Product description：

Model 3370Z-4 ohm Cable length: 380mm Product Type Speaker Overall dimensions length*width*thickness Type Electric (moving coil) Use Receiver (small) Shape rectangle Composition method Coaxial composite Diaphragm material paper Magnetic circuit form internal magnetic type Frequency characteristics Full frequency band (full range) Rated power 5 (W) Rated impedance 4 (Ω) Frequency response 20-30000 (kHz) Waterproof rating Directivity NS Sensitivity 110 (dB/W) Sex to noise ratio 99.99 (dB) Harmonic distortion 0.001 (TMD%)