Thomann DP-31 Digital Piano Set The Thomann DP-31 WH Set will capture your attention the second you turn it on. This set includes the Thomann DP-31 WH digital piano that offers 220 sounds, 120 styles, 60 internal songs, 3 demo songs and 64 polyphony. It features sync start, and sync stop functions. The split mode function on this piano selects the most suitable octave settings for each tone and are applied automatically. This set also includes the t.bone HD 800 headphone that has an impedance of 32ohms. The frequency range of this headphone is 20 – 20000 Hz. For a comfortable seating, this set comes with a Thomann KB-15WHM bench. This bench has an adjustable height of 48 – 56