Features: Compact 36mm round double flange speakers with internal magnet design minimizes electromagnetic interferences, while rubber surround ensures warm midrange tones and durability for space constrained sound installations. Featuring symmetrical mounting ears for tool easy installation and a fully shielded internal magnet structure, this not paper cone speakers delivers distortion easy sound reproduction across 80Hz 15kHz frequency ranges. Ideal for sound enthusiasts, automotive sound systems upgraders, and electronics manufacturers requiring stable drive for PA systems, intercoms, or multimedia devices. Perfectly integrates into smart home hubs, car door speakers, commercial announcement systems, and portable speakers where electromagnetic compatibility matters. Engineered with high sensitivity voice coils (8Ω/4W), this 1.5" speakers achieves 89dB output efficiency for vocal reproduction and instrument without demanding large power amplifiers. Specifications: Component : not -paper Diameter: about 36MM/1.4inch rate power: 5W Frequency response: 260HZ-16KHZ Sensitivity: 80x2DB rate impedance: 4 ohms Magnetic circuit form: internal double magnet Package Includes: 1xMagnet speakers note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.