LED Music Audio Spectrum Indicator Dual Channel Stereo VU Meter Volume Level Display Module B Port

LED Music Audio Spectrum Indicator Dual Channel Stereo VU Meter Volume Level Display Module B Port

Description:
1. The VU audio display level meter module can receive analog audio and program signals transmitted by the line, and generate the required audio power and then turn to the column display. The module has a wide impedance matching band and can be widely used for the volume level display of the audio system equipment output of the audio system, the output of the mixer, the output of the program signal transmitted by the line, the audio amplifier, the karaoke device and the output of the power amplifier.
2. The power consumption of the module is low, and the light column can be displayed in red, green, yellow and other colors, or more than two colors can be selected to display each incremental area and rich program visual effects.

Specification:
Input impedance: 3KΩ
Input range: -38dB ~ +10dB
Frequency amplitude: ±0.5vu (315Hz-16KHz)
Sensitivity adjustment range: 3vu
Peak hold time: 2s
Peak return time: 3s
Effective display segment number: 2 × 12 segments
Light column display length: 27.9mm
Light beam display width: 4.7mm
Segment spacing: 2.54mm
Power supply (non-isolated): DC 5V ±10%
Typical power consumption: 300mW (full scale)
Operating environment: -30 ~ 60℃ & < 85% RH

Features:
1. The product is a dual-channel stereo display.
2. There is a peak hold display after the 5th segment of the light column, which can be turned on or off by an external switch.
3. The module has adjustment parts, adjust the sensitivity and balance of the two channels through the potentiometers W1 and W2 on the board.
4. With power-on mute function, it can eliminate the impact of power-on current impact on the display.

Port:
Black: PS(-) --power input -
Blue: Rin--R audio input
Yellow: Lin--L audio input
Red: PS(+) --power input +
White: PH--peak hold

Package List:
1 x Spectrum Indicator