Tip Negative, Sleeve Positive Design The output port adopts the tuning fork groove plug for better connection and stable power transmission. Please carefully check your device's required polarity and connector size before purchasing. Battery-Free Performance You wont need to worry about dead batteries in your pedalboard ruining your performance when using a DC 9-Volt Power Adaptor. You can ensure consistent, battery-free performance when you directly power it. Specifications: Output: 9V DC, 1A (1000mA) Wide World Voltage Input: AC 100V-240V, 50/60Hz, 0.3A Max MaxRated Power: 9 Watts Barrel Size: 5.5*2.1mm Polarity: Tip-negative, Sleeve-positive Efficiency Level: Class VI Cord Length: 4.92ft / 150cm Item Weight: 75g / 0.
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