For your consideration, a pair of plug-in play Fostex T90a super tweeters with bases also include Fostex R80B 100W 8 ohm L-pads Daytonaudio 5.5k-HPF-8crossovers Corossover specs these features the following parameters: Filter Type: High PassCrossover Frequency: 5,500 HzSlope / Topology: 12 dB per octave (Linkwitz-Riley)Impedance Compatibility: 8 ohmsPower Handling: 250 Watts RMSCapacitor Value: 1.8 µF poly capacitor in seriesInductor Value: 0.46 mH parallel inductorBoard Dimensions: 100 mm x 60 Please  review pictures and ask questions before bidding