We are Top 5 Famous audio brand 17years OEM Supplier ,Fully automatic assembly line Factory Product Description Features: 1: Plug play U disk, FM radio, wireless remote control 150W 2: Three microphone inputs. Two auxiliary inputs, and one auxiliary outputs for link. 3: Transformer isolated 100V, 70V and 4-16 Ohms speaker outputs. 4: A five element LED level meter is provided for quick and easy visual monitoring of the sound level 5: Muting function. 6: Individual volume control, low and high tone control 7: Short circuit protection & alarm 8: Individual distributor for 4 channel 9: Series amplifiers of high output power available. Model PA-60 PA-100 PA-150 PA-200 Rated power 60W 100W 150W 200W Line voltage 70-100V 70-100V 70-100V 70-100V Lmpedance 4-16&Omega; 4-16&Omega; 4-16&Omega; 4-16&Omega; Dimension 485*360*90 485*360*90 485*360*90 485*395*90 GW(kg) 9 10 11 12.5 Model PA-280 PA-380 PA-480 PA-680 PA-880 Line voltage 70-100V 70-100V 70-100V 70-100V 70-100V Sensitivity 230mv\15mv 230mv\15mv 230mv\15mv 230mv\15mv 230mv\15mv Sensitivity > 80db > 80db > 80db > 80db > 80db Harmonic distortion < 0.3 % < 0.3 % < 0.3 % < 0.3 % < 0.3 % zone 6 6 6 6 6 FREQ. RESP 20Hz-20KHz 20Hz-20KHz 20Hz-20KHz 20Hz-20KHz 20Hz-20KHz Rated power 280W 380W 480W 680W 880W Fuse F5AL F5AL F8AL F8AL F10AL GW(kg) 15 16.5 18 21 22