Outer Diameter 77mm round Paper Mask 4 Euro 3W Audio Speaker Multimedia Speaker

About Product:Brand: Chendong; Model: 77mm; Type: Electric (Moving Coil); Purpose: High Fidelity (Household); Shape: round; Composition: Combination Paper Basin; Diaphragm Material: Non-Paper; magnetic Circuit Form: Inner Magnet Type; Frequency Characteristics: Full Band (Full Range); Rated Power: 3(W); Rated Impedance: 4(Ω); Frequency Response: f0 ~ 20 (KHz); Directivity: Omnidirectivity; Sensitivity: 89±3 (DB/W); Sex Noise Ratio: 2 (DB); Harmonic Distortion: 3(TMD).