Power Acoustik NB-2 200-Watt 3-Way Tweeters Go to amazon.com Related posts The 10 best tweeter marine for 2022 FeatureNiobium rare earth ferroelectric transducer magnetPolypropylene diaphragm100 watts R.M.S20W, 10W RmsImp: 4, Spl: 97 DbFreq Resp: 5 Hz2 Khz DescriptionNiobium rare earth ferroelectric transducer magnet. Polypropylene diaphragm. 100 Watts R.M.S. Freq. Resp. 5Khz to 25Khz. Surface/angle mount/flush mount.