Try the Aura Sound MR1 tweeter color gray-ish black featuring 1" silk-dome tweeters with a neodymium magnet system and dual-mono, two-way MRX passive crossovers. MR1 has a frequency response of 3kHz - 20kHz, is rated at 50W continous/120W peak power into 4 ohms, with a sensitivity rating of 87dB.