Loudspeaker
a. high quality and excellent design
b. low harmonic distortion
c. central ventilation system

specifications:

1) Size: 12'' (paper cone)

2) Impedance: 4 ohm

3) RMS: 250w

4) Max power: 800w

5) Sensibility: 87dB

6) Frequency response: 42Hz-4.9K Hz

7) Fs: 43Hz (+/-10%)

8) Diameter of coil: 50.8mm

9) Coil materl: Kapton, cupper 

 James Sun: 0086-575-83185388