Featuring PI+AL composite diaphragm and folding technology, these 74mm tweeters deliver audiophile grade high frequencies with clarities and detail for true HiFi enthusiasts. With exact 74mm cutout dimensions, these aluminum panel tweeters seamlessly fit most speakers enclosures systems without requiring modifications. aluminum diaphragm and frame minimize resonance and distortion while maintaining lightweight properties for uncolored sound reproduction. Utilizing cutting edges folded diaphragm design for faster response and superior high frequency resolution compared to conventional dome tweeters. Perfect for enhancing home HiFi systems, speakers modifications, or desktop setups with wide frequency extension and natural instrument harmonics reproduction.