15" 2 way speaker box   
Woofer:2.5" VC,50 OZ magnet   
Tweeter:34mm(1.34") titanium driver   
Woofer Power:300 Watts RMS   
Sensitivity: 97+/-2 Db   
Frequency Response:45Hz---19KHz   
Crossover Frequency: 2.5KHz--3.0KHz
With 35mm speaker stand mount hole 

MD15  15"Passive speaker box
MD15A  15" Active speaker box 
MD15A-U 15" Active speaker box with MP3,USB,SD
MD15A-UBF 15" Active speaker box with MP3,USB,SD,Bluetootch,FM

Packing information

Outer carton:50*49.5*75.8cm
pcs/ctn:1 pc
N.W/G.W:16.5//18KG
CBM/Ctn:0.187
Pcs/20'FT/40'HQ:140PCS/350PCS