product description:

KV-838 speaker: the new design of both PA professional style effect of the speaker, selected two control faster PA class 8 "bass, it is particularly suitable for more than 35m2 VIP room use, it not only achieved a professional karaoke OK Sound requirements, but also to achieve a strong PA dynamic performance!
With the perfect combination of 15-inch subwoofer, you will love the PA style of your best choice. (Horn appearance patent number: 200630056320.5)
Technical parameters:

System ···2 ways 4 speakers
Speaker ··· 20cm bass x2 ，7.7cm treble x2
Sensitivity (1w / 1m) ··· 91bB
Max input power ··· 400W
Frequency response ··· 50 - 20kHz
Impedance···8Ω
Weight ···14.5 kg per piece