Genius Audio subwoofer active speakers transducers have been specifically developed to offer the best performance as a woofer 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 N2-M8D4 active subwoofer is ideal for the use of open or internal environments, providing conditions of greater linearity and high SPL (sound pressure level), this loudspeaker 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. The perfect element to complete your speaker, horn driver, and super tweeter set. Your Emotions, Our Technology making it the perfect addition to a pro-audio style system designed for crisp, loud audio 6.5" Pro Audio Subwoofer 500 Watts RMS - 1000 Watts MAX Frequency Response: 60.05Hz - 300Hz 4 Ohms 88.9dB Steel Basket Polypropylene Dust Cap Cover Ferrite Y30 Magnet 2" 4 layer Copper Wire Voice Coil.