Parameter configuration: 1. Frequency response :20-20KHz 2. N: 95 (dB) 3. Impedance :4-8 (Ω) 4. Supply Voltage :192-242 (V) 50 (Hz) 5. Power frequency: 50 (Hz) 6. Overall dimensions: 430X130 (mm) 7. Peak power: 300WX2 8.EQ regulation: with EQ adjustment 9. Inputs: 4 mic inputs, 2 stereo input group 10. Output: 1 set of stereo output, 1 speaker output 11. Mixer with 4 function Packing size: 500mm * 385mm * 215mm Weight: 7kg Other Description: Deluxe panel design, new color models. Professional toroidal transformer, high-capacity electrolytic capacitors. Four independent regulation microphone, professional reverb delay chip. E-Smart fan, full-function protection circuit Appearance of the models are subject to change without notice. Final delivery of products described in whichever order or contract.