Car home speaker modification

Name: Aluminum tweeter
Sensitivity: 99db
Magnetic circuit: Y30 magnet steel (70mmx12mm)
Frequency range: 2kHz-20kHz
Voice coil material and size KSV-25 core
Rated power: 30 W
Sound film: special aluminum-magnesium alloy for super tweeter
Peak power: 150 W
Impedance: 4 ohm

Outer diameter size: outer circle 97mm, total height 47mm