I used this to replace a blown tweeter in an ALESIS STRIKE AMP Monitor, It sounds pretty good and I was happy for the price on it.... I have blown 2 tweeters in this since Ive had it, the original and then the DS18 (Images attached), the highs are not of the same quality but that can be adjusted in Superior Drummer 3 software that I use and sounds fairly good, It is a piezo (flat disc with 2 wires originally used for mic's) don't have to worry about blowing a speaker cone anyway haha.... It was a good solution for me. I have tons of piezo disk cuz I'm constantly repairing my drumpads. So... if anything ever happens to this I still have the housing unit and Ill just slap in another piezo and done ;)

Fits just like the factory horn. Sounds great.

Got some pro studio speakers from and auction. Found that both 15” horn tweeter piezo elements were bad. These fit exactly in the rear of the horns. I just swapped the piezo elements . Even the hole patterns were the same. Happy to have highs again.