Danelectro DSR-1 Spring King Reverb Thick spring reverb Delivers just the right tone and warmth A kick pad to give an effect that sounds like a kicked amp Check the battery often and use the product with full charge, properly connected cables and connectors. A rich, thick spring reverb delivering "just the right tone and warmth." Battery: 1x9 Volt 006P. Battery is powered when cord in IN jack. Adaptor: 9 Volt, 300 MA Max A rich, thick spring reverb delivering "just the right tone and warmth."