EMP Professional EBK47 1400W Karaoke Echo Power Mixing Amplifier DSP effect/USB/SD/MP3/WMA Player

Built-in Karaoke USB/SD player. | Built-in echo effect. | Built-in DSP effect,double main volume control | Unique design and better sound | Low noise / Low distortion / High power output Amplifier Output power(4Ω):L 300W+R300W | Mic input sensitivity:10m - V, | External device sensitivity:200m - V, | S/N ratio:≥80d - B | T.H.D:0.1% Frequency band:25Hz~20KHz | Mic.tone adjustment:LOW:80Hz±15d - B | Mic.tone adjustment:MID:3.5KHz±12d - B | Mic.tone adjustment:HI:12KHz±15d - B Echo.tone adjustment:LOW:80Hz±15d - B | Echo.tone adjustment:HI:12KHz±15d - B | Music.tone adjustment:LOW:100Hz±15d - B | Music.tone adjustment:MID:1KHz±12d - B Music.tone adjustment:HI:10KHz±15d - B 15:Power source:100V/60Hz