Features: The XHA954 Sound Control Module features a high precise potentiometer for smooth and precise adjustment, along with an integrated knob for effortless device operate. Engineered with premium PCB and metal for enhanced durability and wear resistance, this amplifier module includes rigorously tested dedicated connection cables to ensures stable signals transmission with minimal interferences. Ideal for enthusiasts, electronics hobbyists, and professional sound technicians seeking reliability components for customs sound systems builds or equipment repairs. Perfectly suited for integration into home theater setups, automotive sound systems, professional sound equipment racks, and various compact electronic applications due to its streamlined form factor. This versatile sound control board delivers consistent performances across diverse environments, prolonging its service life through robust construction and optimized circuit design. Specifications: Component: PCB, metal Size:Approx.35.5x26mm/1.39x1.02inch Hole Spacing:26mm Option Type:1pc,3pcs; Applicable scenarios:Home sound systems,sound projects,Car sound modification; Package Includes: Package A 1pc Sound Control Board 1pc Connecting Cable Package A 3pc Sound Control Board 3pc Connecting Cable note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.