- Supplies synthesizers, effect devices, MIDI equipment and numerous other devices with power via USB port, power bank or USB power supply - 15 V DC - 0.6A (600mA) - Polarity: centre postive - Output: 5.5 mm barrel connector, 2.1 - 2.5 mm inside - Input: USB-A - Cable length: 145 cm EUR 21.00 - See more - Buy online