Check the listing for details. Emperor SMT Clear Bass Drum Head, 24". Condition: Open box. Listed at 58.43 USD. #html-body [data-pb-style=UC7V8IC]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}The Emperor SMT Clear bass drumhead is a pre-muffled design featuring Sub Muffl Technology. It is constructed with 2-plies of 7-mil and 5-mil Clear film, and an externally mounted dampening profile with free-floating acoustic foam. It enables the head and drum shell to maintain full sound characteristics with additional attack and low-end frequencies. SMT technology allows a broad tonal spectrum of tuning ranges with controlled high and mid frequencies coupled with deep, powerful low tones. It is a new industry standard and one of the market's most musical and versatile pre-muffled bass.