Meinl Mb20 Heavy Soundwave Hi Hats. The Mb20 hihat models have been designed for loud music. They are slightly heavier than the usual hihats and are available in 14” and 15” soundwave versions which result in a powerful sound that’s dominant and cuts through any given volume. As always, all new Meinl cymbals ship for free. Visit the Meinl web site at www.MeinlCymbals.com for more information.