Model:WSP-128
Features:

--P.M.P.O:280W
--Frequency response: 88Hz-20KHz
--S/N >50dB
--Inner box: 20.6x10.0x19.0cm
--Carton box: 84.0x21.9x40.3cm, 16 sets per carton
--CTN N/G.W.: 13/14kg