... Mic input,Professional Digital OK. with level meter kinter-017 bass amplifier High quality RCA input/output socket ,two way ... Mic input,Professional Digital OKPower switch LED displayTreble,Bass,Volume control ,mic echo controlTechnical parameter Total harmonic distortion0.4 ... Response2918KHzdistortion0.1(1KHz)Output PowerRMS 20W X 2CH 220v ac INPUTSupply voltage220v/50Hzwith level meter