x LED Sounds Meter Board