POWSEED [Tip Center Negative, Magnet Ring] Regulated DC 9V 1A Switching Replacement Power Adapter Supply Charger for Guitar Looper Pedals Mini Amp Compatible 9V 500mA Negative Tip design DC 9 Volts 1000mA replacement power adapter for Lots of 9V DC Looper Pedals Mini Amp and other compatible devices Input:110-240V, Output: 9V 1A; Made from durable material and with full protection of over voltages, over current, short circuits and over temperature [IMPORTANT] DC Tip Polarity: Inner Negative(-), Outer Positive(+); This is a tip Negative design Power adapter, please check your device required DC tip Polarity carefully. Any using problems, please contact us before returning Tip Dimension: 5.5x2.5mm, 5.5x2.1mm. This 2pcs tips are widely used in power devices. Compatible with Ditto guitar looper pedal, Honeytone mini amp, Boss Guitar Effects Pedals, Boss tuner pedal, DigiTech guitar effects pedal and more compatible models Package include: 1 x 9V 1000mA High Quality Wall Charger, 2 x Tips