2PCS 4ohm 3W Speaker Mini Full Frequency Stereo Sound Small Hifi Speakers Diameter 40mm High 20mm 1.5 inch Speakers
Model: diameter 40mm high 20mm Category: Electric (moving coil) Uses: Mini speaker, stereo Shape: round Composition: PU side black cap Diaphragm material: paper Magnetic form: the magnetic type Frequency characteristics: Full band (full range) Rated power: 3 (W) Rated Impedance: 4 (Ω) Frequency response: 0.20 ~ 20 (kHz) Sensitivity: 83 (dB / W) S / N ratio: 83 +/- 3 (dB) Harmonic distortion: ≤ 5 (TMD%)
package include: 2pcs