9V 3A DC Power Adapter Charger 27W 3000mA 2800mA 2500mA 2.2A 1.5A 1.2A 300mA Power Supply Cord for 9 Volt Speaker Musical Keyboard Guitar Pedal Electronics

9V
Adapter:
Input: AC 100V-110V-120V-240V 0.5A 50/60Hz
Output: DC 9V 3Amps also compatible 9V 0.5A 1.2A 1.5A 1.8A 2A 2.2A 2.4A 2.6A 2.8A 200mA 600mA 800mA 1600mA 2500mA 2700mA and more power adapter with ampere equal to or lower than 3A (3000mA).
Adapter Polarity: Inner Positive(+) Outer Negative(-).
Note: if your device is inner negative(-) please take the polarity reverse cable with itWith 5.5 * 2.1 mm dc plug and 6 interchangeable tips barrel jacks compatible with most of 9v household electronic devices. Work for Arduino Boards (UNO R3/ Elegoo UNO R3/ IEIK UNO R3 MEGA 2560 Duemilanove) Crosley Cruiser Portable Turntable Record Player Schwinn Proform Bike LED Strip Light Webcam Baby Monitor Security Camera Router Electronic Kitchen Scale and more 9V electronic devices. This universal ac adapter 9v features a reverse polarity cable ensuring you can power center negative devices such as guitar pedals piano key board.
Note: if your device is inner negative(-) please take the polarity reverse cable with itBuilt-in multiple security protection. Therere short-circuit protection overheating protection overvoltage protection overcurrent protection and surge protection.
You will get: 1 x 9V 3A Power Supply 6 x round connectors 1 x reverse poalrity cable 1 x user guide 12 month warranty