Power Supply Replacement for ELECTRO HARMONIX VOICE BOX VOCAL HARMONY MACHINE VOCODER ADAPTER 9V

9v 500mA Regulated, 2.1mm x 5.5mm, Centre Negative Polarity Power Supply Filtered for Zero Hum, Noise Free Operation Spring Mounted Tip for Secure Connection 2 Meter Rounded Thick Cable. Energy Efficient Designed for Musical Equipment