Genius Audio Professional Compression Drivers have been specifically developed to offer the best performance as a car audio frequency driver, taking advantage of their good size in the ferrite magnet provides a higher magnetic flux density, and at the same time generating a force of greater action in the moving coil, the GPRO-01D51 is ideal for the use of open or internal environments, providing conditions of greater linearity and high SPL (Sound Pressure Level), this driver 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. Your Emotions, Our Technology making it the perfect addition to a pro-audio style system designed for crisp, loud audio 2" Pro Car Audio Driver 60 Watts RMS - 300 Watts MAX 2" Exit Bolt-on Frequency Response: 1KHz - 18KHz 8 Ohms 109dB Titanium Diaphragm Ferrite Y35 Magnet 2" Copper Wire Voice Coil.