Genius Audio tweeter speakers have been specifically developed to offer the best performance as a tweeter car audio system, taking advantage of their good size in the ferrite magnet which provides a higher magnetic flux density, and at the same time generating a force of greater action in the moving coil, the GPRO-T09 is ideal for the use of open or internal environments, providing conditions of greater linearity and high SPL (sound pressure level), this speaker will give you a high sensitivity in medium frequencies, controlling at the same time, power, efficiency and high fidelity. With passion and purpose, we seek to deliver the perfect product for your lifestyle and to inspire your love for music and life, every day. Take advantage of the full capacity of your audio systems by upgrading to this Super Tweeter. Your Emotions, Our Technology making it the perfect addition to a pro-audio style system designed for crisp, loud audio 1" Pro Audio Titanium Super Bullet Tweeter 35 Watts RMS 150 Watts MAX Frequency Response: 4KHz-20KHz 4 Ohms 99dB 1"CCAW Voice Coil.