A 16VAC power adapter for use with Element, EL DAC, or EL Amp.
A 15VAC power adapter for use with all Objective2, Objective2+ODAC, OL DAC, and EL DAC amplifiers and DACs.
The US model accepts 110-120VAC, 50-60Hz input. The EU, AU, and UK models accept 220-240VAC, 50Hz input.