MD-500: Power Supply
The following is the recommended Power Supply Adapter for the MD-500.
BOSS PSA-120S: http://www.bossus.com/products/psa_series/
MD-500 Specs: https://www.boss.info/us/products/md-500/specifications/
Recommended Power Supplies:
Dry Alkaline Batteries: (AA, LR6) x 4
AC Adaptor: BOSS PSA-120S
MD-500 CURRENT DRAW: 250mA
CAUTION: The use of any other power adapter may cause malfunction and/or damage to the product and if using a third party other brand power supply we can't guarantee proper device functionality.