Upgrade your power solutions with our Speaker Power Supply Adapter Charger, designed to deliver reliable performance and versatility for a wide range of devices. This adapter is perfect for those seeking a dependable power source for their electronic equipment. Size and Polarity: This DC power cord features a 5.5mm x 2.5mm DC plug, with an outer diameter of 5.5mm and an inner diameter of 2.5mm. The polarity is negative on the outside and positive on the inside, ensuring compatibility with various devices. Easy to Use: Designed for convenience, the speaker system charger power supply cord measures 93cm (37 inches) in length and includes a circlip for secure connections. Its plug-and-play design, combined with lightweight and durable ABS material, makes it easy to handle and long-lasting. Wide Applicability: This versatile speaker charger is suitable for a multitude of applications, including LED billboards, LED display screens, luminous characters, security systems, scientific research equipment, industrial control equipment, communication devices, electric power equipment, instruments and meters, semiconductor refrigeration and heating, air purifiers, electronic refrigerators, liquid crystal displays, LED lamps, mobile DVDs, TV boxes, wireless sound and video equipment, charging equipment, MP3 or MP4 players, small desk lamps, routers, switches, game consoles, color lights, digital controllers, and other household or portable equipment. Five Protecting and Security Guarantee: Safety is a priority with our speaker power supply adapter charger, which includes five essential protection features: over temperature protection, short circuit protection, under voltage protection, over voltage protection, and over current protection. These safeguards ensure secure and stable operation for all your electronic devices. Input and Output: The speaker power supply supports a 50-60Hz AC input and provides a 13.5V 1.5A DC output. For optimal performance, it is recommended to use less than 80% of the full load capacity. Avoid overloading to maintain the longevity and efficiency of the adapter. Choose our Speaker Power Supply Adapter Charger for a reliable, safe, and versatile power solution that enhances the performance of your electronic devices. Whether for home or professional use, this adapter is designed to meet your power needs with ease and efficiency.