Feature: 1. Premium Material: This VU meter driver board is made of premium fiberglass ABS material, the driver board parts are finely manufactured and durable for long term use. 2. High Accuracy: Professional manufacturing, exquisite craftsmanship, to create high accuracy, help to provide the best performance. 3. Stable Performance: Make the VU meter head has better effect, the needle swings quickly, the response is sensitive, the wide range voltage regulator circuit, and the working performance is more stable. 4. High Frequency and Low Access: This driver board supports high frequency and low access, with adjustable light and dark backlight, intelligent drive, and the use effect is very good. 5. Replacement Parts: This VU meter driver board can be replaced when the original driver board of the VU meter is damaged, instead of replacing the entire meter, which is convenient and fast. Specification: Item Type: VU Meter Driver Board Material: Glass Fiber, ABS Gross Weight: 40g / 1.4oz Product Size: Approx.74 x 50mm / 2.9 x 2.0in Working Voltage: DC AC 12V-18V Backlight Power Output: 200mA (automatically adjust the output voltage according to the backlight voltage of VU meter) Model Input: ≤5V rms Tungsten Lamp Backlight Voltage: Automatically adjusts the output voltage according to the backlight voltage of the VU meter LED Backlight Voltage: Automatically adjusts the output voltage according to the backlight voltage of the VU meter Driver Board Output Current: <50mA Meter Head Calibration Function: Supported. Package List: 1 x Level Meter Driver Board6 x Flex Cable1 x Audio Cable1 x Manual