... active subwoofer3.Shock, out of your imagination4.Oval low frequency speaker make the bass sound quality more outstanding5. Mini, portable digital ... , iPod, iPhone, GPS, PSP, mobile phone, notebook computer, Hi-fi speaker,TF-card,U-disk.6.Perfect MID sound performance7.Strong ... ,Brand Package, OEM Package, Neutral Package, Paper Box, Plastic Box, Iron Box, Blister Package, Plastic Bag. Shippment: