• brand name: djack
• color:black
• power output::60 watts
• function: bluetooth
• support: fm/usb/sd
• input/usb/sd/mmc/dvd/pc/mp3/mobile phone
• mute included
• on/off power switch speaker
• drive units:6.5" ×1+3" ×3
• impendance:4 amps
• weight: 7.1kg
• selected to adjust
• distortion: 0.3% at 1 watt
• s/n>70db
• frequency response: 38hz~20khz
• dimensions:37.5(l)*35.5(w)*33(h)cm
• voltage: ac220-240v 50/60hz function as