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VU Meter Driver Board Rectifier Filter Circuit for 12-15V Power Supply with Adjustable Level Swing Backlight Support Audio Amplifier

[Adjustable Level Swings] This vu meter is designed with adjustable level swings, making it compatible with all types of table headers. whether you're using it for recording or live sound, you can easily calibrate it to match your equipment. the adjustment ensures accurate audio level monitoring for optimal sound quality. [Versatile Power Supply Options] The vu meter features a bridge pile rectifier filter circuit design, allowing it to be powered by either a transformer or dc power supply. with a voltage range of 12-15v and 300ma, it offers flexibility for various setups. the stable power supply ensures reliable performance in both professional and home studio environments. [Easy Signal Source Connection] The drive signal source can be connected directly to the amplifier input or audio amplifier output without modifying the original circuitry. this plug-and-play feature saves time and effort, making it ideal for both beginners and professionals. enjoy seamless integration with your existing audio setup. [Dual Backlight Power Supply] The vu meter supports two level meter backlight power supplies, allowing you to customize the lighting to suit your preferences. by changing the current limiting resistor, you can connect different backlight options. the warm incandescent bulbs provide a classic and stylish look while ensuring visibility in low-light conditions. [Dual Output Connection Terminals] The included driver board features two output connection terminals, enhancing its versatility for various audio setups. the compact design (6.8cm x 5.5cm) ensures easy installation while maintaining robust performance. perfect for studio recording, live sound, and audio projects.