Model - TEV TA-780, Type - Portable PA System, Frequency (Hz - KHz) - 60Hz-20KHz +- 3dB, Input Interface - XLR & 1/4 (6.3mm) Combo Input and RCA Line Input, Output Interface - 1/4 (6.3mm) Double Power Output and RCA Line Output, Battery - 12V / 5Ah x 2 / Lithium Battery 12V /7.8Ah x 2, Feature - Light Weight Case Easy Operating, High Power Output Low Energy Consumption, Double Power Out-put, connect with the passive speaker by cable, the power will be doubled, Smart Power Charging circuit, Others - Color: Black, Power Output: Max 280W, T.H.D.: less than 0.5%, Echo: Echo effect control, Speaker: 10` full range speaker + Tweeter Horn, Power Supply: Switching Power (100V-120V / 200V-250V), Battery Power Indicator: 4 stage LED Indicator for the battery power, Receiver Module: PLL Synthesized, TR-332 UHF 32CH or TR-316 UHF 16CH, Wireless Mic: Handheld, Lavalier, Headset, Wired Mic: TEV systems or other compatible brand, Specialty - New Design Shape, Double Power Out-Put, LED Ring to indicate the batterys life for microphone, Religious activities, Indoors/ outdoors events, Dimensions (WxHxD) - 340 x 330 x 545mm, Weight - 13.5Kg, Warranty - 1 year