General description The 1Pc 4Inch Audio Speaker is designed for sound systems, delivering powerful bass with a rated power of 15W. Its robust construction and quality materials ensure durability and excellent sound performance. Technical specifications Impedance: 4 ohms +/- 15% Rated power: 15W Sensitivity: 91dB Frequency range: 90-10kHz Drum paper: rubber side braided pots Weight: 390g Rated voltage: 7.75V Outside diameter: 104 x 104 x 52mm Magnet dimensions: Φ70 x 32 x 10mm Voice coil: Φ25.5mm aluminum film Material: ABS Other information Package Contents: 1 * Audio Portable Speaker Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3cm.