Evans EQ4 Frosted Bass Drum Head, 20 Inch Hi Tech The flexible KNA UK-2 features

The flexible KNA UK-2 features a volume control

Familiar original DITTO 1-knob control and intuitive layout lets you concentrate on your playing

it accurately displays the battery charging status to ensure charging safety

You can connect up to three control voltages

Evans EQ4 Frosted Bass Drum Head, 20 Inch Hi Tech The flexible KNA UK-2 featuresEvans EQ4 series features a single ply of 10mil film. A fixed internal overtone control focuses the tonal response of the drum. The frosted surface provides a warmer tone. Features Made using a single ply 10mil film Made using a blend of unique materials to produce warm, full, and rich tones; for resonant or batter use A fixed internal overtone control focuses the tonal response of the drum; for resonant or batter use Bring out the best of a vintage