Bass Driver DI

Tech 21 Bass Driver DI power requirements

• 9V DC · centre negative · draws 6mA · needs a supply of at least 100mA

  also runs on a 9V battery · from the maker

  “Utilizes standard 9V alkaline battery (not included). … Power Consumption: approx. 6mA. … DC Power Supply Specifications: -9V DC regulated or unregulated, 100mA minimum; -2.1mm female plug, center negative (-).” source

  Checked 2026-10-14

Size

120.65 × 95.25 × 50.8 mm (4.75 × 3.75 × 2.00 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
• Voodoo Lab Pedal Power 3 Plus12 outputs · isolatedSweetwater
• Truetone 1 SPOT Pro CS1212 outputs · isolatedSweetwater
• MXR M238 ISO-Brick10 outputs · isolatedSweetwater
• Strymon Zuma9 outputs · isolatedSweetwater
• Voodoo Lab Pedal Power 38 outputs · isolatedSweetwater