professional mixer,MX802FXfrequency response:(±0.5 db)20 hz 20k hz noise(unweighted)>90 db channel separation>80 db parametric EQ hi:(±15 db/12k hz) parametric EQ mid::(±15 db/2.5k hz) parametric EQ low::(±15 db/80 hz) input impedance:40k Ω balance/20k Ω unbalance output impedance:200 Ω balance/100 Ω unbalance power supply: 220v/AC/50 hz power consumption: 20va product dimension:285x355x24/90 mm weight:4 kg