ROCKCABLE 2,1 x 5,5 mm Female - 2,1 x 5,5 mm Male Polarity Inverter Cable

For powering effect units
Flat space saving design
From 2.1 x 5.5 mm male female connector (negative) inside to 2.1 x 5.5 mm female (positive) male connector
Exchanges polarity of inner conductor (negative) to inner conductor (positive)
Suitable for effect devices with power supply sockets with positive polarity inside