The offset ported Black Regulator RSM is a single ply, resonant bass drumhead that features a small, center-positioned, "Floating Muffling Ring " for added resonant control. This patented Aquarian innovation eliminates the need for external muffling of the resonant head. This head is the perfect companion for any of the Super-Kick ™ bass drum series batter heads. The result is a bass drum that will tune-up and mic-up in seconds. The small 4.25” reinforced offset port makes for easy mic placement while retaining optimum resonance. All Regulator™ heads are available in both White and Black Video Gloss. Small Floating Muffle Ring for tone control 4.25" Reinforced Mic Port maintains resonance Black translucent reverse gloss finish

• Part of the Aquarian Regulator Series