Feature:1. Adopt professional audio VU drive IC, which contains root dynamic compression circuit, effectively avoiding small signal pointer, large signal, the phenomenon of pointer rendering.2. IC with mute function, mute function feet will get a low level when you turn it on, avoiding pointer overload.3. Use AC12V power to supply circuit, more convenient to use.4. Use double-sided circuit board, ensuring the fastness of wire terminals, with firm bonding pad, not easy to loose.5. Driver board with beautiful and reasonable layout, no any interference and self-excitation phenomenon.Specification:Item Type: Stereo VU Meter Driver BoardRated Voltage: AC 12VPCB Size: 55x66mm / 2.17x2.6in Mounting Hole Diameter: 3mmHole Pitch: 50x56mm / 1.97x2.2in.Package List:1 x Stereo VU Meter Driver Board