Idiopan Dominus 14" Tunable Steel Tongue DrumsEach Idiopan comes with a pair of mallets and display ring. It has an optional piezo pickup with standard 1 4" jack. Select the "With Pickup" option to see pricing. The Idiopan Dominus 14" Tunable Steel Tongue Drum comes tuned to G Major pentatonic (E3 G3 A3 B3 D4 E4 G4 A4 B4 D5). The Dominus is the male voice of the Opus series with warm deep bass tones and crisp highs tunable in 4 different octaves and 432Hz. Here is a list of scales that are easy