Features: Experience monitoring with our versatile Meter Driver Board, featuring 2 channel input suitable for 12-16V power and multiple sound sources like phones, computers, and amplifiers for clear visualization. This driver board offer flexible input configuration via switches for source/preamp adjustable backlight brightness and meter sensitivity control for each channel. Ideal for sound engineers and musicians seeking professional meter functionality to accurately monitor sound in studio equipment Perfectly integrates into home sound setups, recording studio mixers, or as a visual upgrade for amplifiers, providing real time, dynamic metering for both left and right sound channels during playback or mixing. Achieve optimal meter and tailored visual response by easily adjusting the jump intensity for each meter independently and backlight to matching your equipment's aesthetic. Specifications: Component:Plastic Type:B/A Working: 12V-18V Size: Approx.74x50mm/2.91x1.97inch Driver board output current: <50mA Package Includes: 1Pc Driver Board note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.