Introducing the RDCARSHOW RD-111S Heavy Duty Competition Tweeter, designed for extreme sound enthusiasts. With a maximum power output of 500W and a frequency range of 2KHz-20KHz, this tweeter delivers exceptional clarity and detail to your music. Its sensitivity of 100dB and 8 ohm nominal impedance ensures that it produces the loudest sound possible without any distortion. This model features a 4in. speaker size and a titanium diaphragm, with voice coil material made of CCAW and a voice coil diameter of 37.6mm (1.5 in). Its RMS power of 250W makes it perfect for car audio systems that require high power handling. Ideal for car speakers and speaker systems, this tweeter is a must-have for any car audio enthusiast looking for superior sound quality.