Feature:

 Loudhailer diameter: 40mm
Sensitivity: 126dB +/ - 3dB at 1khz
Impedances: 32Ohm + - 15%
Frequence range: 20HZ ~ 20K HZ
Max input power: 50mW
Directivity:Cardioid
Sensitivity: - 54dB + - 3dB Microphone impedamce:1.8KOhm
Cable length: approx.3.1M
Input plug: USB+3.5MM

By sea / air / TNT/DHL/UPS/Fedex

1:We provide 1~3 year guarantee time. If the item is defective, please notify us within 3 days of delivery.
2:All items must be returned in their original condition, in order to qualify a refund or a replacement.
3:Shipping fee and insurance is not refundable.
4:Goods returned after 7 days of delivery are only eligible for repair.
5:The shipping costs incurred is of the customer's account.

Certificates:

Our customers: