Bluetooth function
speaker-3.1ch (2 long, 1 short) puls subwoofer
on/off power switch
usb & sd mmc card input(mp3 player)
three small speaker
drive units: 6.5"*1+3"*3;6.5"=35w;3"=5w with fm
dimensions: 442(l)x373(w)x387(h)mm
inpedance: 8 ohms
total output power: 60w+20wx3
frequency response: 38hz-20khz
distortion: 0.3% at 1w
s/n: >75db
separation: >60db
has remote
on/off power switch x-bass
model: jiepak jp-c3