Fender Engine Room Lvl12 Power Supply 120VFender's Engine Room LVL 12 power supply is designed with players in mind. The twelve ground isolated power outputs deliver 9Vdc at 500mA power while two additional outputs provide switchable 9v, 12v, and 18v power options via a toggle switch. An additional IEC back outlet allows players to add an additional Fender Engine Room (LVL 5, LVL 8, or LVL 12) to your setup to power the biggest boards. A cable kit is included with: 6 x 2. 1mm barrel connector