Amazon.com: 4 Inch Bullet Tweeter Full Range Speaker 4 Ohm, 5~15 Watt HiFi Tweeter Midrange Bass Integrated for Vocals Home Stereo Surround Sound Theater, 61Hz-18.5KHz Frequency Response 88dB : Electronics
Neodymium Audio Tweeter Speaker | 3 Inch Treble Tweeter Speaker - 2pcs 3 Inch Audio - Aliexpress