15inch plastic fullrange speaker box,
PC plastic cabinets are active with advanced electro-acoustic digital management with hi-quality speaker,
Suitable for conferencing room, multi-purpose hall, and small & medium-sized professional sound projects.
Two-way full range initiative loudspeaker 15inch woofer*3inch vocie coil + 44mm titanium diaphranm driver                                                                       
Impedance:8ohms 
Power rating:500watts,
Sensitivity:103dB/m/w                                                                           
Speaial function:USB/SD/fm audio and LCD screen