professional stage sound speaker with amplifier Professional active speaker Professional sound speaker power:550W

professional stage sound 

Product name:Professional Stage Sound System Equipment

Product model:SA-168B

Professional Stage Sound System Equipment

With amplifier

Professional active speaker

Professional sound

Power:550W

Rated Impedance:4Ohms-8Ohms

SNR:89 dB 

Sizes of Speakers: 3″+12"woofer

Frequency Response:40Hz-18KHz

Packing Size:580(L)×330(W)×535(H)mm

Loading Quantity:

20′(28m³):273pairs 40′(58m³):566pairs 40′HQ(68m³):664pairs

professional stage sound SA-168B