Novation 9 Volt DC External Power Supply (NOVPSU01) 9-Volt external power source Use with Novation Remote series controllers and X-Station Virtual Analog Synthesizers that can be powered through an external power supply Also compatible with older Novation models including Bass Station Keyboard, Bass Station Rack, Super Bass Station, D/Drum Station, A-Station Synthesizer and K-Station Synthesizer 3 x 2.4 x 3.75 inches Perfect DJ accessory