Boss · Modulation
MD-500 Modulation
9V · 225 mA · maker
Boss MD-500 Modulation power requirements
9V DC · polarity not stated · draws 225mA
digital · from the maker
“Power Supply Alkaline battery (AA, LR6) x 4, AC adaptor (sold separately) Current Draw 225 mA” source
Voltage: “PSA-120S … Input Voltage AC 117 V (50Hz/60Hz) Output Voltage DC 9 V Maximum Current Output 500 mA” source
Checked 2026-10-14
Size
170 × 138 × 62 mm (6.69 × 5.43 × 2.44 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
- Voodoo Lab Pedal Power 3 Plus12 outputs · isolatedSweetwater
- Gator GTR-PWR-1211 outputs · isolatedSweetwater
- Walrus Audio Canvas Power HP+10 outputs · isolatedSweetwater