PW-3 Wah Pedal

Boss PW-3 Wah Pedal power requirements

• 9V DC · polarity not stated · draws 25mA

  also runs on a 9V battery · from the maker

  “Power Supply Alkaline battery (9 V, 6LR61) or Carbon-zinc battery (9 V, 6F22) AC adaptor (PSA series: sold separately) Current Draw 25 mA” source

  Checked 2026-10-13

Size

80 × 192 × 74 mm (3.15 × 7.56 × 2.91 in)

Width × depth × height, from the manufacturer.

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