The Yamaha YDSP-1 is a digital sound field processor designed to enhance car audio by simulating live concert hall acoustics. It features preset DSP programs, adjustable parameters for creating original programs, and selectable acoustic modes tailored for vehicle interiors.
Installation involves mounting the main unit under a seat or in the trunk using provided hardware, while the commander unit is attached to the dashboard via adhesive fasteners or inserted into a DIN-sized hollowed space.
Before installation, you must remove the ground cable from the negative terminal of the car battery to prevent accidental short-circuits.
Try to eliminate the problem by relocating either the product or the affected device, or by utilizing power outlets on different branch circuits.