Product Description: Speaker Power Supply Adapter Charger DC 18V 1A Replacement Cord 5.5mmx2.5mm for LED Billboard, Game Console, Telephone - US Plug Enhance your electronic devices' performance with our reliable and efficient Speaker Power Supply Adapter Charger. Designed for versatility and safety, this adapter is perfect for a wide range of applications, ensuring your devices are powered up and ready to go. 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 externally and positive internally, making it compatible with a variety of devices. Plug and Play: Enjoy the convenience of a 93cm/37in cord length with a circlip for secure connections. The plug-and-play design ensures easy setup, while the lightweight and durable ABS material guarantees long-lasting use. Wide Applicability: This versatile speaker charger is suitable for a multitude of devices, including LED billboards, LED display screens, luminous characters, security and scientific research equipment, industrial control equipment, communication devices, electric power equipment, instruments and meters, semiconductor refrigeration and heating systems, 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 Protection and Security Guarantees: Our speaker power supply adapter charger is equipped with five essential protection features: over-temperature protection, short circuit protection, under-voltage protection, over-voltage protection, and over-current protection. These safeguards ensure the safety and longevity of your devices. Input and Output: The power supply supports a 50-60Hz AC input and delivers an 18V 1A 32W DC output. For optimal performance, it is recommended to use less than 80% of the full load capacity. Avoid overloading to maintain device integrity. Choose our Speaker Power Supply Adapter Charger for a dependable power solution that combines safety, versatility, and ease of use. Perfect for both home and professional environments, this adapter ensures your devices are always powered and protected.