• With FM/USB/SD play function, without wireless
• Input: 3 wired microphone inputs and one aux input
• Output: one aux output
• With DC8.4V  rechargeable battery charger
• Built-in one DC12V  7Ah rechargeable battery
• RMS: 30W (maximum)
• Speaker: one 4Ω full range 8-inch speaker and 1.5” horn
• THD: <1%
• Dimensions: 310 x 225 x 390mm
• Gross weight: 10.3kgs