20/20 Power Wah Volume

Morley 20/20 Power Wah Volume power requirements

• 9V DC · centre negative · draws 6mA · needs a supply of at least 300mA

  also runs on a 9V battery · from the retailer listing

  “Power: 9V Battery or 9VDC 300mA regulated (center negative) … Current Draw: 6 mA @ 9VDC” source

  Checked 2026-10-13

Size

114 × 174 × 70 mm (4.49 × 6.85 × 2.76 in)

Width × depth × height, from the retailer listing.

Power supplies that can run it

Each has an output that can power it, checked against its published figure. Plan the whole board to see what runs everything.

• Walrus Audio Canvas Power 1515 outputs · isolatedSweetwater
• Rockboard ISO Power Block V1615 outputs · isolatedSweetwater
• Fender Engine Room LVL1212 outputs · isolatedSweetwater
• Rockboard ISO Power Block V12 IEC12 outputs · isolatedSweetwater
• Voodoo Lab Pedal Power 3 Plus12 outputs · isolatedSweetwater
• Truetone 1 SPOT Pro CS1111 outputs · isolatedSweetwater