January 6, 2014 Paul Butski introduces the Powermuff Elite Quad, which has 9x amplification with the ability to cut off sound after a certain decibel to protect your hearing. It also has nano-coating to protect it from the elements. Share this video: Share this on Facebook (opens in new window) Share this on Twitter (opens in new window) Post a Comment Login with FacebookLogin with Google Login To Account Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Δ