All devices in the Omega Series use the same format of power supply:

• 4.7 to 18 Volts
• 5.5mm outside, 2.1mm inside barrel connector
• positive tip
• Enough Amps to produce 10 Watts - calculated by using Watts = Volts x Amps

Power supplies with these specifications can be found at any electronics retailer that sells power supplies.

Example Power Supply: https://www.digikey.com/product-detail/en/phihong-usa/AA10A-050A-R/993-AA10A-050A-R-ND/11203820