Features: Experience superior sound quality with our 4inch round horn tweeter speaker featuring piezoelectric ceramic driver, delivering impressive impedance of 4-8ohms and power ranges of 75-150W for clear sound. With copper wire and voltages boosting capabilities, this speaker ensures enhances volumes, improved sound quality, and robusts voltages resistance, making it for any music setups. Suitable for audiophiles, music enthusiasts, and anyone seekings to elevates their music experience, this speaker caters to all who appreciate quality sound. Perfect for home theaters, car music systems, or portable sound setups, this speaker adapts seamlessly to various environment, providing exceptional sound performances wherever you need it. Crafted from durability ABS material, this speaker not only promises longevities but also delivers a consistent frequency response ranges of 2.4-27KHZ, ensuring every note is heard with precise and claritys Specifications: Component:ABS Color:Black Size:Approx.106x78mm/4.17x3.07inch Power:75-150W Impedance:4-8Ω Frequency Response:2.4-27KHZ With stand voltages: 12-18V (piezoelectric horn talks about with stand voltages, not power) Sound pressure: 98dB/1M Package Includes: 1pair 4inch Horn Tweeter note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.