Nakamichi NS-QT65 is a 25.5mm KSV Tweeter System that offers high-quality audio performance for your car. With an N-Power of 20W and a peak power of 200W, this speaker system delivers dynamic and powerful sound. The impedance of 3Ω ensures compatibility with most car audio systems, while the sensitivity of 89dB+3dB provides excellent sound reproduction. The frequency range of 270Hz to 20KHz covers a wide range of audio frequencies, ensuring accurate and detailed sound. The compact dimensions of 70mmx70mmx49mm make it easy to install in a variety of locations within your vehicle.